Entries |
Document | Title | Date |
20080212158 | ELECTROMECHANICAL DYNAMIC FORCE PROFILE ARTICULATING MECHANISM - An electromechanical dynamic force profile articulating mechanism for recovering or emulating true parallel plate capacitor actuation behaviors from deformable membranes used in MEMS systems. The curved deformation of flexible membranes causes their MEMS behavior to deviate from known interactions between rigid plates that maintain geometric parallelism during ponderomotive actuation. The present invention teaches three methods for reacquiring parallel plate behavior: superaddition or in situ integration of a rigid region within or upon the deformable MEMS membrane; creation of isodyne regions to secure parallelism by altering the force profile upon the membrane by introducing tuned and shaped voids within the conductive region associated with the membrane; and a hybrid composite approach wherein the conductive region is deposited after deposition of a raised rigid zone, thereby emulating isodyne behavior due to the increased inter-conductor distance in the vicinity of the rigid zone, in conjunction with rigidity benefits stemming directly from said zone. | 09-04-2008 |
20090034046 | BLADE ACTUATING APPARATUS FOR OPTICAL INSTRUMENTS - A base plate is provided with four guide pins and a rotor has four output pins so that each of four blades is provided with a plurality of slots. Individual slots provided to the blades are selectively fitted to the four guide pins and the four output pins so that when the rotor is reciprocated and rotated, the blades are capable of continuously changing the size of an aperture by cooperation of their aperture forming edges while maintaining a regular octagon. | 02-05-2009 |
20090109514 | DYNAMIC APERTURE DEVICE AND PROJECTOR WITH THE SAME - A dynamic aperture device includes a motor, a light shielding element and a balancer. The motor has a shaft. The light shielding element has a light shielding portion and a hub connected to the light shielding portion. The hub is coupled to the shaft. The balancer is disposed on the light shielding element, the hub or the shaft. | 04-30-2009 |
20090128880 | LIGHT CONTROLLING APPARATUS - In a light controlling apparatus including a substrate in which an aperture is formed, a light controlling unit in which, another aperture is formed, and a ion conducting actuator as a driving source, the aperture formed in the substrate and the aperture formed in the light controlling unit are switched by moving the light controlling unit to a first stationary position which overlaps with a position of the aperture formed in the substrate, and a second stationary position which is a position retracted from the position of the aperture formed in the substrate, by changing a shape of the ion conducting actuator by supplying an electric power to the ion conducting actuator. The light controlling apparatus further includes a magnet, and when the light controlling unit has moved to one of the first stationary position and the second stationary position, the power supply to the ion conducting actuator is stopped, and by a magnetic force of the magnet, the light controlling unit is held at one of the first stationary position and the second stationary position. | 05-21-2009 |
20090141330 | ELECTRO-OPTICAL DISPLAY DEVICE AND ELECTRONIC DEVICE - An electro-optical display device comprises: an active matrix unit including a substrate having one surface and the other surface and a plurality of switching elements provided on the one surface of the substrate; a shutter unit provided on the active matrix unit, and a first microlens array provided on the other surface of the substrate of the active matrix unit, the first microlens array having a plurality of microlenses formed on the other surface of the substrate in a corresponding relationship with the plurality of window portions. The shutter unit is comprised of: a base provided so as to oppose the one surface of the substrate, the base having a plurality of window portions provided in a corresponding relationship with the plurality of switching elements; movable plates provided above the plurality of window portions so as to be displaceable relative to the base, the movable plates opening and closing the plurality of window portions to obtain an opening state and a closing state of each of the plurality of window portions; and driving means for displacing the movable plates and switching the opening state and the closing state of each of the plurality of window portions. The electro-optical display device is capable of using light with increased utilization efficiency and displaying a high quality image, while exhibiting enhanced reliability. Further, an electronic device provided with the electro-optical display device is also provided. | 06-04-2009 |
20090147340 | Lens shutter and aperture control devices - The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to provide shutter and/or aperture control. | 06-11-2009 |
20090195851 | Magnet rotor, electromagnetic drive device and light quantity adjustment device using the magnet rotor - A magnet rotor includes a drive arm with a rotary shaft, and an anisotropic permanent magnet having an axis of magnetization. The drive arm is composed of a light transmitting resin. The magnet has a cylindrical shape with a hollow center portion through which the rotary shaft is disposed. The drive arm and the permanent magnet are bonded together by a light curable resin adhesive. | 08-06-2009 |
20090244678 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption. | 10-01-2009 |
20090251757 | SHUTTER DEVICE AND DRIVE METHOD - The present invention provides a shutter apparatus and a drive method for the same, the shutter apparatus having functions of both a shutter apparatus for an image interception and a shutter apparatus for an aperture adjustment and being space-saving and low in costs. Within an illumination casing are provided first and second shading plates | 10-08-2009 |
20090296184 | Illumination Obscurement Device - An illumination obscurement device for controlling the obscurement of illumination from a light source which is optimized for use with a rectangular, arrayed, selective reflection device. In a preferred embodiment, a rotatable shutter with three positions is placed between a light source and a DMD. The first position of the shutter is a mask, preferably an out of focus circle. This out of focus circle creates a circular mask and changes any unwanted dim reflection to a circular shape. The second position of the shutter is completely open, allowing substantially all the light to pass. The third position of the shutter is completely closed, blocking substantially all the light from passing. By controlling the penumbra illumination surrounding the desired illumination, DMDs can be used in illumination devices without creating undesirable rectangular penumbras. | 12-03-2009 |
20100027094 | LIGHT CONTROLLING APPARATUS, CONTROL UNIT OF LIGHT CONTROLLING APPARATUS, AND METHOD OF DRIVING LIGHT CONTROLLING APPARATUS - A method of driving light controlling apparatus which includes a substrate, which has an aperture, a plurality of incident-light controlling unit which are displaced on the substrate, a plurality of driving unit which exert on the incident-light controlling unit, an aperture-displacing driving force which displaces the incident-light controlling unit to an aperture position, and a retracting-displacement driving force which displaces the incident-light controlling unit to a retracted position which is different from the aperture position, and in which, the incident-light controlling unit is displaced by the driving unit to the aperture position and the retracted position alternately, and incident light passing through the aperture is adjusted, and the displacement of each incident-light controlling unit to the aperture position is exclusive for the other incident-light controlling unit, includes a step of displacing the incident-light controlling unit, which includes a step of displacing a first incident-light controlling unit disposed at the aperture position, to the retracted position, and a step of displacing a second incident-light controlling unit disposed at the retracted position, to the aperture position, after completion of the step of displacing the first incident-light controlling unit to the retracted position. | 02-04-2010 |
20100110518 | MEMS ANCHORS - The invention relates to an improved apparatus and method for the design and manufacture of MEMS anchoring structures for light modulators in order to address the stresses of beams mounted on them. | 05-06-2010 |
20100118373 | MICRO SHUTTER DEVICE AND METHOD OF MANUFACTURING THE SAME - A micro shutter device and a method of manufacturing the same are provided. A barrier is provided to define a unit pixel. Film actuators are formed within the unit pixel. The film actuators are configured to be bent in opposite directions to each other from a substrate so that light passing through the substrate from an external light source is blocked in a voltage non-applied state, and to be straightened perpendicularly to the substrate so that the light is transmitted upon voltage application. Accordingly, it is possible to increase the aperture ratio and thus improve the light efficiency. Furthermore, it is possible to reduce voltage necessary to drive the film actuators and thus increase the drive speed. | 05-13-2010 |
20100142024 | MICRO SHUTTER DEVICE AND METHOD OF MANUFACTURING THE SAME - A micro shutter device and a method of manufacturing the micro shutter device are provided. A transparent substrate is provided. A barrier is formed on the substrate to partition a unit pixel. A pattern layer is formed with a transparent material to have a transparent first pattern portion on the substrate in the unit pixel. A movable plate is arranged to face the pattern layer, has an opaque second pattern layer corresponding to a shape of the first pattern portion, and is configured to transmit light therethrough except the second pattern portion. An actuator is for moving the movable plate. Therefore, light leakage due to diffraction can be prevented, resulting in increasing contrast ratio and improving light efficiency. | 06-10-2010 |
20100172007 | Low cost dynamic insulated glazing unit - An insulated glazing unit has controllable radiation transmittance. Peripheries of first and second glazing panes are attached and spaced apart facing each other and then attached to a supporting structure. A conductive layer is atop the first glazing pane inner surface as a fixed position electrode. A dielectric is atop the conductive layer. A coiled spiral roll, variable position electrode is between the first and second glazing panes, a width of its outer edge attached to the dielectric. A first electrical lead is connected to the variable position electrode's conductive layer. A second electrical lead is connected to the conductive layer atop the first glazing pane. Applied voltage between the first and second electrical leads creates a predetermined potential difference between the electrodes, and the variable position electrode unwinds and rolls out to at least partially cover the first glazing pane, at least reducing the intensity of passing radiation. | 07-08-2010 |
20100253992 | LIGHT ADJUSTING DEVICE - A light adjusting device includes a base plate having an aperture; at least one light adjusting member configured to adjust the amount of light passing through the aperture; and at least one electromagnetic driving source configured to rotate the light adjusting member. The light adjusting member is provided with a rotating shaft member having magnetism. The light passing through the aperture is adjusted by rotating the rotating shaft member by using the electromagnetic driving source. The electromagnetic driving source includes a yoke and a winding coil wound on the yoke. The electromagnetic driving source is disposed on the base plate such that both front end sections of the yoke face toward the rotating shaft member in an area near and including a constraining point. | 10-07-2010 |
20100277784 | SHUTTER DEVICE WITH MULTI-STAGE DIAPHRAGM - A shutter device with a multi-stage diaphragm includes a base, a shutter unit pivoted on the base, a driving unit, and an actuator unit. The base includes a first optical opening defining an optical axle passing through the first optical opening. The shutter unit is adjusted to cover the first optical opening. The driving unit includes a main axle perpendicular to the optical axle and installed on the base, and a driving bar moving along the main axle and linking to the shutter unit. The actuator unit includes a coil board installed on one of the base and the driving bar, and an actuator magnet installed on the other of the base and the driving bar corresponding to the coil board. The coil board receives signals to change the relative position between the coil with pattern and the actuator magnet, whereby the actuator unit drives the shutter unit in multi-stages. | 11-04-2010 |
20100290101 | LIGHT SCREENING DEVICE AND MANUFACTURING METHOD THEREOF - There are provided a light screening apparatus and a manufacturing method thereof. The light screening apparatus includes a substrate, a transparent electrode, a plurality of roll-up actuators and a plurality of light screening patterns. The substrate includes a light-transmitting region and the transparent electrode is formed on one surface of the substrate. Each roll-up actuator, which has opaque characteristics, is fixed on the circumference portion of the light-transmitting region and includes a fixing end and a moving part which extends from the fixing end. Gaps are formed between adjacent roll-up actuators, and the light screening patterns are formed on the substrate at locations corresponding to the gaps. The light-screening patterns prevent light incident through the gaps from being transmitted to the light-transmitting region. | 11-18-2010 |
20100302614 | MEMS AND ELECTROPHORETIC DISPLAY DEVICES INTEGRATED WITH ORGANIC LIGHT-EMITTING DEVICE - A system for displaying images is provided. The system includes a display device including a first substrate having a pixel unit array thereon. A second substrate is disposed above the first substrate. A plurality of micro-electro-mechanical system shutters is disposed between the first substrate and the second substrate and corresponds to each pixel unit of the pixel unit array. An organic light-emitting device is disposed between the second substrate and the plurality of micro-electro-mechanical system shutters to serve as a light source of the display device. A system for displaying images including a display device with an electrophoretic display layer is also disclosed. | 12-02-2010 |
20110032592 | LIGHT CONTROLLING APPARATUS - A light controlling apparatus includes a substrate in which an optical aperture is formed, a first light controlling means and a second light controlling means, each having an optical aperture regulating portion, and a drive source which operates the first light controlling means and the second light controlling means. The first light controlling means and the second light controlling means move mutually to a first stationary position retracted from a position of the optical aperture and a second stationary position which overlaps with the position of the optical aperture. A rotating shaft member is formed integrally with the first light controlling means. A coupling portion is formed on at least one of the first light controlling means and the second light controlling means, and the first light controlling means is rotated by rotating the rotating shaft member by the drive source, and the second light controlling means is also rotated in conjunction by the coupling portion. The first light controlling means and the second light controlling means rotate with the same axis of rotation as a center of rotation. | 02-10-2011 |
20110043882 | Micro-Shutter and Display Apparatus Having the Same - A micro-shutter includes a reflective layer, a shutter, and a first actuator. The reflective layer includes a plurality of first openings transmitting a portion of external light, and reflecting the remaining portion of the external light. The shutter includes a plurality of second openings corresponding to the first openings to transmit the portion of the external light. The first actuator is provided at one side of the shutter and includes at least three electrodes. The first actuator adjusts an overlap area between the first openings and the second openings according to a level of a voltage applied to the actuator electrodes. | 02-24-2011 |
20110043883 | LENS DEVICE WITH AN INTEGRATED SHUTTER UNIT - A lens device includes a base, a lens unit, a dividing plate, a cover plate, a shutter unit, and an actuator unit. The base has a front section with a front surface, a rear section with a rear surface, a lens hole, and a mounting space. The lens unit is disposed in the lens hole, and includes a lens. The dividing plate is mounted on the front section and has a first light hole. The cover plate is mounted on the front section and has a second light hole. The dividing plate and the cover plate define a working space therebetween. The shutter unit includes a first shutter piece pivotally disposed in the working space. The actuator unit is mounted in the mounting space, and includes a rotation portion, and an operating portion formed on the rotation portion and extending into the working space. | 02-24-2011 |
20110063706 | ELECTROMECHANICAL DYNAMIC FORCE PROFILE ARTICULATING MECHANISM - An electromechanical dynamic force profile articulating mechanism for recovering or emulating true parallel plate capacitor actuation behaviors from deformable membranes used in MEMS systems. The curved deformation of flexible membranes causes their MEMS behavior to deviate from known interactions between rigid plates that maintain geometric parallelism during ponderomotive actuation. The present invention teaches three methods for reacquiring parallel plate behavior: superaddition or in situ integration of a rigid region within or upon the deformable MEMS membrane; creation of isodyne regions to secure parallelism by altering the force profile upon the membrane by introducing tuned and shaped voids within the conductive region associated with the membrane; and a hybrid composite approach wherein the conductive region is deposited atter deposition of a raised rigid zone, thereby emulating isodyne behavior due to the increased inter-conductor distance in the vicinity of the rigid zone, in conjunction with rigidity benefits stemming directly from said zone. | 03-17-2011 |
20110069369 | DISPLAY DEVICE - A display device is provided including a first substrate a second substrate facing the first substrate. The device also includes a micro-electro-mechanical system (MEMS) element disposed between the first substrate and the second substrate. The device further includes a color conversion member disposed between one of the first substrate and the second substrate, and the MEMS element. A light source is provided to emit light toward the first substrate, wherein the color conversion member absorbs the light from the light source, and represents at least one color by the energy according to the absorbed light. | 03-24-2011 |
20110102876 | DISPLAY DEVICE USING MEMS ELEMENT AND MANUFACTURING METHOD THEREOF - The present invention relates to a display device using a microelectromechanical system (MEMS) and to a manufacturing method thereof. A display device using a MEMS includes a first substrate comprising a first index of refraction; a second substrate facing the first substrate; a reflective layer formed on the first substrate and having a first aperture; a transparent layer covering the first aperture and comprising a second refractive index; and a shutter arranged on the second substrate, wherein a difference between the first refractive index and the second refractive index is equal to or less than 0.1. | 05-05-2011 |
20110116150 | Magnetic shutter blade position sensing method - The instant invention senses shutter blade position indirectly by sensing the position of rotor(s) driving the shutter blade in an electromagnetically driven actuator system. It generally comprehends systems where a plurality of rotors each drive respective blades of a shutter such that the position of each of the rotors is indicative of the position of their respective shutter blades, and combines such systems with non-optical sensors responsive to the rotors which signal the position of the shutter blades based on the position of the rotors. The non-optical sensors used are preferably responsive to the magnetic fields produced by the rotors, and can be advantageously positioned adjacent stator poles associated with the rotors, which stator poles are associated with the open or closed positions of the shutter blades. The sensors are preferably Hall Effect (Hall IC) sensors producing voltages proportionate to and greatest when the pole of a magnet is proximate the Hall Effect sensor. Thus, the system can be arranged with sensors adjacent stator poles associated with a closed blade/shutter configuration, or arranged with sensors adjacent stator poles associated with an open blade/shutter configuration, so that the voltage signal produced is highest/lowest for either a closed/open shutter condition or the opposite. | 05-19-2011 |
20110122474 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating light modulators are disclosed along with methods of manufacturing such devices. According to some aspects of the invention, a control matrix for controlling light modulators of a display includes a light absorbing layer that includes a material having a substantially light absorbing property. | 05-26-2011 |
20110128603 | FOCAL PLANE SHUTTER AND OPTICAL DEVICE - A focal plane shutter includes: a board including an opening; a blade closing and opening the opening; a driving lever holding a movable iron piece, swingably supported, and driving the blade; a self-holding solenoid being able to adsorb the movable iron piece in a non-energized state, and an adsorptive force in an energized state being smaller than an adsorptive force in the non-energized state; and a biasing member biasing the driving lever to move away from the self-holding solenoid. The driving lever includes an engagement portion engaging the movable iron piece and made of a non-magnetic material. | 06-02-2011 |
20110170158 | OPTICAL SHUTTERING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is an optical shuttering device and a method of manufacturing the same. Device includes a roll-up blade that stays in a rolled-up state while no driving voltage is applied thereto and flattens to shutter a light-transmitting region when a predetermined driving voltage is applied to the roll-up blade. The roll-up blade may be provided as a single roll-up blade or as a plurality of roll-up blades such that the roll-up blade(s) shutters a a portion or the entirety of the light-transmitting region. The roll-up blade may be formed as a thin layer made of a single opaque, conductive material. As a single-layered structure, the roll-up blade may spontaneously roll up due to a stress gradient that is made in a thickness direction of the roll-up blade, and as a multi-layered structure, the roll-up blade may spontaneously roll up due to differences in mean stress of the multi layers. | 07-14-2011 |
20110176194 | SHUTTER DEVICE - An exemplary shutter device includes a base having an aperture defined therein, a shaft mounted on the base, a magnetic element, a shutter blade, a first wire coil and a second wire coil. The magnetic element is connected to the shaft and rotatable around the shaft. The shutter blade is coupled to the shaft and jointly rotatable with the magnetic element. The first wire coil and the second wire coil are mounted on the base arranged on two sides of the magnetic element. The first and second wire coils are configured for driving the magnetic element to rotate, thereby moving the shutter blade to selectively expose the aperture or cover the aperture. | 07-21-2011 |
20110181935 | MAGNETIC VOICE-COIL SHUTTER DRIVE ACTUATION SYSTEM - This magnetic voice-coil shutter drive actuation system for an optical shutter having an aperture with at least one shutter blade includes an actuator operating to open/close the shutter blade when moved in opposing directions, and a moveable element that operates said actuator and can be a moveable voice coil or a moveable permanent magnet. The voice coil is activatable to generate an electromagnetic flux in opposing polar orientations to react against the magnetic flux produced by the permanent magnet. The moveable element can be located in a position peripheral of the aperture and not surrounding the aperture, or in a position peripheral of the aperture and surrounding the aperture. The magnetic flux produced by the permanent magnet and the electromagnetic flux produced by the voice coil define magnetic axes that are parallel to each other and to a central axis for the aperture. | 07-28-2011 |
20110228373 | SHUTTER DEVICE - The shutter device includes a base, a post, a coil, a shutter, a first magnetic member, and a second magnetic member. The base defines a first aperture. The post is fixedly mounted on the base. The coil is connected to the post and rotatable around the post. The shutter blade is coupled to the post and jointly rotatable with the coil. The first and second magnetic members are mounted on the base arranged on two sides of the coil. The first and second magnetic members are configured for driving the coil to rotate, thereby moving the shutter blade to selectively expose or cover the the first aperture. | 09-22-2011 |
20110235147 | MEMS SHUTTER AND DISPLAY APPARATUS HAVING THE SAME - The display apparatus including a microelectromechanical (MEMS) shutter is disclosed. The MEMS shutter is shifted by the switching element in a horizontal direction corresponding to the light control area to turn on or turn off the light control area. A first slit transmits light generated from the light source to the MEMS shutter of a first substrate and a second slit of a second substrate corresponding to the first slit provides apertures by overlapping the first slit and the second slit. The apertures of the MEMS shutter are distributed on a two dimensional plane and form a geometrically symmetric pattern that are capable of enhancing light-use efficiency. | 09-29-2011 |
20110267668 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption. | 11-03-2011 |
20110292483 | Display including waveguide, micro-prisms and micro-shutters - A display including a light source for generating light, an optical waveguide for receiving and evenly distributing light in a light propagation direction by total internal reflections and a matrix of electromechanical picture elements for modulating light to produce an image. | 12-01-2011 |
20110292484 | LIGHT ADJUSTING APPARATUS - Disclosed is a light adjusting apparatus which is characterized in that it includes:
| 12-01-2011 |
20110310457 | OPTICAL APPARATUS - The optical apparatus includes plural stop blades, an opening/closing mechanism moving the stop blades in opening and closing directions, an actuator driving the opening/closing mechanism, and a controller controlling drive of the actuator. The controller calculates, when moving the stop blades from a first position to a second position in video capturing, a control driving amount of the actuator that is a sum of a target driving amount corresponding to a moving amount of the stop blades from the first position to the second position and a driving correction amount that varies depending on a position and a moving direction of the aperture blades, the position being at least one of the first and second positions. The controller controls the drive of the actuator based on the control driving amount. | 12-22-2011 |
20120044559 | APERTURE ADJUSTING DEVICE - An aperture adjusting device is disclosed. The aperture adjusting device includes a support frame, a gear ring, at least one blade, and a connector. The support frame includes an aperture, and a guiding slot. The gear ring is rotatably disposed on a first side of the support frame. The blade is swingably disposed on a second side of the support frame, and used to partially cover the aperture. The connector is fixed to the gear ring, and passes through the guiding slot to connect with the blade. The gear ring is adapted to rotate to make the connector move along the guiding slot to drive the blade to swing. | 02-23-2012 |
20120113493 | HIGH SPEED ELECTROMECHANICAL SHUTTER - An electromechanical shutter device comprising a base member and a shutter assembly comprising: an electrical current source member; a shutter member movable between a light beam blocked position and a light beam passed position; a light beam blocking member associated with the shutter member; a shutter coil associated with the shutter member which generates an electromagnetic force when energized; at least one magnet which generates a magnet flux directed towards and intersecting the shutter coil; electrically conductive means connecting the electrical current source member to the shutter member for passing electrical current to energize the shutter coil and to control movement of the shutter member between the light beam blocked and passed positions; wherein when the shutter coil is energized, an electromagnetic force is generated that interacts with the magnetic flux to thereby cause movement of the shutter member between the light beam blocked and light beam passed positions. | 05-10-2012 |
20120140305 | REFLECTION TYPE DISPLAY DEVICE - A reflection type display device ( | 06-07-2012 |
20120154887 | LIGHT SCREENING APPARATUS AND ELECTRONIC DEVICE INCLUDING THE SAME - A light screening apparatus and an electronic device including the light screening apparatus are provided, where the electronic device could be an imaging device or a display device. The light screening apparatus includes a base plate, a rollup blade, and a driving unit. The base plate includes a lower electrode and a light transmitting portion through which light passes. The rollup blade includes an upper electrode and at least two layers having different optical properties. The driving portion is electrically connected to the base plate and the rollup blade, and it controls the amount of light passing through the light transmitting portion of the base plate. The outer circumferential surface of the rollup blade, when in a rolled-up position, may be an anti-reflection surface. | 06-21-2012 |
20120162741 | MICROELECTROMECHANICAL OPTICAL SHUTTER SYSTEM - A microelectromechanical shutter system includes an actuator beam formed in a substrate, at least one actuator electrode spaced apart and electrically isolated from the actuator beam, the at least one actuator electrode angling away from a base of the actuator beam to actuate the actuator beam using a zipper action, and a fiber-optic channel in the substrate to receive a fiber-optic cable. A shutter mirror is included on a distal end of the actuator beam, with the shutter mirror in substantial alignment with a centerline of the fiber-optic channel. Upon application of a voltage between the actuator beam and the at least one actuator electrode, an electrostatic force is created between them to move the shutter mirror across the end of the fiber-optic channel. | 06-28-2012 |
20120170096 | DIAPHRAGM DEVICE - A diaphragm device includes: a board including an opening; a step motor including a teeth portion, and rotatable and stoppable at an interval of a predetermined step angle; a transmitting member including a driven teeth portion meshing the teeth portion, and capable of rotating and stopping in response to a drive force of the teeth portion; a drive ring capable of rotating and stopping in response to a drive force of the transmitting member; and a blade capable of stopping at a receding position to recede from the opening or at an aperture position to cover at least a part of the opening, in response to a drive force of the drive ring. | 07-05-2012 |
20120200905 | TRANSILLUMINATION DEVICE FOR A MICROSCOPE - A transillumination device ( | 08-09-2012 |
20120200906 | MEMS ANCHORS - The invention relates to an improved apparatus and method for the design and manufacture of MEMS anchoring structures for light modulators in order to address the stresses of beams mounted on them. | 08-09-2012 |
20120218616 | LIGHT QUANTITY ADJUSTMENT APPARATUS, LENS UNIT AND OPTICAL APPARATUS PROVIDED WITH THE SAME - A light quantity adjustment apparatus has a board including an exposure aperture, blade members adjusting a quantity of light passing through the exposure aperture, and a driving device for driving the blade members. The driving device is provided with an electromagnetic coil, a magnet rotor rotating by applying a current to the electromagnetic coil, a rotating shaft, a coil frame having bearings, a reference surface for positioning formed in the coil frame, and a shield yoke supported relative to the reference surface and magnetically shielding the magnet rotor. The board includes a support plane supporting the blade members, a concave portion in the support plane to store the driving member, a support portion in the concave portion to support one end of the shield yoke, and a holding device for storing and supporting the driving member in the concave portion. | 08-30-2012 |
20120236385 | DISPLAY SUBSTRATE, DISPLAY APPARATUS HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a base substrate, a high reflective layer, a metal light reflective layer and a low reflective layer. The high reflective layer is on the base substrate, and includes a high refractive layer and a low refractive layer which alternate with each other. The high refractive layer has a first refractive index, and the low refractive layer has a second refractive index smaller than the first refractive index. The metal light reflective layer is between the high reflective layer and the low reflective layer, and reflects a light. The low reflective layer comprises a light absorbing layer which absorbs a light, and at least one insulating layer. Accordingly, a light utilizing efficiency and a display quality may be increased. | 09-20-2012 |
20120287494 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE DISPLAY DEVICE - A metal layer is formed on a highly light-transmissive substrate; a resist mask having an opening pattern is formed on the metal layer; exposed portions of the metal layer is etched away in this state to form openings; then the resist mask is removed; and a surface of the metal layer and an inner side wall of each of the openings are oxidized to form a metal oxide layer. Thus, a front surface and a rear surface of the aperture plate are caused to have different reflectances. The oxide layer is formed at the same time as when the resist mask is ashed to remove resist. | 11-15-2012 |
20120293852 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY PANEL HAVING THE SAME - A display substrate includes a base substrate, a micro shutter, a first driving electrode, a second driving electrode, and a plurality of anchors. The micro shutter includes a flat portion having at least one opening, a main concave portion adjacent to the opening and extending in from the flat portion to a first depth, and at least one sub-concave portion extending in from a bottom surface of the main concave portion to second depth. The first driving electrode is connected to a first side of the micro shutter. The second driving electrode is connected to a second side of the micro shutter. The second side is positioned opposite to the first side. The anchors fix the first and second driving electrodes on the base substrate. | 11-22-2012 |
20120300279 | DISPLAY DEVICE - The display device includes: an insulating substrate section that is a substrate having an insulation property; a thin film transistor section in which a thin film transistor is formed in each pixel on the insulating substrate section; a shutter mechanism section that is electrically driven by the thin film transistor of the thin film transistor section so as to control light transmission of each pixel. The shutter mechanism section has a mechanical layer that is a structural portion and a conductive layer that is formed on the mechanical layer. Both of the mechanical layer and the conductive layer are fixed in direct contact with the conductive portion formed on the thin film transistor section. | 11-29-2012 |
20120307332 | DISPLAY DEVICE - A display device includes an aperture substrate including a plurality of openings arranged in a matrix form and a plurality of shutter parts that are arranged between a first substrate and a second substrate correspondingly to the openings. The plurality of shutter parts move in a horizontal direction relative to the aperture substrate so as to control an amount of light emitted from the plurality of openings. Also, the display device includes a liquid holding wall configured to hold a liquid between the first substrate and the second substrate and is arranged to surround a display area including the plurality of shutter parts, and includes at least one bubble holding part configured to hold a bubble that is generated in the liquid and is guided to the at least one bubble holding part. The at least one bubble holding part is provided as a part of the liquid holding wall. | 12-06-2012 |
20120307333 | DISPLAY DEVICE - A MEMS substrate is formed from a transparent substrate and a movable type shutter arranged on each pixel of a surface of the transparent substrate. An AP substrate includes another substrate and a light blocking film arranged on the other transparent substrate formed with an aperture corresponding to each shutter. A plurality of supporting columns is formed on a surface of the transparent substrate of the MEMS substrate. A plurality of cylindrical contact holes having the same inner diameter as an outer diameter of each supporting column are formed at a position corresponding to one part of the supporting columns. Both substrates are arranged with a certain interval so that each shutter and an aperture oppose each other, thereby a tip end of corresponding supporting columns is inserted into each contact hole and in this way, both substrate are mutually positioned. | 12-06-2012 |
20120307334 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE DISPLAY DEVICE - In a movable shutter-system display device, a movable shutter includes an amorphous silicon film material which has a low residual stress and thus is stable. A display device includes a display panel comprising a first substrate and a second substrate. The display panel includes a plurality of pixels; each of the plurality of pixels includes a movable shutter including amorphous silicon and a driving circuit for driving the movable shutter; and the amorphous silicon included in the movable shutter is formed of at least two amorphous silicon films, and where any two amorphous silicon films adjacent to each other among the at least two amorphous silicon films are a first amorphous silicon film and a second amorphous silicon film stacked on the first amorphous silicon film, the first amorphous silicon film and the second amorphous silicon film have different characteristic values. | 12-06-2012 |
20120307335 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE DISPLAY DEVICE - A display device according to the present invention includes a plurality of pixels provided on a substrate; a first insulating film provided on the substrate; a second insulating film provided on the first insulating film in contact with at least a part thereof and formed of a different material from that of the first insulating film; a plurality of MEMS shutters provided on the second insulating film respectively in correspondence with the plurality of pixels, the plurality of MEMS shutters having a third insulating film formed on side surfaces thereof; and a plurality of terminals for supplying a potential to the plurality of gate lines and the plurality of data lines, the plurality of terminals receiving the potential through openings formed in the first insulating film and the second insulating film, the openings being formed on the plurality of terminals. | 12-06-2012 |
20120314270 | ELECTROMAGNETIC WAVE GENERATOR AND OPTICAL SHUTTER USING THE SAME - An electromagnetic wave generator for outputting wideband electromagnetic waves, including terahertz (THz) band waves, and for controlling wavelengths of the output electromagnetic waves and an optical shutter are provided. The electromagnetic wave generator includes two electrodes that separately face each other, a chargeable particle disposed between the two electrodes, and a chamber disposed to surround the chargeable particle between the two electrodes. When DC voltages are applied to the two electrodes to generate an electric field between the two electrodes, the chargeable particle may be charged. Then, the chargeable particle reciprocates between the two electrodes to generate the electromagnetic waves. A wavelength of the output electromagnetic wave may be controlled by adjusting a potential difference between the two electrodes. | 12-13-2012 |
20130003155 | ELECTROMAGNETICALLY ACTUATED MICROSHUTTER - The invention relates to an electromagnetically actuated microshutter comprising: a moveable plate that can rotate about an axis, connected to a stationary frame by two arms aligned on both sides of the plate to said axis, and comprising on its periphery a conductive loop; and below the assembly formed by the stationary frame and the moveable plate, a group of magnets having distinct magnetic orientations, arranged in such a manner so as to create, in regard to the moveable plate, a lateral magnetic field, in the plane of the frame, oblique in relation to the axis of rotation. | 01-03-2013 |
20130010341 | ALIGNMENT METHODS IN FLUID-FILLED MEMS DISPLAYS - This application relates to a display including a first layer of material including a first aperture having at least one side, a first substrate separated from the first layer of material by a gap, where the first substrate is arranged to pass through a portion of light emitted from a light source into the gap. The display further includes a movable shutter arranged within the gap, where the shutter is movable to at least a first position and a second position, to obstruct passage of the portion of light through the first aperture at the first position. The movable shutter has a first edge, and in the first position, the movable shutter is aligned with the first aperture such that the first edge extends a first length past the at least one side of the first aperture. | 01-10-2013 |
20130010342 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption. | 01-10-2013 |
20130021656 | MEMS ACTUATOR AND MEMS ACTUATED SHUTTER MECHANISM - The present application generally describes several microelectromechanical systems (MEMS) including apparatuses, devices and systems configured for actuating a microdevice such as a shutter for use in a mobile terminal camera. One preferred embodiment described herein can include an apparatus including a curtain substantially disposed in a plane; an actuator mechanically connected to the curtain; and a voltage supply electrically connected to the actuator such that in response to a predetermined voltage the actuator thermally expands and thereby causes displacement of the curtain within the plane. | 01-24-2013 |
20130057937 | AUTOMATED SHADE CONTROL IN CONNECTION WITH ELECTROCHROMIC GLASS - Automated shade systems may comprise controllers that use algorithms to control operation of the automated shade control system and components thereof, for example window coverings, glass having variable characteristics, and so forth. These algorithms may include information such as: 3-D models of a building and surrounding structures, shadow information, reflectance information, lighting and radiation information, information regarding one or more variable characteristics of glass, clear sky algorithms, log information related to manual overrides, occupant preference information, motion information, real-time sky conditions, solar radiation on a building, a total foot-candle load on a structure, brightness overrides, actual and/or calculated BTU load, time-of-year information, and microclimate analysis. | 03-07-2013 |
20130057938 | DISPLAY ELEMENT, DISPLAY DEVICE, AND PROJECTION DISPLAY DEVICE - The present invention includes light valve section ( | 03-07-2013 |
20130077145 | DISPLAY APPARATUS - A display apparatus includes a first substrate and a second substrate. The first substrate includes a light blocking layer and the second substrate includes a shutter part. The shutter part includes first, second, third, and fourth operators and a shutter. The first, second, third, and fourth operators are operated independently from each other in response to first, second, third, and fourth voltages, respectively. The shutter is connected to the first to fourth operators to be rotationally moved. Thus, the display apparatus display may display various gray scales. | 03-28-2013 |
20130077146 | DISPLAY DEVICE - A fixed aperture includes a first fixed slit and a second fixed slit which are arranged respectively in regions positioned on both sides with a moving line sandwiched therebetween. A drive aperture includes a first drive slit and a second drive slit which are arranged on both sides with the moving line sandwiched therebetween. The first fixed slit and the first drive slit are formed in an extending manner along a first line, and are arranged such that these slits communicate with each other when a shutter is at a position where the transmission of light is allowed. The second fixed slit and the second drive slit are formed in an extending manner along a second line which intersects with the first line, and are arranged such that these slits communicate with each other when the shutter is at a position where the transmission of light is allowed. | 03-28-2013 |
20130155481 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE DISPLAY DEVICE - A display device and a method for manufacturing the same, for discharging static electricity generated in the manufacturing process of a display device using a mechanical shutter and thus preventing the mechanical shutter from being deformed by the static electricity are provided. The display device includes a TFT substrate having thin film transistors thereon respectively provided with a plurality of mechanical shutters located in a matrix and also having terminals thereon for supplying a signal to the thin film transistors from outside; and a counter substrate joined with the TFT substrate. Along at least one of an edge of the TFT substrate and an edge of the counter substrate, an injection opening for injecting an insulating liquid into an area between the TFT substrate and the counter substrate and a ground electrode for covering at least a part of an inner surface of the injection opening are provided. | 06-20-2013 |
20130163063 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A display apparatus includes a first insulating substrate, a light shielding layer on the first insulating substrate and including a first opening through which a light passes, a second insulating substrate which faces the first insulating substrate, and a shutter part on the second insulating substrate. The shutter part includes a driving beam electrode, a deformable electrode which faces the driving beam electrode and moves in response to a voltage applied to the driving beam electrode, and a shutter. The shutter includes a second opening which corresponds to the first opening of the light shielding layer, is connected to the deformable electrode and overlaps one of the deformable electrode or the driving beam electrode according to a movement of the deformable electrode, in a plan view. | 06-27-2013 |
20130170009 | LIGHT-QUANTITY CONTROL APPARATUS AND OPTICAL APPARATUS - The light-quantity control apparatus includes a base member having an opening allowing light to pass therethrough, a first aperture blade movable in a direction orthogonal to a light passing direction, a second aperture blade rotatable in a surface orthogonal to the light passing direction, and a driving lever to be rotated by a driver to drive the first and second aperture blades. The base member has a protruding portion engaging with a groove portion provided in the first aperture blade, the second aperture blade has a driving cam groove portion with which a driving pin provided in the driving lever slidably engages and a rotation center hole portion with which the protruding portion engages. The second aperture blade is rotated about the protruding portion by sliding of the driving pin with respect to the driving cam groove portion with rotation of the driving lever. | 07-04-2013 |
20130188235 | SWITCHABLE WINDOWS WITH MEMS SHUTTERS - An array of MEMS shutters may incorporate opaque and/or interference-based film stacks, to control light in a window. The shutter structure may include one or more layers with a controlled stress gradient, which makes a shutter arm curl out of plane and away from a defined aperture for light, thus permitting light to be transmitted through a transparent substrate and past the MEMS structure. To close the shutter, a voltage may be applied between an electrode in the shutter arm and an electrode covering a region on the substrate, rolling the shutter arm flat against the substrate electrode and placing the shutter arm over the aperture. The shutter arm may be configured to transmit selected wavelengths of light. In some implementations, the shutter arm may be configured to filter out infrared light. | 07-25-2013 |
20130188236 | LIGHT INTENSITY CONTROL APPARATUS - An arm member is capable of moving to a first position, a second position, a third position, and a fourth position, in order, by driving a stepping motor in one direction. A shutter blade is in a closed state and a light quantity adjustment blade is in an insertion state when the arm member is at the first position, the shutter blade is in an open state and the light quantity adjustment blade is in the insertion state when the arm member is at the second position, the shutter blade is in the open state and the light quantity adjustment blade is in the evacuation state when the arm member is at the third position, and the shutter blade is in the closed state and the light quantity adjustment blade is in the evacuation state when the arm member is at the fourth position. | 07-25-2013 |
20130194649 | Rotational Type of MEMS Electrostatic Actuator - A cantilever type of electrostatic vertical combdrive actuators may generate larger actuator displacement (typically over 70 um) with a relatively small and simple structure. The actuation voltage is lower while the actuation movement is robust without any typical sideway finger snapping phenomena due to a cantilever type of structure. Because of its small form factor, it can form a high fill factor array in applications such as lower power consumption display devices, sensitive electromagnetic radiation detector/detector arrays, etc. The MEMS (Micro-Electro-Mechanical Systems) electrostatic rotational actuators may have wide applications such as in optical shutter, optical chopper, optical switches, optical attenuators, optical tunable filter, RF shunt switch, RF ohmic contact switch, RF MEMS variable capacitors, MEMS display and sensitive electromagnetic radiation detector etc. | 08-01-2013 |
20130258433 | CUTOFF MECHANISM FOR AN OPTICAL MODULE AND AN OPTICAL MODULE COMPRISING SUCH A MECHANISM - The invention relates to a cutoff mechanism ( | 10-03-2013 |
20130258434 | LIGHT ADJUSTING APPARATUS - A light adjusting apparatus includes a first substrate, a second substrate, rotating-shaft member, light adjusting unit, and a drive unit. By moving the light adjusting unit by rotating the rotating-shaft member by the drive unit, the light adjusting unit is pivoted alternately to an opened position at which, the light adjusting unit is corresponding to the optical aperture, and a retracted position at which, the light adjusting unit is retracted from the optical aperture, and incident light which passes through the optical aperture is adjusted in the light adjusting apparatus. The light adjusting unit includes an optical element, and has an isolating unit which isolates a surface opposite each other the first substrate and the second substrate of the optical element, and the first substrate and the second substrate. | 10-03-2013 |
20130329271 | MICRO OPTICAL SWITCHING DEVICE, IMAGE DISPLAY APPARATUS INCLUDING MICRO OPTICAL SWITCHING DEVICE, AND METHOD OF MANUFACTURING MICRO OPTICAL SWITCHING DEVICE - A micro optical switching device is provided, including a substrate, a first electrode disposed on a first surface of the substrate and including a first opening array including having a first plurality of openings, a second electrode disposed over the first electrode and including a second opening array including a plurality of second openings which do not overlap with the plurality of first openings, and a support member disposed on the substrate. The support member has a thickness greater than a distance from the first surface of the substrate to the second electrode and protrudes above the second electrode. | 12-12-2013 |
20140029077 | DISPLAY DEVICE PROVIDED WITH MEMS LIGHT VALVE AND FORMING METHOD THEREOF - A display device provided with an MEMS light valve, comprising: a substrate, a fixed optical grating located on the substrate, an MEMS light valve for controlling the opening and closing of the fixed optical grating, the MEMS light valve comprises a first light valve and a second light valve; the opening and closing of the fixed optical grating is controlled via controlling the movement of the first light valve and the second light valve, and the moving directions of the first light valve and the second light valve are opposite. Also disclosed is a method for forming a display device provided with an MEMS light valve. Thus the sensitivity of the MEMS light valve is improved. | 01-30-2014 |
20140085698 | MEMS ANCHORS - The invention relates to an improved apparatus and method for the design and manufacture of MEMS anchoring structures for light modulators in order to address the stresses of beams mounted on them. | 03-27-2014 |
20140111842 | DISPLAY DEVICE PROVIDED WITH MEMS LIGHT VALVE AND FORMING METHOD THEREOF - A display device provided with an MEMS light valve, comprising: a substrate, a fixed grating located on the substrate, an MEMS light valve for controlling the opening and closing of the fixed grating; a guide is disposed on the substrate. The MEMS light valve comprises: a movable grating, a movable electrode and fixed electrodes; the moveable grating is located in the guide and is electrically connected to the guide when contacting the guide; one end of the movable electrode is fixedly connected with the movable grating, and the other end is suspended; and the fixed electrodes and the movable electrode form a capacitor. When a potential difference forms between the fixed electrodes and the movable electrode, the movable electrode drives the movable grating to move in the guide, thereby opening and closing the fixed grating. Therefore, the MEMS light valve sensitivity can be enhanced and reliability is improved. | 04-24-2014 |
20140111843 | LIGHT-QUANTITY CONTROL APPARATUS AND OPTICAL APPARATUS - The light-quantity control apparatus includes a base member, and a light-quantity control blade having a light-quantity control portion to control a quantity of light passing through a fixed aperture and a supported portion rotatably supported with respect to the base member. The light-quantity control portion and the supported portion of the light-quantity control blade are each rotated along a plane parallel to the aperture face, an intermediate portion thereof formed between the light-quantity control portion and the supported portion has a tilt with respect to the aperture plane toward the optical axis direction so that the light-quantity control portion is disposed distant from the supported portion in the optical axis direction. Thereby a concave space facing the fixed aperture is formed inside in the radial direction than the light-quantity control blade. | 04-24-2014 |
20140146378 | BI-STABLE ELECTROMAGNETICALLY CONTROLLED SHUTTER - A shutter assembly comprises a plurality of shutter blades movable between an open position and a closed position, and a plurality of drive mechanisms arranged circumferentially about the plurality of shutter blades for moving the plurality of shutter blades, wherein each of said drive mechanisms is stable in at least a first position and a second position. | 05-29-2014 |
20140185121 | DISPLAY APPARATUS INCORPORATING HIGH-ASPECT RATIO ELECTRICAL INTERCONNECTS - This disclosure provides systems, methods and apparatus for enabling a display to have a faster switching rate and an increased aperture ratio by using looped electrical interconnects with a reduced footprint. In one aspect, a display apparatus includes an array of display elements and a high-aspect ratio electrical interconnect connected to at least one display element in the array of display elements, wherein the high-aspect ratio electrical interconnect forms a loop that defines a closed boundary. | 07-03-2014 |
20140204441 | MICRO ELECTRO MECHANICAL DISPLAY MODULE - A micro electro mechanical display module including a first substrate, a light source and a color filter layer is provided. The first substrate includes a first substrate body, a light-shielding pattern layer and light-shielding units. The light-shielding pattern layer has first openings. Each light-shielding unit includes a light-shielding shutter having one second opening. The shutter light-shielding shutter is movable relative to the light-shielding pattern layer. When one of the light-shielding units is enabled, the second opening is aligned with one of the first openings, so that the white light provided by the light source passes through the light-shielding pattern layer and the one of the light-shielding units and then passes through the color filter layer. When the one of the light-shielding units is not enabled, the second opening is not aligned with the one of the first openings, so that the white light is blocked by the light-shielding shutter. | 07-24-2014 |
20140268272 | MEMS SHUTTER ASSEMBLIES FOR HIGH-RESOLUTION DISPLAYS - This disclosure provides systems, methods and apparatus for providing compact shutter assemblies. Shutter assemblies can be formed in a more compact fashion, allowing for higher pixel-per-inch displays, by incorporating shutters that during actuation pass over or under portions of the actuators that control those shutters. | 09-18-2014 |
20140268273 | INTEGRATED ELEVATED APERTURE LAYER AND DISPLAY APPARATUS - This disclosure provides systems, methods and apparatus for displaying images. One such apparatus includes a substrate, an elevated aperture layer (EAL) defining a plurality of apertures formed therethrough, a plurality of anchors for supporting the EAL over the substrate and a plurality of display elements positioned between the substrate and the EAL. Each of the display elements may correspond to at least one respective aperture of the plurality of apertures defined by the EAL. Each display element also includes a movable portion supported over the substrate by a corresponding anchor supporting the EAL over the substrate. In some implementations, one or more light dispersion elements may be disposed in optical paths passing through the apertures defined by the EAL. | 09-18-2014 |
20140268274 | Display Apparatus Incorporating an Elevated Aperture Layer and Methods of Manufacturing the Same - This disclosure provides systems, methods and apparatus for displaying images. Some such apparatus include an array of display elements coupled to a substrate and an elevated aperture layer (EAL) suspended over the array of display elements. The EAL is coupled to the substrate, and includes, for each of the display elements, at least one aperture for allowing passage of light therethrough. Methods for manufacturing such apparatus include at least one of forming etch holes through the EAL, employing an at least partially sublimatable sacrificial mold, employing a two phase release process, and releasing the apparatus such that a portion of a sacrificial mold remains surrounding portions of the apparatus. | 09-18-2014 |
20140268275 | DISPLAY APPARATUS INCORPORATING AN INTERCONNECT-SUPPORTING ELEVATED APERTURE LAYER - This disclosure provides systems, methods and apparatus for displaying images. Some such apparatus include a transparent substrate, a display element formed on the substrate, a light blocking elevated aperture layer (EAL) supported over the substrate by an anchor formed on the substrate, and an electrical interconnect disposed on the EAL for carrying an electrical signal to the display element. The electrical interconnect can include one or more of a data voltage interconnect, a scan-line interconnect or a global interconnect. In some implementations, a dielectric layer can separate the electrical interconnect from the EAL. The EAL can include an aperture formed through it that corresponds to the display element. In some implementations, a second electrical interconnect disposed on the substrate can be electrically coupled to a plurality of display elements. | 09-18-2014 |
20140300944 | SHUTTER WITH BLADE DAMPING - An optical shutter apparatus has at least one shutter blade that is movable between a first position blocking at least a portion of an aperture and a second position spaced apart from the first position. A linkage member is coupled to the at least one shutter blade and has a magnetic material. An actuator is coupled to the linkage member and is energizable to translate the at least one shutter blade between the first and second positions. An intermediate plate has a friction surface of a non-magnetic material. A magnet positioned away from the friction surface of the intermediate plate is disposed to urge the linkage member against the friction surface of the intermediate plate. | 10-09-2014 |
20140327948 | DISPLAY ELEMENTS INCORPORATING ASYMMETRIC APERTURES - This, disclosure provides systems, methods and apparatus for improving the angular light distribution of a display apparatus. Smaller shutter-based display apparatus that modulate light passing through at least two apertures in an aperture or light blocking layer can provide similar viewing angle characteristics as larger shutter-based modulators by disproportionately reducing the width of a subset of the at least two apertures in relation to the remainder of the apertures. As the width of such apertures is one of the primary determinants of viewing angle, allowing a greater percentage of the light throughput of a shutter assembly to pass through wider apertures helps maintain a wider viewing angle for the display. | 11-06-2014 |
20150055205 | MEMS DISPLAY INCORPORATING EXTENDED HEIGHT ACTUATORS - This disclosure provides systems, methods, and apparatus for a MEMS display incorporating extended height actuators. A light modulating component can be positioned between a substrate and an opposing surface coupled to the substrate. A suspended electrode can be coupled to the light modulating component and suspended between the substrate and the opposing surface. An extended-height electrode can be positioned immediately adjacent to the suspended electrode, and can extend from the substrate up to a height beyond the height of the suspended electrode. The suspended electrode and the extended-height electrode can be configured to move the light modulating component laterally with respect to the substrate. | 02-26-2015 |
20150062685 | ELECTROMAGNETICALLY ACTUATED MICROSHUTTER - The invention relates to an electromagnetically actuated microshutter comprising: a moveable plate that can rotate about an axis, connected to a stationary frame by two arms aligned on both sides of the plate to said axis, and comprising on its periphery a conductive loop and below the assembly formed by the stationary frame and the moveable plate, a group of magnets having distinct magnetic orientations, arranged in such a manner so as to create, with respect to the moveable plate, a lateral magnetic field, in the plane of the frame, oblique in relation to the axis of rotation. | 03-05-2015 |
20150103387 | SHUTTER-BASED LIGHT MODULATORS INCORPORATING INTEGRATED SIDEWALL REFLECTORS - This disclosure provides systems, methods, and apparatus for a MEMS display incorporating integrated sidewall reflectors. The display can include a light blocking component suspended over a substrate. The light blocking component can include an aperture in its surface that is parallel to the substrate. The display can include one or more sidewall reflectors positioned within the aperture. The one or more sidewall reflectors can be arranged at least partially normal to the surface of the light blocking component. Light that is directed through the aperture can be reflected off of the sidewall reflectors to escape from the display at a higher angle than would otherwise be possible. | 04-16-2015 |
20150138617 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a display device, including: a sealing member including an opening and surrounding a space defined by a pair of light transmissive substrates; an end seal for closing the opening of the sealing member to form an encapsulation space; oil filled in the encapsulation space; a spacer for maintaining an interval between the pair of light transmissive substrates; a shutter; a drive portion arranged in the oil, for mechanically driving the shutter; and a wall portion formed on at least one of opposed surfaces of the pair of light transmissive substrates. The wall portion includes a part arranged at a position interrupting a shortest path between the opening of the sealing member and a display region. The wall portion is made of a material forming the spacer, the shutter, and the drive portion. | 05-21-2015 |
20150301332 | ENCAPSULATED SPACERS FOR ELECTROMECHANICAL SYSTEMS DISPLAY APPARATUS - This disclosure provides systems, methods and apparatus for displaying images. A display apparatus includes display elements formed on a transparent substrate. An elevated aperture layer (EAL) is fabricated over the display elements. An opposing substrate is coupled to the transparent substrate, with the display elements and the EAL positioned between the two substrates. To prevent the opposing substrate from coming into contact with the EAL and potentially damaging the EAL or the display elements, a spacer is built from the same materials used to form the display elements and the EAL. The spacer extends to a distance above the transparent substrate beyond upper surface of the EAL and encapsulates layers of polymer material used in creating a mold for the EAL. | 10-22-2015 |
20150331232 | ULTRA-FAST MECHANICAL SHUTTER - An electro-mechanical shutter is described. The fast operation is based on a coil operated via a current, where the coil can move within a set of magnets to provide opening and closing of a shutter. The shutter can comprise a mirror connected to the coil, so that the mirror can be moved into the path of an optical beam. The mirror can block the beam light in the closed state, and allow the beam light in the open state. | 11-19-2015 |
20160011412 | ANTI-PEEPING DEVICE AND CONTROL METHOD | 01-14-2016 |
20160018636 | DISPLAY DEVICE AND MANUFACTURING METHOD OF SAME - [Problem] An object of the present invention is to electrically connect a substrate and an opposing substrate. [Resolving Means] A display device includes a first substrate | 01-21-2016 |
20160018717 | DIAPHRAGM DEVICE FOR VIDEO CAMERA LENS AND METHOD FOR CONTROLLING DIAPHRAGM DEVICE - A diaphragm device includes a diaphragm mechanism, a connector, an identification unit for identifying a control mode of a signal communicated via the multiple terminals on the basis of voltage of the signal, and a control unit, wherein the switching unit switches the communication path so that a pulse signal capable of driving the pulse signal driven actuator is generated for generating the pulse signal on the basis of the signal, and output to the pulse signal driven actuator if the control mode of the signal is identified as one based on a control mode incapable of directly driving the pulse signal driven actuator; and the switching unit switches the communication path so that the signal is output to the pulse signal driven actuator if the control mode of the signal is identified as a first control mode based on a pulse signal directly driving the pulse signal driven actuator. | 01-21-2016 |
20160025929 | OPTICAL TAP - An optical tap includes a support with a first port facing a first ferrule supporting a first fiber along a first axis. A beamsplitter is connected to the support and intersected by the first axis. A second port is fastened to the support and facing a second ferrule supporting a second fiber along a second axis that intersects the beamsplitter. A third port is fastened to the support and facing a third ferrule supporting a third fiber along a third axis that intersects the beamsplitter, wherein the beamsplitter splits a first light signal from the first port to sends first and second portions of the first signal to the second and third ports, respectively. When the beamsplitter may optionally be configured as a polarizing element and include elements configured to rotate relative to each other to change a ratio of the first and second portions. The optical tap may optionally include a light intensity controlling device located in an optical path between the beamsplitter and at least one of the second or third ferrules. Optionally, a first collimating lens is configured to expand a first light beam that is substantially aligned with the first axis, and a second collimating lens is located between the beamsplitter and the second port, and configured to contract the second portion of the expanded first light beam to the second port. | 01-28-2016 |
20160025963 | DISPLAY DEVICE AND METHOD FOR PRODUCING SAME - The objective is to cause a substrate on which a shutter is provided and a substrate that opposes it to be electrically continuous. [Means of Solution] On a first substrate | 01-28-2016 |
20160033755 | OPTICAL SHUTTER BASED ON SUB-WAVELENGTH GRATINGS ACTUATED BY MICROELECTROMECHANICAL SYSTEMS - Methods and systems for control of electromagnetic waves are disclosed. An optical shutter includes a sub-wavelength grating. Each beam of the grating can be controlled by electrostatic or mechanical forces in order to increase or decrease the gap between each beam. Electrostatic or acoustic control of the grating allows an optical shutter to switch on and off. | 02-04-2016 |
20160043319 | ACTIVELY-ALIGNED FINE METAL MASK - The embodiments described herein generally relate to active alignment of a fine metal mask. The fine metal mask is connected with a frame through a plurality of microactuators. The microactuators can act on the fine metal mask to stretch the mask, reposition the mask or both. In this way, the position and size of the fine metal mask can be maintained in relation to the substrate. | 02-11-2016 |
20160077327 | LIGHT MODULATORS INCORPORATING CENTRALLY ANCHORED DRIVE ELECTRODES - This disclosure provides systems, methods and apparatus for reducing actuation voltage and switch time for an electrostatic actuator capable of actuating a light modulator. In one aspect, a light modulator can be formed on a substrate. The light modulator can include an electrostatic actuator. The electrostatic actuator can include a load beam electrode coupled to a shutter of the light modulator, and a drive beam electrode. The drive beam electrode can have a front end and a rear end. An anchor can be coupled to the drive beam and positioned away from the front end and the rear end. | 03-17-2016 |
20160161664 | DISPLAY APPARATUS - The present invention reduces brightness unevenness at the periphery of a non-display region in a display device that uses an edge-type backlight by means of a display device being provided with a liquid crystal panel, a light guide plate, which has the surface opposing the liquid crystal panel as the light emitting surface and one lateral surface other than the light emitting surface and the surface opposite the light emitting surface as the light incident surface, a light source unit, which opposes the light incident surface, and an opening that pierces the light guide plate from the light emitting surface to the surface opposite the light emitting surface, the configuration being such that the length (X) from the light incident surface to the center of the opening is at least | 06-09-2016 |
20160195711 | MEMS LIGHT MODULATOR FOR DISPLAY | 07-07-2016 |
20160195712 | Light Modulator for MEMS Display | 07-07-2016 |
20160202470 | SYSTEMS AND METHODS FOR MEMS LIGHT MODULATOR ARRAYS WITH REDUCED ACOUSTIC EMISSION | 07-14-2016 |
20160204716 | Actuator, Shutter Device, Fluid Control Device, Switch, and Two-Dimensional Scanning Sensor Device | 07-14-2016 |