37th week of 2022 patent applcation highlights part 43 |
Patent application number | Title | Published |
20220291424 | DISPLAY SWITCHING DEVICE - A display switching device according to one or more embodiments is disclosed. In a display switching device according to one or more embodiments, at least one of the pixel regions receives light from a plurality of light sources included in a predetermined light source group, and the light from each of the plurality of light sources is focused by a different lens. | 2022-09-15 |
20220291425 | DISPLAY SWITCHING DEVICE - A lens array included in a display switching device according to one or more embodiments may include a portion having a greater average of curvature radii of microlenses at a greater distance from a predetermined lens reference position on a surface of the lens array including the microlenses. | 2022-09-15 |
20220291426 | DIFFUSIVE OPTICAL DEVICE - In some implementations, a diffusive optical device includes a glass substrate; a first polymer layer disposed on a first surface of the glass substrate; and a second polymer layer disposed on the first polymer layer. A refractive index of the first polymer layer may be different than a refractive index of the second polymer layer. The first surface of the glass substrate may comprise a central region and a margin region, wherein the first polymer layer is disposed on the central region and not the margin region. The first polymer layer may include a plurality of adhesion promoter molecules that causes the second polymer layer to bond to the glass substrate, wherein at least one adhesion promoter molecule, of the plurality of adhesion promoter molecules, comprises a molecularly flexible spacer. | 2022-09-15 |
20220291427 | OPTICAL APPARATUS FOR WIDE-ANGLE ILLUMINATION - Incident optical signals propagate within a diffuser substrate and impinge upon an optical diffuser within the diffuser substrate or on its output surface. The optical diffuser redirects or transforms respective portions of each incident signal into corresponding forward- and backward-directed optical signals. The backward-directed signals are redirected or transformed into additional incident signals, and so on. The forward-directed optical signals collectively form the optical output of an illumination source that exhibits reduced speckle. The illumination source can include multiple laser sources formed on or attached to an input surface of the diffuser substrate. | 2022-09-15 |
20220291428 | RETROREFLECTIVE FILMS COMPRISING FLUORESCENT DYES - Provided herein is a retroreflective film comprising one or more layers (or coating layers) including a small quantity of fluorescent dye that shifts color readings (e.g., chromaticity coordinates) in specific regions located within a color space to comply with industry standards (e.g., United States, Europe, China and Brazil) while improving luminance factor and maintaining retroreflectivity. The one or more layers (or coating layers) of the retroreflective film includes a fluorescent dye from 0.0001 wt. % to 0.05 wt. %, based on the total weight of the layer, and exhibits a color reading that is situated in the color space defined by CIE chromaticity coordinates (0.305, 0.315), (0.335, 0.345), (0.325, 0.355) and (0.295, 0.325). The retroreflective film also achieves a good balance of high luminance and retroreflectivity. | 2022-09-15 |
20220291429 | HOLOGRAPHIC PLASMA LENSES - A diffractive optical element, such as a holographic plasma lens, can be made by direction two laser beams so that they overlap in a nonlinear material, to form an interference pattern in the nonlinear material. The interference pattern can modify the index of refraction in the nonlinear material to produce the diffractive optical element. The interference pattern can modify the distribution of plasma for the nonlinear material, which can adjust the index of refraction. A third laser beam can be directed through the diffractive optical element to modify the third laser beam, such as to focus, defocus, or collimate the third laser beam. | 2022-09-15 |
20220291430 | OPTICAL DEVICE - An optical device may include a plurality of sensor elements and a plurality of optical channels. The plurality of sensor elements may include a first set of sensor elements associated with a first wavelength range and a second set of sensor elements associated with a second wavelength range. The plurality of optical channels may include a first set of optical channels associated with the first wavelength range and a second set of optical channels associated with the second wavelength range. A first optical channel, of the first set of optical channels, may be disposed over a first sensor element, of the first set of sensor elements, and a second optical channel, of the second set of optical channels, may be disposed over a second sensor element, of the second set of sensor elements. | 2022-09-15 |
20220291431 | OPTICAL DEVICES - An optical device is provided. The optical device includes a plurality of IR-cut pixels, a plurality of IR-pass pixels, and a plurality of grids. The grids surround the IR-cut pixels and the IR-pass pixels. Each IR-cut pixel includes a first grating structure. A method for fabricating the optical device is also provided. | 2022-09-15 |
20220291432 | SWITCHABLE LIGHT MODULATOR HAVING REGIONS OF VARYING OPACITY - Switchable light modulators, which may be films, including chambers filled with electro-optic media, such as electrophoretic media, wherein some chambers have a different volume of electro-optic media such that when the electro-optic media is switched between an “open” and “closed” state some regions of the light modulator having chambers of greater volume undergo a greater change in optical density than areas having chambers with smaller volumes. Such switchable light modulators are useful for incorporation into windshields, glasses, windows, lenses, or visors where it is desirable that only part of the viewing area is darkened. Because the design only requires two (typically light-transmissive) electrodes, operation is simplified and costs are reduced, as compared to individually-actuable pixel electrodes. | 2022-09-15 |
20220291433 | OPTICAL FILTER AND IMAGING DEVICE - The present invention relates to an optical filter including a resin base material including an infrared-absorbing pigment layer, and a pair of inorganic dielectric layers which are respectively disposed on or above both main surfaces of the resin base material as outermost layers, in which at least one of the pair of inorganic dielectric layers satisfies at least one of a condition in which a film thickness is 4 μm or greater, and a condition in which the number of layers is 30 or greater, and a ratio of a total film thickness of the pair of inorganic dielectric layers to a film thickness of the resin base material is greater than 8%. | 2022-09-15 |
20220291434 | Wire Grid Polarizer Wire Sidewall Protection - A wire grid polarizer can have a protective-layer PL on each wire | 2022-09-15 |
20220291435 | PHASE RETARDATION FILM AND COMPENSATION FILM - A phase retardation film is applied to an organic light-emitting diode display device and includes a biaxially stretched polymer substrate and a liquid crystal layer. The polymer substrate has a positive wavelength dispersion characteristic. A thickness of the polymer substrate is between 5 μm and 100 μm. The liquid crystal layer is directly coated on the polymer substrate by a full coating process, and there is no adhesion layer between the liquid crystal layer and the polymer substrate. A thickness of the liquid crystal layer is between 0.4 μm and 5 μm. One of the polymer substrate and the liquid crystal layer has a phase retardation of λ/2, and the other has a phase retardation of λ/4. A compensation film using the phase retardation film is also provided. | 2022-09-15 |
20220291436 | POLARIZING PLATE - The present application can provide a thin polarizing plate having excellent antireflection performance in all directions including the side as well as the front, and having excellent folding durability and durability against short wavelengths. In addition, the present application can provide an organic light-emitting display device to which the polarizing plate is applied and a display device comprising the same. | 2022-09-15 |
20220291437 | LIGHT REDIRECTION FEATURE IN WAVEGUIDE DISPLAY - A waveguide display includes a first waveguide, a second waveguide, a spacer between the first waveguide and the second waveguide, and a light redirecting or absorbing structure on at least one surface of the first waveguide and/or at least one surface of the second waveguide. The first waveguide includes a first grating configured to couple a first portion of display light into the first waveguide and towards a second grating of the first waveguide. The second waveguide includes a third grating aligned with the first grating and configured to couple a second portion of the display light into the second waveguide and towards a fourth grating of the second waveguide. The light redirecting or absorbing structure is configured to absorb or redirect incident light from a first angular range towards an edge of the waveguide display, without altering incident light from other angular ranges. | 2022-09-15 |
20220291438 | TRANSPARENT DISPLAY PANEL AND ELECTRONIC DEVICE - A transparent display panel and an electronic device are provided. The transparent display panel includes: a first substrate, a second substrate, and a liquid crystal layer therebetween, the second substrate having an edge extension portion located on a same side of the transparent display panel as a first light incident surface of the first substrate; a first light source assembly located on a side, where the first light incident surface is provided, of the first substrate; a first light guide bar located between the first light source assembly and the first light incident surface, the first light guide bar having a first light guide bar surface, a second light guide bar surface, and a first light guide bar slope surface therebetween, an inner angle formed between the first light guide bar slope surface and the second light guide bar surface being less than or equal to 90 degrees. | 2022-09-15 |
20220291439 | LIGHT GUIDE PLATE DEVICE - A light guide plate according to one or more embodiments may include an incident surface that receives light, and an optical path changer on a back surface perpendicular to the incident surface. The optical path changer may reflect light to be emitted through an emission surface parallel to the back surface. The light emitted through the emission surface may form a formed image including a plane image representing a surface. The plane image may include a near imaging portion and a distant imaging portion. The plane image may have two ends included in the near imaging portion in a cross section perpendicular to the back surface and an optical axis of a light source. | 2022-09-15 |
20220291440 | LIGHT GUIDE PLATE DEVICE - A light guide plate according to one or more embodiments may include an incident surface that receives light and an optical path changer on a back surface perpendicular to the incident surface. Light reflected by the optical path changer forms a stereoscopic image including a near formed image at an imaging position within a predetermined distance from the back surface and a distant formed image at another imaging position. The near formed image includes an image formation area with a larger total area than an image formation area of the distant formed image. | 2022-09-15 |
20220291441 | LIGHT GUIDE PLATE, DISPLAY DEVICE, INPUT DEVICE, AND APPARATUS INCLUDING DISPLAY DEVICE - A light guide plate according to one or more embodiments may include a plurality of optical path deflectors arranged in a matrix. Each of the plurality of optical path deflectors may include a plurality of optical path deflector sets. The plurality of optical path deflectors may include a first cell and a second cell located periodically. The first cell may include a first deflector that deflects light within a first angle range. The first cell may be free of a second deflector that deflects light within a second angle range adjacent to the first angle range. The second cell may be free of the first deflector and may include the second deflector. | 2022-09-15 |
20220291442 | POLYMER OPTICAL FIBRE FOR ACTIVE IMPLANTABLE MEDICAL DEVICES (AIMD) AND AIMD USING SAME - A polymer optical fibre (POF) ( | 2022-09-15 |
20220291443 | METHODS FOR PRODUCING A HOLLOW-CORE FIBER AND FOR PRODUCING A PREFORM FOR A HOLLOW-CORE FIBER - Methods are known for producing an anti-resonant hollow-core fiber which has a hollow core extending along a fiber longitudinal axis and an inner jacket region that surrounds the hollow core, said jacket region comprising multiple anti-resonant elements. The known methods have the steps of: providing a cladding tube that has a cladding tube inner bore and a cladding tube longitudinal axis along which a cladding tube wall extends that is delimited by an interior and an exterior; providing a number of tubular anti-resonant element preforms; arranging the anti-resonant element preforms at target positions of the interior of the cladding tube wall, thereby forming a primary preform which has a hollow core region and an inner jacket region; and elongating the primary preform in order to form the hollow-core fiber or further processing the primary preform in order to form a secondary preform. The aim of the invention is to achieve a high degree of precision and an exact positioning of the anti-resonant elements in a sufficiently stable and reproducible manner on the basis of the aforementioned methods. This is achieved in that while further processing the primary preform according to step (c), an external layer cylinder is used which has a radial viscosity profile such that the viscosity increases towards the interior of the external layer cylinder. | 2022-09-15 |
20220291444 | OPTICAL FIBER - An optical fiber includes a glass portion, a primary coating layer, and a secondary coating layer. In the optical fiber, a value of microbend loss characteristic factor F | 2022-09-15 |
20220291445 | OPTICAL FIBER FOR DATA CENTERS - The disclosure provides optical fibers that exhibit low macrobend loss at 1550 nm at bend diameters between 10 mm and 40 mm. The relative refractive index profile of the fibers includes a trench cladding region with small depth, large width and a trench volume configured to minimize macrobend loss at large and small bend diameters. The optical fiber includes an outer cladding region that surrounds and is directly adjacent to the trench cladding region and an optional offset cladding region between the trench cladding region and the core region. In some embodiments, the trench cladding region has a relative refractive index that decreases monotonically from the inner radius to the outer radius. The monotonic decrease in relative refractive index may have a constant slope. The low macrobend loss at large and small diameters makes the optical fibers well suited for space-constrained deployment environments, such as data centers. | 2022-09-15 |
20220291446 | OPTICAL ANTENNA FOR PHOTONIC INTEGRATED CIRCUIT AND METHODS TO FORM SAME - Embodiments of the disclosure provide an optical antenna for a photonic integrated circuit (PIC). The optical antenna includes a semiconductor waveguide on a semiconductor layer. The semiconductor waveguide includes a first vertical sidewall over the semiconductor layer over the semiconductor layer. A plurality of grating protrusions extends horizontally from the first vertical sidewall of the semiconductor waveguide. | 2022-09-15 |
20220291447 | OPTICAL WAVEGUIDE ELEMENT - Provided is an optical waveguide element that prevents leaked light generated at a forking section from entering a downstream optical waveguide such as another forking section, thereby affording minimal degradation of optical characteristics. The optical waveguide is characterized in that: at least one of two fork waveguides ( | 2022-09-15 |
20220291448 | AN ATHERMAL ARRAYED WAVEGUIDE GRATING - An athermal arrayed waveguide grating includes a silicon-based substrate and an athermal arrayed waveguide disposed on the silicon-based substrate. The athermal arrayed waveguide includes a cladding layer and a waveguide chip layer, the waveguide chip layer is disposed on the cladding layer and has a refractive index greater than that of the cladding layer; the waveguide core layer includes multilayer structures having a periodic configuration, the multilayer structure includes two layers of silica material and a negative temperature coefficient material disposed between the two layers of silica material; the negative temperature coefficient material is used to compensate for a dimensional deformation of the silicon-based substrate after being heated. The present invention simplifies the structure of the athermal arrayed waveguide grating, sets the negative temperature coefficient material in the waveguide core layer structure, and makes the final temperature coefficient of refractive index of the waveguide structure is a negative number. | 2022-09-15 |
20220291449 | SEMICONDUCTOR PACAKGE, OPTICAL DEVICE AND METHOD OF FABRICATING THE SAME - An optical device includes an input array, an output array and a waveguide array. The input array is connected to a first slab structure, while the output array is connected to a second slab structure. The waveguide array is optically coupled to the first slab structure and the second slab structure. The waveguide array includes a first connecting part, a second connecting part and a plurality of waveguide channels. The first connecting part is joined with the first slab structure. The second connecting part is joined with the second slab structure, wherein the second connecting part includes a central portion and at least one flank portion, the central portion is connected to and overlapped with the second slab structure, and the at least one flank portion extends over a side surface of the second slab structure. The waveguide channels are joining the first connecting part to the second connecting part. | 2022-09-15 |
20220291450 | HETEROGENEOUS RARE-EARTH DOPED SYSTEMS - Technologies for a strong rare-earth-ion interactions are disclosed. In the illustrative embodiment, a heterogeneous slot waveguide is formed with two layers of silicon surrounding a layer of Er:Y2O3, resulting in a waveguide that supports a TM mode with a strong confinement of electromagnetic field near the erbium dopants. The strong concentration of electromagnetic field and small mode volume allows for strong interactions between optical fields and the erbium dopants. In some embodiments, the slot waveguide structure may be configured as a microring resonator or a photonic crystal, resulting in small-mode-volume resonators with high Q-factors. In some embodiments, strong electro-optic and/or acousto-optic coupling may be achieved, resulting in quantum transducer able to coherently convert between signals in different systems. | 2022-09-15 |
20220291451 | OPTICAL FIBER CONNECTION - Optical fiber connections and their applications in downhole assemblies are described herein. The downhole assembly includes a well completion element with an end that couples with a corresponding well completion element. An optical fiber extends along at least a portion of the well completion element and transmits an optical signal using a first mode. The well completion element includes an optical fiber connector that is coupled to the optical fiber. The connector also includes a mode converter that receives the optical signal from the optical fiber and converts the optical signal from the first mode to a second larger mode. This second larger mode may be more robustly communicated to a corresponding optical fiber connector affixed to the corresponding well completion element. | 2022-09-15 |
20220291452 | METHOD FOR ALIGNING MULTICORE FIBER, METHOD FOR MANUFACTURING MULTICORE FIBER CONNECTOR, DEVICE FOR ALIGNING MULTICORE FIBER, AND MULTICORE FIBER FUSION SPLICING MACHINE - A method for aligning multicore fiberS that has three or more cores disposed on a circumference centered on a central axis of a clad includes: capturing a first set of images of side surfaces of each of the pair of multicore fibers before and after rotating each of the pair of multicore fibers by P° a number of times (N) rounded up so that N=360/P; determining, for each of the pair of multicore fibers, a similarity between an image of the first set of images before a rotation by P° and an image of the first set of images after the rotation by P° for each of the N times the multicore fiber is rotated by P°; determining specific relative rotation positions of the pair of multicore fibers in which a cross-correlation becomes highest; and rotating at least one of the pair of multicore fibers. | 2022-09-15 |
20220291453 | TERMINATING A CABLE ASSEMBLY WITH CONNECTORIZED PIGTAILS - A multi-fiber cable assembly includes a pigtail segments spliced to a trunk segment using multiple mass fusion splices. The splices are disposed within an encapsulation at a common axial location. A flexible conduit extends from one end of the encapsulation to protect bare fibers of the trunk segment. A protective sheath extends from the opposite end of the encapsulation to protect the pigtail segments. The conduit and sheath are axially fixed to the encapsulation. | 2022-09-15 |
20220291454 | DETERMINING TEMPERATURE-VARYING SIGNAL EMISSIONS DURING AUTOMATED, RANDOM-ACCESS THERMAL CYCLING PROCESSES - A first time/temperature data set includes temperatures and time stamps recorded at time intervals during a first thermal cycling process and a time stamp for each time interval, and a second time/temperature data set includes temperatures and time stamps recorded at time intervals during a second thermal cycling process. Signal emissions at different signal detecting positions are sequentially measured at different time intervals to generate first and second time/signal emission data sets for receptacles subject to the first and second thermal cycling processes, respectively. Signal emissions of receptacles subject to the first thermal cycling process are synchronized with specific temperatures of the first thermal cycling process by comparing time stamps of the first time/signal emission data set for each receptacle with the time stamps of the first time/temperature data set that correspond with the specific temperature. Signal emissions of receptacles subject to the second thermal cycling process are synchronized with specific temperatures of the second thermal cycling process by comparing time stamps of the second time/signal emission data set for each receptacle with the time stamps of the second time/temperature data set that correspond with the specific temperature. | 2022-09-15 |
20220291455 | LIGHTING AND PROCESSING FOR MICROSCOPIC MEASUREMENT OF A POLISH RADIUS AND AN APEX OFFSET OF A FIBER OPTIC CONNECTOR - A microscope may receive a fiber optic connector via a connector adapter that includes an opening and may align a ferrule of the fiber optic connector with the opening of the connector adapter, where the ferrule includes a ferrule endface. The microscope may transmit light onto the ferrule endface and may receive reflected light, as an image of the ferrule endface, with a camera of the microscope. The microscope may determine intensities of brightness of the image and may create a topographical map of the intensities of the brightness of the image. The microscope may determine a radius and an apex of the ferrule endface based on the topographical map and may calculate an apex offset of the ferrule endface based on the radius and the apex of the ferrule endface. The microscope may perform one or more actions based on the apex offset of the ferrule endface. | 2022-09-15 |
20220291456 | DEVICE FOR ALIGNING OPTICAL FIBERS - The present disclosure relates to a fiber alignment device including a guide feature defining a fiber alignment groove. The fiber alignment device also includes a fiber engagement component defining a reference surface arrangement and elastic cantilever arms for pressing optical fibers into the fiber alignment groove. First portions of the guide feature engage the reference surface arrangement. Second portions of the guide feature engage the cantilever arms to flex the cantilever arms to a staged position. | 2022-09-15 |
20220291457 | RESTRAINING MECHANISMS AND METHOD FOR RESTRICTING COMPONENT MOVEMENT DURING CURING FOR A FIBER OPTIC CONNECTOR - A retaining mechanism engages springs in a fiber optic connector to prevent movement of the springs relative to the fiber optic ferrules and the housing during curing of an epoxy inserted into the fiber optic connector. The retaining mechanism may be removably attached to the housing of the fiber optic connector. It may be inserted from a rear end of the fiber optic connector or disposed around an outside portion of the housing. The retaining mechanism may also be integral with an inside surface of the housing. | 2022-09-15 |
20220291458 | Fiber Optic Guide Pin Changer and Field Tool with Adapter - A pin exchanger has protrusions from gripping elements that engage fiber optic guide pins. Guide beams on the pin exchanger provide a reference for aligning the guide pins and the pin exchanger with a fiber optic connector and a fiber optic ferrule. An adapter is also provided that has openings to receive the guide beams. The adapter is preferably installed in a field tool and together they engage the fiber optic connector, align the pin exchanger and move the guide pin holder to allow guide pins to be inserted or removed. | 2022-09-15 |
20220291459 | SYSTEM AND METHOD FOR OPTICAL COMMUNICATIONS USING CWDM FERRULE MATED TO A NON-CWDM FERRULE - An assembly of two fiber optic ferrules allows for the mating of a CWDM fiber optic ferrule with a non-CWDM fiber optic ferrule. The CWDM fiber optic ferrule has optical fibers that carry optical beams with at least two different wavelengths, which the non-CWDM ferrule has optical fibers that carry only one wavelength. The CWDM fiber optic ferrule causes the optical beam to make at least one 90 degree turn. The non-CWDM fiber optic ferrule has a lens pitch that matches the CWDM ferrule. | 2022-09-15 |
20220291460 | HOLOGRAM DISPLAY DEVICE - A hologram display device includes a light source unit, a light guide plate, a spatial light modulator, a sensing unit, and a light source driving unit. The light source unit includes a plurality of light sources and emits light when at least one of the plurality of light sources is turned on. The light guide plate converts the light emitted thereto from the light source unit to a planar light beam. The spatial light modulator spatially modulates the planar light beam to produce a hologram image. The sensing unit senses a position of a user watching the hologram image, and the light source driving unit turns on the at least one of the plurality of light sources, based on information on the position of the user obtained by the sensing unit. | 2022-09-15 |
20220291461 | OPTICAL FIBER-TO-CHIP INTERCONNECTION - An apparatus includes a fiber-optic connector configured to be connected between one or more optical fibers having a plurality of fiber cores and a photonic integrated circuit including a plurality of vertical-coupling elements disposed along a main surface of the photonic integrated circuit. The fiber-optic connector includes a polarization beam splitter and a patterned birefringent plate. The polarization beam splitter is configured to split an incident light beam from a corresponding fiber core into a first beam having a first polarization and a second beam having a second polarization different from the first polarization. The patterned birefringent plate includes a first region and a second region, the first region has a first optical birefringence, the second region has a second optical birefringence that is different from the first optical birefringence. The difference in the first and second optical birefringence is caused by performing at least one of (i) applying localized heating to the first region without applying localized heating to the second region to cause the first region to have a lower birefringence as compared to the second region, or (ii) applying different amounts of localized heating to the first and second regions to cause the first region to have a first birefringence and the second region to have a second birefringence different from the first birefringence. | 2022-09-15 |
20220291462 | METHOD TO COUPLE LIGHT USING INTEGRATED HEAT SPREADER - Embodiments disclosed herein include photonics systems and packages. In an embodiment, a photonics package comprises a package substrate and a photonics die overhanging an edge of the package substrate. In an embodiment, the photonics die comprises a v-groove for receiving an optical fiber. In an embodiment, the photonics package further comprises an integrated heat spreader (IHS) over the photonics die. In an embodiment, the IHS comprises a foot, and a hole through the foot is aligned with the v-groove. | 2022-09-15 |
20220291463 | OPTO-ELECTRIC COMPOSITE TRANSMISSION MODULE - An opto-electric composite transmission module includes a printed wiring board, an electrical connector provided on the printed wiring board, and an opto-electric hybrid board which is electrically connected to the printed wiring board via the electrical connector. The opto-electric hybrid board has a long shape. The opto-electric hybrid board includes an opto-electric conversion portion including a flexible wiring board, a metal support layer, and an optical waveguide film in order in a thickness direction, and an electrical connection portion disposed in one end portion in a longitudinal direction of the opto-electric hybrid board and including the flexible wiring board, and the metal support layer and/or the optical waveguide film. The electrical connection portion is inserted into the electrical connector. | 2022-09-15 |
20220291464 | PHOTONICS CHIPS WITH AN EDGE COUPLER AND A CONTINUOUS CRACKSTOP - Structures including an edge coupler and a crackstop, as well as methods of forming a structure including an edge coupler and a crackstop. A waveguide core and a crackstop are located over a top surface of a dielectric layer. A communication passageway is either optically coupled or electrically coupled to the waveguide core. The communication passageway, which may include an electric conductor or a buried waveguide core, extends laterally beneath the crackstop. | 2022-09-15 |
20220291465 | OPTOELECTRONIC DEVICE COMPRISING AN ACTIVE PHOTONIC INTERPOSER TO WHICH A MICROELECTRONIC CHIP AND AN ELECTRO-OPTICAL CONVERSION CHIP ARE CONNECTED - The invention relates to an optoelectronic device | 2022-09-15 |
20220291466 | OPTICAL CONNECTOR AND METHODS OF MODIFYING OPTICAL CONNECTOR - A fiber optic ribbon is disclosed and includes a plurality of optical fibers extending along a first axis and arranged along an orthogonal second axis at a pitch P. Each optical fiber includes a core surrounded by a cladding surrounded by a buffer, the buffer has a nominal diameter D0 substantially equal to P. The buffer is stripped between a buffer-end location on the fiber and a free end of the fiber to form a stripped section. The buffer is distorted at the buffer-end location, such that at the buffer-end location, a width W of the buffer in the second axis is less than D0. | 2022-09-15 |
20220291467 | OPTICAL FIBER CABLE WITH REINFORCEMENT - An optical communication cable includes a cable jacket formed from a first material, a plurality of core elements located within the cable jacket, and an armor layer surrounding the plurality of core elements within the cable jacket, wherein the armor layer is a multi-piece layer having a first armor segment extending a portion of the distance around the plurality of core elements and a second armor segment extending a portion of the distance around the plurality of core elements, wherein a first lateral edge of the first armor segment is adjacent a first lateral edge of the second armor segment and a second lateral edge of the first armor segment is adjacent a second lateral edge of the second armor segment such that the combination of the first armor segment and the second armor segment completely surround the plurality of core elements. | 2022-09-15 |
20220291468 | SYSTEM AND METHOD OF CONTROLLING A STRANDER BY WIRELESS VISUAL MONITORING OF A SUBUNIT REEL - Disclosed herein is a system and method of controlling a strander by wireless visual monitoring. In certain embodiments, a stranding system includes at least one vision device mounted to a rotating structure of a strander. The at least one vision device is configured to capture a view of at least a portion of a subunit reel of at least one of a set of payoff units of the rotating structure to generate vision data. The stranding system further includes at least one wireless communication module mounted to the rotating structure to receive and wirelessly transmit the vision data over a high-bandwidth data link. The stranding system is configured to proactively identify payout hazards of the subunit package (e.g., cable crossover) to, for example, prevent damage to the strander. | 2022-09-15 |
20220291469 | SLIDEABLE TRAY ASSEMBLY WITH LABEL HOLDER - There is disclosed a fiber optic cassette cabinet assembly comprising a plurality of trays, each tray comprising a flat surface for receiving fiber optic cassettes arranged side by side, a second flat surface positioned in front of the cassettes received on the tray and pivotally mounted about a first axis between the forward ends and a label holder positioned above the second flat surface and pivotally mounted about a second axis between the forward ends. The tray is moveable between one of a retracted position, where the cassettes are completely within the tray receiving space, and an extended position where the cassettes extend at least partially in front of the cabinet opening. In the extended position a forward edge of the second surface is tiltable downwards about the first axis and a forward edge of the transparent label holder is tiltable upwards about the second axis. | 2022-09-15 |
20220291470 | FIBER OPTIC CABLE MANAGEMENT TRAYS; ASSEMBLIES; AND METHODS - A telecommunications assembly includes a tray, and telecommunications components. The telecommunications components include fiber routing modules selectively mountable in a plurality of positions to define different fiber pathways. Splice holder modules are used with the fiber routing modules. Attachment features between the tray and modules include a dovetail feature, and crush bumps, biased ends, and defined lengths to protect fibers being managed on the tray. | 2022-09-15 |
20220291471 | SYSTEMS AND METHODS OF MANAGING CABLES IN TELECOMMUNICATION SYSTEMS - Cable managers are provided. A cable manager includes a body configured to be selectively engaged with a loose end of a first cable, wherein the body defines an effective unbiased length, as measured in an unbiased state, and an effective biased length, as measured in a biased state, and wherein the effective biased length is greater than the effective unbiased length. | 2022-09-15 |
20220291472 | OPTICAL FIBER - An optical fiber ( | 2022-09-15 |
20220291473 | SPLIT CAMERA LENS AND ASSEMBLY METHOD THEREOF, CAMERA MODULE, AND TERMINAL DEVICE - Disclosed are a split camera lens ( | 2022-09-15 |
20220291474 | LENS BARREL AND IMAGING DEVICE - A lens barrel, that can be made thinner, has a lens holding frame that holds a lens; a driving part that is held by the lens holding frame; aperture blades including a first engaging part and a second engaging part; a first member that engages with the first engaging part and can be rotated around an optical axis by the driving part; and a second member that engages with the second engaging part and is provided with the aperture blade arranged between the second member and the first member. | 2022-09-15 |
20220291475 | CAMERA MODULE - A camera module includes a first lens module, including a first lens group, configured to move along an optical axis; a first driver configured to drive the first lens module; a second lens module including a second lens group, disposed on the first lens module, configured to move along the optical axis when the first lens module is driven by the first driver; a second driver configured to drive the second lens module independent of the first lens module; and a housing configured to accommodate the first lens module and the second lens module. The first lens group and the second lens group are sequentially arranged in a direction toward an image sensor along the optical axis. | 2022-09-15 |
20220291476 | DUAL CAMERA MODULE AND OPTICAL DEVICE - The present embodiments relate to a dual camera module comprising: a first camera module including a first lens module and a first image sensor disposed below the first lens module; and a second camera module including a second lens module and a second image sensor disposed below the second lens module, wherein the second camera module has a wider angle of view than the first camera module, and the second image sensor is disposed at a position higher than the first image sensor. | 2022-09-15 |
20220291477 | LENS BARREL AND CAMERA EQUIPPED WITH SAME - It is an object of the present disclosure to provide a lens barrel with which looseness caused by a gap formed between a fixed barrel and a cam barrel can be effectively suppressed without increasing the rotational torque of the cam barrel, as well as a camera equipped with this lens barrel. A lens barrel | 2022-09-15 |
20220291478 | HEAD MOUNTED DISPLAY - The present disclosure provides a head mounted display that comprises display lenses, a frame body and at least one magnetic attraction part. The display lenses are configured to display augmented reality or virtual reality image content. The frame body comprises a carrying part configured to carry the display lenses. The at least one magnetic attraction part is disposed on the frame body and configured to magnetically attract a first lens unit or a second lens unit, so that the first lens unit or the second lens unit is attached to the frame body. The first lens unit comprises first magnetic elements, and the second lens unit comprises second magnetic elements. | 2022-09-15 |
20220291479 | LENS BARREL - A lens barrel includes an electric contact fixed to a mount, a first substrate disposed between a fixed barrel and the mount, a second substrate connected to the first substrate and the electric contact while forming a folded portion, and disposed so as to overlap the first substrate when viewed from an optical axis direction, a plurality of first elastic members held by the fixed barrel and configured to position and hold the first substrate in a direction orthogonal to an optical axis, and a second elastic member held by the fixed barrel and disposed between the fixed barrel and the first substrate. The first substrate is urged toward the fixed barrel in the optical axis direction by a force from the folded portion, and contacts the second elastic member on a surface on a side of the fixed barrel of the first substrate. | 2022-09-15 |
20220291480 | Mount Pad - According to one implementation a mount pad is provided that includes a plurality of arcuate flexure members disposed between and connected to top and bottom plates. According to some implementations a majority or all of the arcuate flexure members have a semi-circular cross-section and are arranged to form a plurality of radially spaced-apart concentric rings. Concave surfaces of the arcuate flexure members face radially inward toward a center of the concentric rings. Circumferential adjacent arcuate flexure members in each of the concentric rings are circumferentially spaced apart from one another so that a gap exists between them. According to some implementations the mount pad further includes a coupling unit prolonging from one of the top and bottom plates, the coupling unit facilitating a connection of the mount pad to a support structure. According to some implementations the mount pad is a monolithic structure. According to some implementations the monolithic structure is made using an additive manufacturing method. | 2022-09-15 |
20220291481 | IMAGING LENS SYSTEM AND IMAGING APPARATUS INCORPORATING THE SAME - An imaging lens system includes a first group having positive power and a second group having positive power disposed in that order from an object side to an image. The first group includes a first sub-group and a second sub-group. The second group includes a third sub-group, a stop, and a fourth sub-group. Conditional expressions (1), (2), and (3) below are satisfied: | 2022-09-15 |
20220291482 | OPTICAL IMAGING LENS ASSEMBLY - The present disclosure discloses an optical imaging lens assembly, comprising, sequentially along an optical axis from an object side to an image side: a first lens, having a positive refractive power; a second lens, having a negative refractive power; and a third lens, having a positive refractive power. A magnification M of the optical imaging lens assembly satisfies: 0.52022-09-15 | |
20220291483 | OPTICAL IMAGING LENS - An optical imaging lens including a front lens element group, a minimum-aperture light-shielding sheet and a rear lens element group sequentially arranged along an optical axis from an object side to an image side is provided. The front lens element group includes a first lens element. The first lens element includes a first surface facing the object side and a second surface facing the image side. The first surface includes an object-side surface allowing imaging rays to pass through and a non-optical effective area. The second surface includes an image-side surface allowing imaging rays to pass through and a non-optical effective area. The optical imaging lens further includes a light-absorbing layer disposed on the non-optical effective area of the second surface and an optical film disposed on a first surface of the minimum-aperture light-shielding sheet. The optical imaging lens satisfies the conditions of 2.200≤RLavg/RS0avg and RLavg≤3.000%. | 2022-09-15 |
20220291484 | THREE-PIECE COMPACT OPTICAL LENS SYSTEM - A three-piece compact optical lens system includes, in order from the object side to the image side: a flat panel assembly, a first lens element; a stop; a second lens element; and a third lens element. Wherein a distance from an object to an image plane along the optical axis is OTL, a distance from an image-side surface of the flat panel to the image plane along the optical axis is PTL, an image height of the image plane is Y, an object height of a chief ray of the image height of the image plane which corresponds to the image-side surface of the flat panel is P, and they satisfy the relations: 2.5 mm2022-09-15 | |
20220291485 | Optical Imaging System - The disclosure provides an optical imaging system, sequentially including from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a diaphragm; a fourth lens with a negative refractive power; a fifth lens with a positive refractive power, an image-side surface thereof is a concave surface; a sixth lens with a refractive power, an image-side surface thereof is a convex surface; and a seventh lens with a refractive power. At least one mirror surface from an object-side surface of the first lens to an image-side surface of the seventh lens is an aspheric mirror surface. A maximum field of view FOV of the optical imaging system and a distance SD from the diaphragm to the image-side surface of the seventh lens on the optical axis satisfy: 2.5 mm | 2022-09-15 |
20220291486 | OPTICAL LENS SYSTEM, CAMERA AND TERMINAL - The present disclosure relates to a six-piece optical lens system comprising, in order from the object side surface to the image side surface, a 1st lens element with a positive refractive power; a 2nd lens element with a negative refractive power; a 3rd lens element with a positive refractive power; a 4th lens element with a negative refractive power; a 5th lens element with a positive refractive power, having a convex image-side surface in the center; and a 6th lens element. It satisfies the relations: 1.052022-09-15 | |
20220291487 | OPTICAL SYSTEM - An optical system includes a first lens having negative refractive power and having two concave surfaces, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having refractive power. The first to seventh lenses are sequentially disposed from an object side. | 2022-09-15 |
20220291488 | ZOOM OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM OPTICAL SYSTEM - A variable-power optical system (ZL) comprises a first lens group (G | 2022-09-15 |
20220291489 | OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE OPTICAL SYSTEM - An optical system (LS) has an aperture stop (S), and a negative lens (L | 2022-09-15 |
20220291490 | ZOOM OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM OPTICAL SYSTEM - This variable magnification optical system comprises a front lens group and a rear lens group, which are arranged in order from the object side along an optical axis, and the rear lens group comprises a first focusing lens group having positive refractive power, and a second focusing lens group disposed on the image surface side of the first focusing lens group and having negative refractive power. When the magnification is changed, the spacing between lens groups adjacent to each other changes, at the time of changing from focusing on an object at infinity to focusing on an object at a short distance, the position of the front lens group is fixed, the first focusing lens group and the second focusing lens group respectively move to the image surface side along different trajectories, and the following conditional expression is satisfied. 0.05<(−fF2)/ft<0.50 where fF2 is the focal length of the second focusing lens group, and ft is the focal length of the variable magnification optical system in a telephoto end state. | 2022-09-15 |
20220291491 | Lens Assembly - A lens assembly includes a first lens group, a second lens group, a third lens group, a fourth lens group, a fifth lens group, and a reflective element. The first lens group is with positive refractive power. The second lens group is with negative refractive power. The third lens group is with positive refractive power. The fourth lens group is with negative refractive power. The fifth lens group is with positive refractive power. The reflective element includes a reflective surface. A light from an object side sequentially passes through the first lens group, the second lens group, the third lens group, the fourth lens group, and the fifth lens group to a second side. The reflective element is disposed between a first side and the second side. Intervals of the lens groups are changeable, so that the lens assembly can change the effective focal length. | 2022-09-15 |
20220291492 | SHAPED REFLECTOR FOR ALTERNATIVE MICROSCOPY LIGHTING TECHNIQUES - A microscope may receive a fiber optic connector via a connector adapter of the microscope, wherein the connector adapter includes an opening and a shaped reflective surface surrounding the opening. The microscope may align a ferrule of the fiber optic connector with the opening of the connector adapter of the microscope, wherein the ferrule includes a ferrule endface. The microscope may transmit light onto the shaped reflective surface and may receive reflected light from the ferrule endface and with a camera of the microscope. | 2022-09-15 |
20220291493 | ILLUMINATION DEVICE FOR A CONFOCAL MICROSCOPE - The invention relates to an illumination device, in particular for a confocal microscope. The object of the invention is to provide an illumination device which operates with a plurality of current-modulated semiconductor-based light sources, in which the light emission is as free as possible from distortions due to dynamic delays of the light emission in the output beam. To this end, the proposed illumination device comprises:
| 2022-09-15 |
20220291494 | CONFOCAL SCANNER AND CONFOCAL MICROSCOPE - A confocal scanner includes a first disk which comprises a plurality of microlenses, a second disk which comprises a plurality of pinholes formed to be associated with the microlenses, wherein the second disk rotates together with the first disk, a light guider which guides a plurality of rays of split light split by the microlenses within the first region to a second region set in the first disk, and a beam splitter which is disposed between the one surface of the first disk and the another surface of the second disk, wherein light which has passed through the microlenses within the second region transmits through the beam splitter, and the beam splitter reflects light incident from the second disk toward an outward side of the first disk and the second disk in a radial direction. | 2022-09-15 |
20220291495 | MULTI-FOCAL LIGHT-SHEET STRUCTURED ILLUMINATION FLUORESCENCE MICROSCOPY SYSTEM - A multi-focal light-sheet structured illumination system that can be implemented as a part of a commercial fluorescence microscope or a module that is adaptable to fit a number of commercially available microscopes. The system provides simultaneous capture of 2D images from multiple planes within a 3D volume, which are resolved laterally and axially to provide improved resolution along the three dimensions (x,y,z). A Wollaston prism allows several axially-localized high-contrast structured illumination patterns to be generated. | 2022-09-15 |
20220291496 | CHROMATIC LIGHT SHEET MICROSCOPE - Methods, apparatus and systems that relate to a portable chromatic light microscope are described. One example chromatic light microscope includes a light source including light producing elements that produce non-monochromatic output light that can be modulated. The chromatic light microscope further includes an illumination subsection to receive light that is output from the light source. The illumination subsection includes one or more lenses to spatially disperse spectral contents of the light that is received by the illumination subsection and to deliver light having chromatic aberration to a target object. The chromatic light microscope also includes an imaging subsection that includes one or more lenses to receive scattered light from the target object and to deliver the same to a sensor, and a linear variable filter to selectively pass a portion of the light having a particular spectral range of wavelengths to the sensor. | 2022-09-15 |
20220291497 | SHAPED REFLECTOR FOR COAXIAL ILLUMINATION OF NON-NORMAL SURFACES - A microscope may receive a fiber optic connector via a connector adapter of the microscope, wherein the connector adapter includes an opening and a shaped reflective surface surrounding the opening. The microscope may align a ferrule of the fiber optic connector with the opening of the connector adapter of the microscope, wherein the ferrule includes a ferrule chamfer or a ferrule radius. The microscope may transmit direct light onto the shaped reflective surface and may receive reflected light from the ferrule chamfer or the ferrule radius and with a camera of the microscope. | 2022-09-15 |
20220291498 | COMPACT, HAND-HELD, PORTABLE, STABLE MONOCULAR - A compact, hand-held monocular device having excellent stability in view of its construction which allows the device to be held against the side of the head of the user. The device is of unitary construction, without assembly of multiple parts necessary, and can be manipulated between an active, in-use configuration which allows one-handed operation, and a storage configuration wherein the device folds flat, allows protection of the optics and storage in a small space such as a pocket or purse or hung on a neck lanyard. | 2022-09-15 |
20220291499 | OBSERVATION APPARATUS CAPABLE OF OMNIDIRECTIONAL OBSERVATION WITHOUT BLIND ZONE - Disclosed is an observation device for measuring an observation object while tracking the observation object by rotating an observation unit ( | 2022-09-15 |
20220291500 | High Contrast Spatial Light Modulator - Microelectromechanical systems based spatial light modulators (SLMs), and display systems and methods for operating the same are described. Generally, the SLM includes a linear array of a number of electrostatically deflectable ribbons suspended over a surface of a substrate. Each ribbon includes a split-ribbon portion with a plurality of diffractors, each diffractor including a first light reflective surface on a linear portion of the split-ribbon portion and an opening through which a second light reflective surface affixed to the substrate is exposed. The first light reflective surface and the second light reflective surface have equal areas, and when one or more of the ribbons is deflected towards the surface of the substrate a coherent light reflected from the first light reflective surface is brought into constructive or destructive interference with light reflected from the second light reflective surface. The display system can include a projector or a head mounted unit. | 2022-09-15 |
20220291501 | SYSTEM AND METHOD FOR FACILITATING OPTICAL RASTER SCANNING - One embodiment provides an apparatus for facilitating raster scanning of an optical spectrometer. The apparatus can include an enclosure, a lens holder situated within the enclosure, and an actuation mechanism coupled to the lens holder. The lens holder is configured to hold a lens that focuses excitation light onto a sample surface, and the actuation mechanism is configured to cause the lens holder to perform a motion according to a predetermined pattern, thereby causing the focused excitation light to raster scan the sample surface. | 2022-09-15 |
20220291502 | OPTICAL SCANNING SYSTEM - An optical scanning system, including a laser source, an optical module, a scanning reflection element, and a controller, is provided. The laser source is configured to emit a laser beam. The optical module is disposed on an optical path of the laser beam and has a first axial direction and a second axial direction perpendicular to each other. The laser beam is focused onto the scanning reflection element in the first axial direction, and is collimated and transmitted to the scanning reflection element in the second axial direction after passing through the optical module. The scanning reflection element reflects the laser beam to an object to be scanned and forms a one-dimensional scanning beam thereon. The controller is electrically connected to the scanning reflection element and controls an action thereof, so that the one-dimensional scanning beam scans the object to be scanned along a scanning direction. | 2022-09-15 |
20220291503 | OPTICAL DETECTION SYSTEM AND METHOD CAPABLE OF AUTOMATICALLY REMOVING FOREIGN SUBSTANCES - The present invention provides an optical detection system and a method capable of automatically removing foreign substances. The optical detection system comprises an optical sensing device including a housing, a transparent cover, an optical sensor, a lens module, a sealing material having flexibility and stiffness, and a piezoelectric component. The sealing material with an annular flake shape is provided between the transparent cover and the piezoelectric component, and extended and fixed to the housing to seal the internal space defined by the housing and the transparent cover. The piezoelectric component performs vibration, which is transmitted to the transparent cover through the sealing material to remove foreign substances from the transparent cover. Thereby, an excellent removing ability for foreign substances can be achieved by effective vibration transmission, and effects of reducing load and power consumption, prolonging service life, and preventing leakage of moisture or water can also be achieved. | 2022-09-15 |
20220291504 | COMPACT EYEPRINT IMAGING DEVICE - A compact eyeprint imaging device is provided. The device includes a plano-convex lens, a right angle triangular prism, a micro lens array, an imaging detector and an external package. The plano-convex lens and the micro lens array are glued on an inclined face of the right angle triangular prism and two right angle faces of the right angle triangular prism are coated with reflecting films, so as to form an integrated combined optical unit, which is inserted into the external package together with the imaging detector. The device is wholly installed on a glasses frame. Light emitted by the eyeprint passes through the plano-convex lens to form parallel light beams, which are reflected twice through the two right angle faces of the right angle triangular prism and then focused through the micro lens array, so as to form a multi-aperture eyeprint image array on the imaging detector. | 2022-09-15 |
20220291505 | VEHICLE DISPLAY DEVICE - A vehicle display device includes a display that emits a display image to be projected onto a windshield provided to a vehicle, as display light, at least one reflecting mirror that is disposed on an optical path of the display light from the display to the windshield and reflects the display light, an optical sensor that detects external light (SL) incident from an opening through which an outside and an internal space are communicated with each other, a temperature sensor that detects a temperature of the display, a dimming member that is disposed on the optical path of the display light, and a controller that causes the dimming member to be switched between a state with a first transmissivity and a state with a second transmissivity smaller than the first transmissivity. | 2022-09-15 |
20220291506 | HEAD-UP DISPLAY - A head-up display that projects a virtual image onto a display medium includes: a display that emits display light that forms an image to be displayed; and a first mirror that forms a virtual image on a side opposite an observer across the display medium by guiding an image displayed by the display to the display medium. The first mirror includes: a base having a first surface and a second surface on opposite sides of the base; and a reflection surface provided on the first surface. The base includes an end portion including a rough surface and provided between the reflection surface on the first surface and a perimeter of the base. A rib is provided on a rear side of the end portion. | 2022-09-15 |
20220291507 | SYSTEMS AND METHODS FOR REDUCING STRAY LIGHT IN AUGMENTED REALITY AND RELATED APPLICATIONS - Systems and apparatus for managing stray light in augmented reality, mixed reality, enhanced reality, and similar applications. | 2022-09-15 |
20220291508 | OPTICAL APPARATUS FOR AUGMENTED REALITY WITH VISION CORRECTION FUNCTION - The present invention is directed to an optical apparatus for augmented reality with a vision correction function. The optical apparatus for augmented reality with a vision correction function includes: an image output unit configured to output augmented reality image light; a reflective unit configured to transfer the augmented reality image light to the pupil of a user's eye; and an optical means configured such that the reflective unit is disposed therein, and configured to transmit therethrough at least part of real object image light toward the pupil of the user's eye; wherein the optical means includes a first surface and a second surface; wherein the reflective unit is disposed inside between the first and second surfaces of the optical means; and wherein at least any one of the first and second surfaces of the optical means is formed as a curved surface. | 2022-09-15 |
20220291509 | HEAD-MOUNTED DISPLAY APPARATUS WITH AUTOFOCUS SYSTEM - The current invention concerns a head-mounted display apparatus, preferably smart glasses, with autofocus system, whereby the alignment of lens assembly and light beam emitter is improved. | 2022-09-15 |
20220291510 | ANGULAR PERFORMANCE OF APOCHROMATIC PANCHARATNAM BERRY PHASE COMPONENTS USING A C-PLATE - A near eye display (NED) includes multiple PBP optical elements combined with one or more C-plates to improve optical angular performance. The PBP optical elements may be configured for beam steering or for focusing light to a point. A C-plate may reduce or eliminate an undesirable polarization phase shift introduced by the PBP optical elements to angular, off-axis light. Birefringence of the PBP optical elements produces such a polarization phase shift. A C-plate provides an additional polarization phase shift that is opposite to the extra polarization phase shift by the PBP optical elements. Thus, the additional polarization phase shift by the C-plate at least partially reduces the phase shift by the PBP element. | 2022-09-15 |
20220291511 | OPTICAL MEMBER AND IMAGE DISPLAY APPARATUS - An object is to provide: an optical member with which an image display apparatus where multiple images are suppressed can be obtained; and an image display apparatus including the optical member. The optical member includes: a light guide element that includes a light guide plate, first and second incidence diffraction elements, and first and second emission diffraction elements; a wavelength selective retardation layer that functions as a retardation layer with respect to a specific wavelength range, the wavelength selective retardation layer changing a polarized state of light diffracted by the first or second emission diffraction element; and a polarizer, in which the first and second emission diffraction elements are polarization diffraction elements and diffract light components such that the diffracted light components are polarized light components having opposite properties, the first and second emission diffraction elements, the wavelength selective retardation layer, and the polarizer are provided to overlap each other in a main surface of the light guide plate, and the wavelength selective retardation layer is provided between the light guide element and the polarizer. | 2022-09-15 |
20220291512 | HEAD-MOUNTED DISPLAY, HEAD-MOUNTED DISPLAY LINKING SYSTEM, AND METHOD FOR SAME - A head-mounted display comprises: a wearing body; a display; a communication module configured to perform communication connection with a mobile information terminal; a field of view (FOV) sensor configured to output status data used for determining whether the mobile information terminal is included in a user's FOV through the wearing body; and a controller connected to each of the display, the communication module, and the FOV detection sensor. The controller determines whether the mobile information terminal is included in the user's FOV based on the status data, and performs display control with respect to the display so as to display an application screen of the mobile information terminal on the display when determining that the mobile information terminal is not included in the FOV, and not to display the application screen on the display when determining that the mobile information terminal is included in the FOV. | 2022-09-15 |
20220291513 | PHASED ARRAY OF ULTRASOUND TRANSDUCERS FOR DEPTH SENSING - A depth sensing system is configured to track one or both eyes of a user. The depth sensing system includes a transducer chip comprising a phased array of ultrasound transducers that transmit a signal at an eye of the user and detect a reflected signal from the eye. A controller estimates an orientation of the eye based on the reflected signals received by the phased array. The depth sensing system may be part of a headset that includes a display element configured to display content to a user wearing the headset. | 2022-09-15 |
20220291514 | HEAD-MOUNTED DEVICE - A head-mounted device includes a host shell, a tightness adjustment mechanism and a strap assembly, wherein the strap assembly includes two headband main bodies and two headband covers; the two headband main bodies are connected to two ends of the host shell and two ends of the tightness adjustment mechanism; the two headband covers are engaged with the two headband main bodies; and the distance between the end of each of the headband covers close to the tightness adjustment mechanism and the end of the tightness adjustment mechanism close to the headband cover is variable, and the variable distance is adjusted by means of the tightness adjustment mechanism. The tightness adjustment mechanism cooperates with the two headband main bodies such that the phenomenon of the device being loose or over-tight when worn can be avoided. | 2022-09-15 |
20220291515 | DISPLAY SYSTEM - A display system including a display device and a light combining device is provided. The display device includes a first display region and a second display region. The light combining device has a first surface and a second surface opposite to the first surface. The first surface is capable of reflecting a first light beam from the first display region to an observing region for forming a first virtual image. The second surface is capable of reflecting a second light beam from the second display region to the observing region for forming a second virtual image. A curvature of the first surface is different from a curvature of the second surface, and a position of the first virtual image is different from a position of the second virtual image. | 2022-09-15 |
20220291516 | LASER SYSTEM DELIVERING ULTRA-SHORT PULSES ALONG MULTIPLE BEAM DELIVERY PATHS - A laser system includes a laser source generating a laser beam having ultra-short pulses; a laser delivery assembly optically receiving the laser beam and comprising: a beam splitter configured to split the laser beam between a first beam delivery path and a second beam delivery path; and at least one focusing lens optically coupled to the beam splitter and configured to focus the laser beam from each of the first beam delivery path and the second beam delivery path to a focal point on a predefined plane; wherein the first beam delivery path intersects the predefined plane at a first angle, the second beam delivery path intersects the predefined plane at a second angle, and a first pulse from the first beam delivery path and a second pulse from the second beam delivery path are coincident at the focal point. | 2022-09-15 |
20220291517 | OPTICAL DEVICE, DISPLAY APPARATUS INCLUDING SAME, AND METHOD FOR EXTENDING LENGTH OF OPTICAL PATH - An optical device is provided. The optical device includes a display apparatus including the same, and a method of extending an optical path. The optical device includes at least one electroactive optical cell configured to adjust a phase profile of light, and an optical path extender to extend an optical path by allowing light to transmit through the at least one electroactive optical cell in opposite directions a plurality of times. | 2022-09-15 |
20220291518 | CAMERA ACTUATOR WITH MAGNET HOLDER HAVING MAGNETIC FIELD - In some embodiments, a camera includes a lens assembly in a lens carrier, an image sensor for capturing a digital representation of light transiting the lens, and a voice coil motor. In some embodiments, the voice coil motor includes a spring suspension assembly for moveably mounting the lens carrier to an actuator base, a plurality of permanent magnets mounted to the actuator base through a magnet holder assembly and a focusing coil fixedly mounted to the lens carrier and mounted to the actuator base through the suspension assembly. In some embodiments, the permanent magnets each generate a magnetic field of a respective permanent magnet field strength, and the magnet holder assembly generates a holder magnetic field of a holder magnetic field strength. | 2022-09-15 |
20220291519 | LIGHT GUIDE PLATE, DISPLAY DEVICE, INPUT DEVICE, AND APPARATUS INCLUDING DISPLAY DEVICE - A light guide plate according to one or more embodiments may include a first optical deflector that guides light to be emitted within a first angle range to display a stereoscopic image in a space, and a second optical deflector that guides light to be emitted within a second angle range to display a stereoscopic image at a same position as the stereoscopic image. Across a boundary between the first angle range and the second angle range, a discrete change occurs between luminance of a portion of the stereoscopic image and luminance of a portion of the stereoscopic image corresponding to the portion of the stereoscopic image. | 2022-09-15 |
20220291520 | 3D EYEWEAR ADAPTED FOR FACIAL GEOMETRY - Three dimensional (3D) glasses suited for wearers with varying facial geometries are disclosed. A particular embodiment includes a frame adapted to position spectrally filtering lenses at a particular distance from the eyes of the wearer. In a more particular embodiment, the 3D glasses include a means for adjusting the distance between the lenses and the eyes of the wearer. In another particular embodiment, the lenses include positive runout. | 2022-09-15 |
20220291521 | LIGHT GUIDE, ILLUMINATOR, AND STEREOSCOPIC DISPLAY - A light guide according to one or more embodiments may include an incident surface that receives light from a light source, a first reflective surface that reflects incident light, a second reflective surface that reflects light reflected by the first reflection surface to be parallel light, and an emission surface that may allow parallel light reflected by the second reflective surface to be emitted. The first reflective surface reflects light at a reflection angle nonuniform across the first reflective surface. The second reflective surface has a saw-toothed cross section. | 2022-09-15 |
20220291522 | PROJECTION PROCESSOR, SPATIAL PROJECTION APPARATUS, SPATIAL PROJECTION SYSTEM, AND SPATIAL PROJECTION METHOD - A projection processor includes a processing unit, and the processing unit obtains information concerning a first projected image which is projected by a projector to be formed on an image forming medium and corrects information concerning a second projected image which is formed on the image forming medium as projected light, which is to be refocused on an aerial space image forming section by a light guide optical system, based on the information concerning the first projected image obtained. | 2022-09-15 |
20220291523 | GLASSES FOR RETARDING MYOPIA PROGRESSION - Glasses for retarding myopia progression is provided, and include a frame ( | 2022-09-15 |