Class / Patent application number | Description | Number of patent applications / Date published |
359492010 | Polarization by optical activity | 38 |
20110075258 | LIGHT CONTROL FILMS AND METHOD THEREOF - A light control film including a polymer carrier film and a coating disposed on the carrier film and including dark colored or reflective particles dispersed within a cured resin matrix, the particles being aligned either perpendicular or parallel to a major surface of the carrier film, and method for making the same. | 03-31-2011 |
20110096396 | WIRE-GRID POLARIZER AND PROCESS FOR PRODUCING THE SAME - A wire-grid polarizer having a high polarization separation ability in the visible light region and an improved transmittance in a short wavelength region, and a process for easily producing such a wire-grid polarizer, are provided. | 04-28-2011 |
20110170189 | METHOD AND APPARATUS FOR PRIVACY ENHANCEMENT - A privacy-enhancement system includes a window that includes a first polarized filter and a media display that includes a second polarized filter. A polarization axis of the first polarized filter and a polarization axis of the second polarized filter are not parallel to one another. | 07-14-2011 |
20110199682 | BEAM COMBINER - The present invention provides a small and light beam combiner to be mounted in a micro-projector. The combiner includes a splitting film, a polarization rotator, and an edge filter film. The polarization rotator is next to the splitting film to rotate a polarization angle of a polarized light. An angle between the splitting film and the polarization rotator is about 45 degrees. The edge filter film is coated on the polarization rotator that the polarization rotator is between the splitting film and the edge filter film. | 08-18-2011 |
20110199683 | METHOD AND APPARATUS FOR DECORRELATION OF SPATIALLY AND TEMPORALLY COHERENT LIGHT - A method and apparatus for decorrelating coherent light from a light source, such as a pulsed laser, in both time and space in an effort to provide intense and uniform illumination are provided. The techniques and apparatus described herein may be incorporated into any application where intense, uniform illumination is desired, such as pulsed laser annealing, welding, ablating, and wafer stepper illuminating. | 08-18-2011 |
20110242657 | BI-LAYER ADHESIVE FOR LENS LAMINATION - A method for laminating a film on to an optical article and a bi-layer adhesive for use in the method. The bi-layer adhesive includes a latex adhesive layer or a specific silane adhesive and an HMA layer sequentially disposed on the film and dried to form a solid layer of uniform thinness throughout to provide optical quality. Various types of films may be employed to provide an optical function. Following optional pre-treatment steps, the adhesives are coated on to the film. An optical hot press technique is used to deliver heat and pressure over a short period of time to form a functionally-enhanced optical article with high adhesive strength. | 10-06-2011 |
20120002283 | METHOD AND APPARATUS FOR RAMAN CO-PUMPS - An example Raman co-pump apparatus includes a control module for controlling output received from at least one of a first laser and a second laser, said output of said first laser and said second laser for combining into a co-pump output, wherein the control module is configured to increase a frequency difference between said first laser and said second laser. The apparatus may also include at least one of a first laser for providing a first output, a second laser for providing a second output and a polarization beam combiner for combining the first and second output into the co-pump output. Spectral overlap of orthogonally polarized pump lasers is avoided via: 1) control of the frequency (wavelength) interleave and the mode spacing of co-pump lasers; 2) control of frequency (wavelength) offset of co-pump lasers to reduce spectral overlap; and 3) use a single co-pump laser with large mode spacing. | 01-05-2012 |
20120057233 | CURVED LENSES CONFIGURED TO DECODE THREE-DIMENSIONAL CONTENT - Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film or similar type of material laminated with triacetate or similar type material on one or both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to produce a desired circular polarization responsive to specified retardation wavelengths. Thermoforming and press polishing techniques may be used to fabricate/curve the blanks into lenses. The lenses (optical elements) may be used in an injection molding process to add thickness. | 03-08-2012 |
20120075699 | SEGMENTED FILM DEPOSITION - A segmented film deposition device and a method of performing segemented film deposition. A wire grid polarizer, with a separate, symmetrical, coating on top of each wire, without coating the substrate between the wires, can be made by this method. | 03-29-2012 |
20120081786 | LASER SPECKLE REDUCTION ELEMENT - Despeckle elements, laser beam homogenizers and methods for despeckling are provided. The despeckle element includes a transparent material having a first surface including a plural number of optical steps and a second surface having a plural number of microlenses. Each of the number of optical steps is in a one-to-one correspondence with at least one of the microlenses. One of the first surface and the second surface is configured to receive collimated light having a coherence length and a remaining one of the first surface and the second surface is configured to pass the collimated light separated into a plurality of beamlets corresponding to the number of microlenses. A height of each step of at least two of the optical steps is configured to produce an optical path difference of the collimated light longer than the coherence length. | 04-05-2012 |
20120194908 | 3D to 2D Polarized Down converting Glasses - A device to convert 3-D video to 2-D video may include a source of 3-D video to project a 3-D video image and a 2-D conversion device to convert the 3-D video image to a 2-D video image and to be worn by the user. The 2-D conversion device may be glasses having a first lens and a second lens, wherein the first lens and the second lens has the same type of filter, and the type of filter may be a linear polarization filter. | 08-02-2012 |
20120194909 | POLARIZATION FILM - A polarization film comprising at least a polarization layer that is subject to a laminating treatment to be stretched along a predetermined laminating direction in the plane of the polarization layer to realize polarization, and an adhesive layer that is provided on a surface of the polarization layer and capable of being affixed onto a base. The adhesive layer has a maximal shrinkage resistance in the laminating direction of the polarization layer | 08-02-2012 |
20120236411 | Microretarder Film - The present invention provides a micro-retarder film for a 2D/3D image switchable display. The micro-retarder film comprises a first homogenous layer, a microstructure phase layer with a plurality of retarder patterns formed on the first homogenous layer alternately, and a second homogenous layer formed on the microstructure phase layer. | 09-20-2012 |
20120287507 | WIRE GRID POLARIZERS, METHODS OF FABRICATING A WIRE GRID POLARIZER, AND DISPLAY PANELS INCLUDING A WIRE GRID POLARIZER - Wire grid polarizers, methods of fabricating a wire grid polarizer and display panels including a wire grid polarizer are provided, the methods include preparing a mold having a lower surface in which a plurality of parallel fine grooves are formed, and arranging the mold on a transparent substrate. The plurality of parallel fine grooves are filled with a conductive liquid ink. A plurality of parallel conductive nano wires are formed on the transparent substrate by curing the conductive liquid ink. The mold is removed. | 11-15-2012 |
20120300300 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER FOR OPTICAL FILM, PRESSURE-SENSITIVE ADHESIVE LAYER-ATTACHED OPTICAL FILM AND IMAGE DISPLAY - A pressure-sensitive adhesive composition for an optical film of the invention includes a (meth)acryl-based polymer(A), a polyether compound (B) having a polyether skeleton and a reactive silyl group and an ionic compound (C). The pressure-sensitive adhesive composition for an optical film has an antistatic function and can form a pressure-sensitive adhesive layer durable enough under severe conditions. | 11-29-2012 |
20120320459 | ADHESIVE FOR POLARIZING PLATE, POLARIZING PLATE, METHOD FOR PRODUCING SAME, OPTICAL FILM, AND IMAGE DISPLAY DEVICE - An object of the invention is to provide an adhesive for a polarizing plate that has high adhering strength, makes it possible to prevent a reduction in the light transmittance of a polarizing plate and to suppress the occurrence of knicks, and is less likely to cause a reduction in the light transmittance of a polarizing plate even in a humidified environment while having the above characteristics. The invention is directed to an adhesive for a polarizing plate for use in fixing a transparent protective film on at least one side of a polarizer, the adhesive including a resin solution containing a polyvinyl alcohol-based resin and a water-soluble silicate. | 12-20-2012 |
20130044374 | SYSTEM AND METHOD FOR MANUFACTURING OPTICAL DISPLAY DEVICE, SET OF MATERIAL ROLLS AND METHOD FOR MANUFACTURE THEREOF - A system for manufacturing an optical display device includes providing a roll of a belt-shaped sheet material including an optical film and a release film, which has score lines previously formed by cutting layers of the material other than the release film. The optical film is bonded to a rectangular optical display unit of the display device. In the bonding steps, a first optical film is divided by the score lines into pieces each having a length corresponding to a long side of the display unit, and a second optical film is divided by the score lines into pieces each having a length corresponding to a short side of the display unit. The first optical film has a first polarizing plate whose longitudinal direction is parallel to its absorption axis, and the second optical film has a second polarizing plate whose longitudinal direction is parallel to its absorption axis. | 02-21-2013 |
20130135728 | CONTINUOUS ROLL OF OPTICAL FUNCTION FILM, METHOD OF MANUFACTURE OF LIQUID CRYSTAL DISPLAY ELEMENT EMPLOYING SAME, AND OPTICAL FUNCTION FILM LAMINATING DEVICE - An objective of the present invention is to alleviate streaky display unevenness that occurs in liquid crystal display elements when feeding optical function film from a continuous roll having score lines in the width direction thereof and bonding the optical function film on a liquid crystal panel. A continuous roll comprises an optical film laminate ( | 05-30-2013 |
20130135729 | CONTINUOUS ROLL OF OPTICAL FUNCTION FILM, METHOD OF MANUFACTURE OF LIQUID CRYSTAL DISPLAY ELEMENT EMPLOYING SAME, AND OPTICAL FUNCTION FILM LAMINATING DEVICE - An objective of the present invention is to alleviate streaky display unevenness that occurs in liquid crystal display elements when feeding optical function film from a continuous roll having score lines in the width direction thereof and bonding the optical function film on a liquid crystal panel. A continuous roll comprises an optical film laminate ( | 05-30-2013 |
20130141788 | METHOD AND APPARATUS FOR DECORRELATION OF SPATIALLY AND TEMPORALLY COHERENT LIGHT - A method and apparatus for decorrelating coherent light from a light source, such as a pulsed laser, in both time and space in an effort to provide intense and uniform illumination are provided. The techniques and apparatus described herein may be incorporated into any application where intense, uniform illumination is desired, such as pulsed laser annealing, welding, ablating, and wafer stepper illuminating. | 06-06-2013 |
20130170035 | ADHESIVE, POLARIZING PLATE INCLUDING AN ADHESIVE LAYER PREPARED FROM THE ADHESIVE, AND OPTICAL MEMBER INCLUDING THE POLARIZING PLATE - An adhesive for adhering a protective film, the protective film having a water vapor transmission rate of about 100 g/m | 07-04-2013 |
20130201558 | FORMING LIGHT BEAMS AND PATTERNS WITH ZERO INTENSITY CENTRAL POINTS - In order to produce a beam with a zero intensity axial ray or to produce a beam that when focused will produce an image of a doughnut shaped pattern with a zero intensity central point, a beam with a uniform or Gaussian profile is directed to a plurality of transparent plates, arranged in pairs on opposite sides of the beam axis, such that for at least one pair, the plates have a composition and thickness different from each other, and chosen so that the transmitted light has a has a phase difference of half a wavelength for at least three different wavelengths. An additional plate with a center on the perpendicular of the line connecting the first two plates has a composition and thickness such that the light transmitted through that additional plate has a phase difference of a quarter wavelength with respect to the light transmitted through one of the plates of said first pair of plates, at at least one wavelength. | 08-08-2013 |
20130242394 | BEAM TRANSFORMING ELEMENT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND EXPOSURE METHOD WITH TWO OPTICAL ELEMENTS HAVING DIFFERENT THICKNESSES - A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light. | 09-19-2013 |
20130286479 | Polarization recycling structure - A polarization recycling structure that can recycle polarized light efficiently; according to its technical means, said polarization recycling structure is provided with an incident end enabling incident of unpolarized light and an outgoing end enabling radiation of vertical polarized light; it comprises: a first optical structure set adjacent to the incident end, a second optical structure adjacent to the outgoing end and a main gap set between the first and second optical structures; it is characterized by that: said first optical structure comprises of a first lens array and a first polarized grating that are arranged from the adjacent incident end to the main gap; said second optical structure comprises of a second polarized grating, a secondary gap, a louvered multi-twist retarder and a second lens array that are arranged from the adjacent main gap to the outgoing end. | 10-31-2013 |
20130286480 | RETARDATION PLATE AND ELECTRONIC APPARATUS - A retardation plate includes a first substrate, a retardation film disposed on the first substrate, a second substrate larger than the first substrate and covering the retardation film, a third substrate disposed such that the first substrate lies between the second substrate and the third substrate, and an inorganic sealing member air-tightly binding the second substrate and the third substrate together so as to air-tightly enclose the retardation film. | 10-31-2013 |
20130301129 | MULTILAYERED OPTICAL FILM, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE - An optical film includes: a polarization layer; a first phase retardation layer having an optic axis at an angle in a range from about 17 degrees to about 27 degrees or from about −27 degrees to about −17 degrees with respect to a transmission axis of the polarization layer; and a second phase retardation layer having an optic axis at an angle in a range from about 85 degrees to about 95 degrees with respect to the transmission axis of the polarization layer. The polarization layer, the first phase retardation layer, and the second phase retardation layer are deposited in sequence, the first phase retardation layer is a half-wave plate, the second phase retardation layer is a quarter-wave plate, and out-of-plane retardation values of the first phase retardation layer and the second phase retardation layer for incident light having the standard wavelength have opposite signs. | 11-14-2013 |
20130335824 | POLARIZATION FILM AND DISPLAY DEVICE - A polarization film including a polarizer polarizing incident light in a polarization direction and having a first polarization groove recessed from an upper surface of the polarizer and extending in a first direction; a first transparent support at the upper surface of the polarizer; and a second transparent support at a lower surface of the polarizer. | 12-19-2013 |
20140055856 | Method and Apparatus for Concealing Sensors and Other Components of Electronic Devices - A concealing structure to at least partially conceal a sensor, light emitter or other component by at least partially preventing reflection of external light by an underlying structure. In some examples, this function is performed by a two-component masking assembly, the masking assembly including a linear polarizer to cause linear polarization of light which passes from the exterior of the device to an underlying component, and a wave plate to shift the axis of any reflected polarized light. In many cases, a high density optical fluid will further be included within the masking assembly to minimize reflections from the other components of the assembly. | 02-27-2014 |
20140168773 | POLARIZER, MANUFACTURING METHOD THEREOF, AND 3D DISPLAY DEVICE - The present invention relates to the field of 3D display technology and provides a polarizer, manufacturing method thereof, and a 3D display device. According to the present invention, a transition layer is provided between an alignment layer and a supporting layer, and there is excellent wettability between the transition layer and the supporting layer as well as the alignment layer. The polarizer comprises a polarizing layer for producing linearly polarized light, a supporting layer located at one side of the polarizing layer, a transition layer arranged on one side of the supporting layer away from the polarizing layer, an alignment layer arranged on one side of the transition layer away from the polarizing layer, and an optical rotation layer arranged on one side of the alignment layer away from the polarizing layer. | 06-19-2014 |
20140340749 | Display apparatus - In a display apparatus, image light emitted from an image forming device is incident on an image light incidence portion of a light guide member after being diffracted by a second diffractive optical element, and emitted from an image light emission portion after moving forward in the light guide member. The image light emitted from the image light emission portion is diffracted by a first diffractive optical element and reaches the eyes of an observer. On a position where unnecessary external light is made incident on the light guide member, an external light noise reduction element which has a polarizing member and the like is provided. For this reason, even when the unnecessary external light is made incident on the light guide member, it is possible to inhibit the unnecessary external light from reaching the eye of the observer. | 11-20-2014 |
20150043073 | METHOD FOR PRODUCING LONG CIRCULAR POLARIZATION PLATE AND LONG CIRCULAR POLARIZATION PLATE - A production method for producing a thin circularly polarizing plate at a high productivity is provided. | 02-12-2015 |
20150315327 | PROCESS FOR PRODUCING POLYURETHANE RESIN - A process for producing a polyurethane resin of the present invention includes a step (i) of obtaining a prepolymer by adding an alcohol (B) to isocyanate (A) such that a ratio of hydroxyl groups to isocyanato groups of the isocyanate (A) falls into a range of 10 mol % to 20 mol % and reacting the isocyanate (A) with the alcohol (B) in the presence of an acidic phosphoric acid ester (C) and a hindered amine-based compound (D), a step (ii) of obtaining a polymerizable composition in a manner in which the alcohol (B) is further added to and mixed with the prepolymer at a temperature of equal to or less than 30° C., and a step (iii) of polymerizing the prepolymer and the alcohol (B) contained in the polymerizable composition. The isocyanate (A) contains an aromatic isocyanate and the alcohol (B) has two or more hydroxyl groups and is further defined. | 11-05-2015 |
20150355383 | ANTI-REFLECTION FILM AND PRODUCTION METHOD THEREFOR - There is provided an anti-reflection film that has an excellent reflection characteristic (low reflectivity) in a wide spectrum and has an excellent reflection hue that is close to neutral, and a method by which such anti-reflection film can be produced with high productivity and at a low cost. An anti-reflection film according to the present invention includes: a substrate; and a medium-refractive index layer, a high-refractive index layer, and a low-refractive index layer in the stated order from a substrate side. A refractive index n | 12-10-2015 |
20150378073 | POLARIZING PLATE AND IMAGE DISPLAY DEVICE - A polarizing plate includes an outer protective film and a polarizer. The sum S of the product of the modulus of elasticity and the cube of the thickness in each layer is up to 150,000 Pa·mm | 12-31-2015 |
20160002458 | CURED-FILM FORMATION COMPOSITION, ORIENTATION MATERIAL, AND RETARDATION MATERIAL - A cured-film formation composition for forming a cured film having photoreaction efficiency and solvent resistance, and high adhesiveness alignment uniformity, and an orientation material for photo-alignment, and a retardation material formed by use of the orientation material. A cured-film formation composition includes (A) a compound having a photo-aligning group and one substituent selected from a hydroxy group, a carboxy group, and an amino group; (B) a hydrophilic polymer having one or more substituents selected from a hydroxy group, a carboxy group, and an amino group; and (C) a polymer obtained by polymerizing a monomer including an N-hydroxymethyl compound or an N-alkoxymethyl (meth)acrylamide compound, and optionally further a cross-linking catalyst as a component (D). By use of the composition, a cured-film is formed and an orientation material is formed by utilizing photo-alignment technique. A retardation material is obtained by applying a polymerizable liquid crystal on the orientation material and curing it. | 01-07-2016 |
20160033702 | CURED FILM FORMATION COMPOSITION, ORIENTATION MATERIAL, AND RETARDATION MATERIAL - There is provided a cured-film formation composition that forms a cured film having excellent photoreaction efficiency and solvent resistance, and high adhesion, an orientation material for photo-alignment, and a retardation material formed with the orientation material. | 02-04-2016 |
20160036201 | LASER ELEMENT AND LASER DEVICE - The coordinates of an unit configuration region R | 02-04-2016 |
20160077239 | ANTIREFLECTIVE FILM, POLARIZING PLATE, COVER GLASS, IMAGE DISPLAY DEVICE, AND METHOD OF MANUFACTURING ANTIREFLECTIVE FILM - There is provided an antireflective film, including: a plastic substrate; a infiltration layer; and an antireflective layer containing metallic oxide fine particles with an average primary particle diameter of 50 nm to 250 nm and a viscosity increasing compound, in this order, wherein the infiltration layer contains a polymer of a (meth)acrylate compound having a molecular weight of 400 or less, and the antireflective layer has a moth-eye structure including an uneven shape formed by the metallic oxide fine particles. | 03-17-2016 |