Class / Patent application number | Description | Number of patent applications / Date published |
359485050 |
Wire grid polarizer
| 47 |
359485030 |
Multilayer polarizer
| 25 |
359485020 |
Brewster angle polarizer (reflective or transmissive) | 5 |
20110102891 | LOW LAYER COUNT REFLECTIVE POLARIZER WITH OPTIMIZED GAIN - Multilayer reflecting polarizing films are disclosed having increased in-plane refractive index differences between adjacent microlayers along both the pass and block axis, and having negative refractive index differences between adjacent microlayers along the thickness or z-axis. Major front and back surfaces of the film exposed to air provide a Fresnel reflectivity component to the pass axis reflectivity, and the microlayers provide a microlayer component to the pass axis reflectivity, such microlayer component preferably having a reflectivity of p-polarized light that increases with incidence angle faster than the Fresnel reflectivity component decreases so as to substantially avoid off-axis gain peaks for p-polarized light. The films preferably utilize a relatively small total number of microlayers, arranged in a single coherent stack with monotonic optical repeat unit thickness profile, and at least some microlayers preferably include polyethylene naphthalate or a copolymer thereof. | 05-05-2011 |
20140268331 | Patterns On Glass For Increased Light Transmission And/Or Light Trapping - In one non-limiting embodiment, a transparency for use as a cover plate for a solar collector, window and/or room divider includes a major surface of a glass substrate having Brewster tetrahedrons to convert s-polarized light waves to converted p-polarized light waves to reduce the percent of light wave reflectance of the substrate. In another non-limiting embodiment, the transparency includes a major surface of the substrate having pyramidal tetrahedrons to capture light waves within the body of the substrate to reduce the percent of visible light reflection. | 09-18-2014 |
20150316697 | LOW LAYER COUNT REFLECTIVE POLARIZER WITH OPTIMIZED GAIN - Multilayer reflecting polarizing films are disclosed having increased in-plane refractive index differences between adjacent microlayers along both the pass and block axis, and having negative refractive index differences between adjacent microlayers along the thickness or z-axis. Major front and back surfaces of the film exposed to air provide a Fresnel reflectivity component to the pass axis reflectivity, and the microlayers provide a microlayer component to the pass axis reflectivity, such microlayer component preferably having a reflectivity of p-polarized light that increases with incidence angle faster than the Fresnel reflectivity component decreases so as to substantially avoid off-axis gain peaks for p-polarized light. The films preferably utilize a relatively small total number of microlayers, arranged in a single coherent stack with monotonic optical repeat unit thickness profile, and at least some microlayers preferably include polyethylene naphthalate or a copolymer thereof. | 11-05-2015 |
20160033775 | LASER SYSTEM - A laser system comprising a laser configured to emit a laser beam wherein the laser beam is linearly polarised in a polarisation plane and an optical assembly comprising a partial reflector having a refractive index and comprising a partially reflective surface. The partially reflective surface is arranged to receive the laser beam at an angle of incidence which lies in a plane of incidence and reflect a portion of the laser beam such that the reflected portion is output from the optical assembly. The partially reflective surface is arranged such that the plane of incidence forms a polarisation angle with the polarisation plane of the laser beam and the laser beam includes a p-polarised component and an s-polarised component. The angle of incidence and the polarisation angle are arranged such that a fraction of the laser beam which is output from the optical assembly, following reflection from the partially reflective surface, is substantially invariant with changes in at least one of the temperature of the partial reflector and a thickness of a contamination layer disposed on the partially reflective surface. The partially reflective surface is arranged to reflect a fraction of the laser beam which is greater than or equal to approximately 0.5% of the laser beam which is incident on the partially reflective surface. | 02-04-2016 |
20160252652 | METHODS AND APPARATUS FOR BROADBAND ANGULAR SELECTIVITY OF ELECTROMAGNETIC WAVES | 09-01-2016 |
359485070 |
Mirror | 4 |
20130010360 | COMPACT OPTICAL INTEGRATOR - Generally, the present disclosure describes a compact optical integrator that provides an increased path length for a beam of light in a compact projection system. The increased path length can improve the uniformity of the light passing through the compact projection system, with a minimal increase in the size of the system. The light can be homogenized by mixing light entering the integrator from different regions of the input area. The compact optical integrator can be positioned in the optical path between a light source and a spatial light modulator, such as a liquid crystal display (LCD) or a digital micro-mirror (DMM) array. | 01-10-2013 |
20130083393 | APPARATUS AND A METHOD FOR GENERATING, COMPENSATING AND EMULATING POLARIZATION MODE DISPERSION - A polarization mode dispersion (PMD) generating apparatus includes a polarization plane controller; a unit function block including a first differential group delay (DGD) generator, a first mode mixer, and a second DGD generator, a second mode mixer and a reflective mirror, which are arranged in this order from the input side of input light free from PMD. Part of the first and second DGD generators is disposed on a driven stage to modify the optical path length. The input light has polarization converted by the polarization plane controller and is inputted to the first DGD generator to propagate back and forth on an optical path from the unit function block through the second mode mixer to the reflective mirror. In the PMD-generating apparatus, the driven stage adjusts a DGD amount between orthogonal eigen-polarization modes generated in the first and second DGD generators on the basis of an applicable wavelength band. | 04-04-2013 |
20130301126 | POLARIZATION CONVERTER BY PATTERNED POLARIZATION GRATING - A polarization converter and polarization conversion systems are provided. The polarization converter and polarization conversion systems include a patterned polarization grating with left hand and right hand polarization grating domains. The polarization grating domains are configured to diffract incident non-polarized light into beams having left and right circular polarization states. | 11-14-2013 |
20170235136 | HEAD UP DISPLAY FOR VEHICLE | 08-17-2017 |
359485060 |
Prism | 2 |
20140211309 | DISPLAY AND TILED DISPLAY - A display includes an effective display area and a frame area; an image overlap display area is disposed at a position in the effective display area, close to the frame area, and includes first display positions related to an image to be displayed in the effective display area and second display positions related to an image to be displayed in the frame area; the first and second display positions are distributed in an alternate form; a polarization splitting prism is disposed on a light-emitting surface of the display and at a position at least corresponding to the frame area and the image overlap display area; and a convergent prism configured to converge light from the second display positions in the image overlap display area to the frame area is disposed on a light-emitting surface of the polarization splitting prism. Also a tiled display is disclosed. | 07-31-2014 |
20150098128 | Optical Component Array - The present disclosure provides an optical component array and method of making an optical component array that can include a plurality of optical components useful for projection devices or other optical devices. The optical component array can be fabricated such that individual optical components having several elements can be assembled in a massively parallel manner and then singulated as individual optical components, and can result in a large reduction in manufacturing cost. | 04-09-2015 |
Entries |
Document | Title | Date |
20110116167 | Diffusely-reflecting polarizer having substantially amorphous nano-composite major phase - The present invention provides a diffusely reflecting polarizer comprising a layer containing: a first polymer being a substantially amorphous nano-composite material and being a major phase having a birefringence of less than about 0.02, and a second polymer being a dispersed minor phase within the first polymer major phase, the major and minor phases differing in index of refraction by more than about 0.05 along a first axis and by less than about 0.05 along a second axis orthogonal to said first axis; wherein the major phase comprises a continuous amorphous phase and at least one additional phase dispersed into domains within said continuous amorphous phase, the domains having characteristic dimensions smaller than the wavelength of light such that these domains do not contribute to scattering of light passing through the first polymer; wherein the diffuse reflectivity of said first and second polymers taken together along at least one axis for at least one polarization state of electromagnetic radiation is at least about 50%. | 05-19-2011 |
20110170186 | POLARIZING ELEMENT, METHOD OF MANUFACTURING POLARIZING ELEMENT, AND ELECTRONIC APPARATUS - A polarizing element includes: a substrate; a plurality of reflection layers that is arranged in a band shape at a predetermined interval on the substrate; dielectric layers that are formed on the reflection layers; and inorganic micro-particle layers that are formed on the dielectric layers by inorganic micro-particles having shape anisotropy in which a length of a diameter of the micro-particles in an arrangement direction of the reflection layers is longer than a length of a diameter of the micro-particles in a direction orthogonal to the arrangement direction of the reflection layers and has convex portions toward a side of a first adjacent reflection layer and a side of a second adjacent reflection layer. | 07-14-2011 |
20110181952 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND ELECTROWETTING DISPLAY PANEL HAVING THE DISPLAY SUBSTRATE - A display substrate includes a base substrate, a reflection-polarization member, a first electrode, an insulation layer and a pixel wall. The reflection-polarization member is disposed on the base substrate to reflect and polarize incident light. The first electrode is disposed in a unit pixel area of the reflection-polarization member. The insulation layer is disposed on the first electrode. The pixel wall is disposed on the insulation layer and defines the unit pixel area. Therefore, the entire area of a unit pixel may be used as a reflective area or a transmissive area, and thus an aperture ratio may be improved in a reflection mode or a transmission mode. | 07-28-2011 |
20110249332 | MULTILAYER OPTICAL FILMS HAVING SIDE-BY-SIDE MIRROR/POLARIZER ZONES - A reflective film includes interior layers that selectively reflect light by constructive or destructive interference, the layers extending from a first to a second zone of the film. In the first zone, the layers operate substantially as a reflective polarizer; in the second zone they operate substantially as a mirror. The layers may thus provide a first reflective characteristic in the first zone wherein normally incident light of one polarization state is substantially reflected and normally incident light of an orthogonal polarization state is substantially transmitted, and a second reflective characteristic in the second zone wherein normally incident light of any polarization state is substantially reflected. The film may have a first thickness in the first zone that is substantially the same as a second thickness in the second zone. Alternatively, the second thickness may be substantially less than the first thickness. Related methods, articles, and systems are also disclosed. | 10-13-2011 |
20110255162 | OPTICAL FILMS AND METHODS OF MAKING THE SAME - In general, in a first aspect, the invent features a method, including providing a layer having a plurality of spaced-apart lines of a first material extending along a first direction and forming a line of a second material on opposing surfaces of each line of the first material, the first and second materials being different and adjacent lines of the second material being discontinuous. After forming the lines of the second material, forming pairs of spaced-apart lines of a third material between adjacent pairs of the lines of the second material, wherein each line of the third material is spaced apart from the closest line of the second material and the first and third materials are different. | 10-20-2011 |
20110292504 | Leaky-Mode Resonant Retarders and Related Methods - A leaky-mode resonant retarder is described. The retarder may include a substrate and a spatially modulated periodic layer coupled to the substrate, where the spatially modulated periodic layer is configured to shift a phase between two perpendicular electric-field components of incident light. The retarder may operate as a half-wave plate or a quarter-wave plate. | 12-01-2011 |
20120162765 | PHOTOELECTRIC DEVICES HAVING INHOMOGENEOUS POLARIZATION SELECTIVITY AND THE MANUFACTURING METHOD THEREOF - The present invention provides an optical device having inhomogeneous polarization selectivity. The optical device includes a transparent substrate having a surface, a first optical element and a second optical element. The first and the second elements are disposed on the surface. The first optical element has a first polarization selectivity at least within a full visible frequency domain. The second optical element has a second polarization selectivity at least within a full visible frequency domain. The first and the second polarization selectivities have different orientations. | 06-28-2012 |
20120170116 | ENHANCED IMAGE CONTRAST BETWEEN DIFFUSE AND SPECULARLY REFLECTING OBJECTS USING ACTIVE POLARIMETRIC IMAGING - A polarization system having an active illumination source to produce polarized rays for irradiating a scene. The polarized illumination has a first predefined polarization state with at least one wavelength, a waveband detector to detect reflected rays from the scene, and a polarizing filter coupled to the waveband detector having a second predefined state which is selectively chosen according to the first predefined polarization state of the illumination source, and an enhanced image of the scene produced by said waveband detector. | 07-05-2012 |
20120188638 | METHOD FOR MANUFACTURING POLARIZING PLATE - A method for manufacturing a polarizing plate, which is free of appearance defects caused by dents, contaminants, or scratches, and has an improved adhering strength between a polarizer and a cycloolefin-based resin film, includes the steps of performing a corona discharge treatment at a power density of 0.9 to 2.5 kW on the surface of a cycloolefin-based resin film where a polarizer is to be placed; washing, with water, the corona discharge-treated cycloolefin-based resin film; and bonding a polarizer to the cycloolefin-based resin film with an adhesive interposed therebetween. | 07-26-2012 |
20120206803 | Optical art kits and puppets with origami cellophane, adhesive tape, photoelastic models, polariscopes, knitting, and diffraction films - Kits for creating optical art come with precut cellophane and/or adhesive tape and instructions for folding the cellophane into origami structures having desired optical qualities and/or applying the adhesive tape in a layered fashion to achieve desired optical properties. Adhesive tape or cellophane cut into specific decorative shapes is provided on a tape roll or sheet for easily peeling it off and applying it to create optical art. Tools are provided for cutting, punching out, or otherwise shaping provided cellophane and/or tape. Instruments such as polarizing films, light sources, and/or polarizing glasses are provided for viewing the optical art under polarized light. These instruments may include toy polariscopes, particularly having an ergonomic design. Diffusion lenses are provided to enhance the viewing experience. Photoelastic models and puppets may also be provided. | 08-16-2012 |
20120212816 | SUBSTRATE HAVING LOW REFLECTION AND HIGH CONTACT ANGLE, AND PRODUCTION METHOD FOR SAME - Provided are a substrate including a base with a pattern on at least one side thereof, in which a refractive index in a lower region of the pattern and a refractive index in an upper region of the pattern are different from each other according to a shape of the pattern; and a water repellent coating layer provided on at least one side with the pattern of the base, an optical product including the same, and a manufacturing method of the substrate. The substrate according to the present invention has both an excellent anti-reflective property and an excellent water repellent property. | 08-23-2012 |
20120307361 | Polarization converter made of meta material - A polarization converter made of metamaterial, including a base material and a number of artificial microstructures disposed on the base material. The artificial microstructures can influence the electric field vector of plane electromagnetic wave propagating in it. The electric field vector of the electromagnetic wave can be decomposed into two non-zero orthogonal components on one or more planes perpendicular to the incident direction of the electromagnetic wave, the orthogonal components can be parallel and perpendicular to the optical axis at the position where the artificial microstructure located. After the electromagnetic wave passing through the polarization converter made of metamaterial, the two orthogonal components have a phase difference Δθ different from before incidence, thereby achieving mutual conversion between the above electromagnetic wave polarization methods. The polarization converter made of metamaterial of the present invention is simple in structure, and can easily realize polarization conversion of electromagnetic waves. | 12-06-2012 |
20130003179 | COMPOSITE WITH NANO-STRUCTURED LAYER AND METHOD OF MAKING THE SAME - Nano-structured layers having a random nano-structured anisotropic major surface. | 01-03-2013 |
20130027774 | Height Adjustable Phase Plate for Generating Optical Vortices - A phase plate including a plurality of surfaces arranged around a symmetry axis to reflect an incident electromagnetic field having a null orbital angular momentum, thereby generating a reflected electromagnetic field having an orbital angular momentum. The surfaces are arranged such that, with respect to a cylindrical reference system in which the azimuthal coordinate is measured in a plane perpendicular to the symmetry axis, the respective heights define a non-monotonic azimuthal profile, so that the reflected electromagnetic field forms an optical vortex whose topological charge is not associated one-to-one to the orbital angular momentum. | 01-31-2013 |
20130088778 | POLARIZING FIBER, POLARIZER, POLARIZING PLATE, LAMINATED OPTICAL FILM, AND IMAGE DISPLAY - As the polarizing fiber of the present invention, the cross sectional form perpendicular to the longitudinal direction has a sea-island structure, and the cross sectional form is continuously made up in the longitudinal direction. A resin (sea component) that constitutes the sea region of the sea-island structure comprises a dichroic dye, and a resin (island component) that constitutes the island regions of the sea-island structure is a transparent resin. The polarizing fiber of the present invention may be used as a forming material of a polarizer, for example. By using the above polarizing fiber, a polarizer wherein unevenness of the transmittance is small and cracks are less generated may be formed. | 04-11-2013 |
20130100528 | PLANAR REFLECTIVE DEVICES - Planar reflective devices that operate as reflective blazed diffraction gratings are disclosed. In one aspect, a reflective device includes a substrate with a planar surface, and a planar, high-contrast, sub-wavelength grating disposed on the surface. The grating is divided into a number of regions that each reflect incident light of a particular wavelength and with a particular angle of incidence into a single diffraction order and associated diffraction angle. | 04-25-2013 |
20130141786 | OPTICAL MEMBER AND DISPLAY APPARATUS INCLUDING THE SAME - An optical member, an optical adhesive, and a display apparatus, the optical member including a transparent conductive film; an optical adhesive layer on the transparent conductive film; and a polarizer plate stacked on the optical adhesive layer, wherein a surface resistance difference Rs2−Rs1 of a specimen including the optical adhesive layer is less than about 0.2Ω, the specimen being prepared by manufacturing the polarizer plate having the optical adhesive layer thereon and stacking two transparent conductive films on opposite upper sides of the optical adhesive layer, where Rs1 is an initial surface resistance of the specimen and Rs2 is a surface resistance of the specimen kept at 70° C. and 95% RH for 48 hours. | 06-06-2013 |
20130235457 | METHOD FOR MANUFACTURING LONG LAMINATED POLARIZING PLATE AND LONG LAMINATED POLARIZING PLATE - It is an object of the invention to provide a method for manufacturing a long laminated polarizing plate having a long polarizing coating formed by coating directly on a long retardation film and to provide such a long laminated polarizing plate. The present invention relates to a method for manufacturing a long laminated polarizing plate comprising a long retardation film having a slow axis in its longitudinal direction and a long polarizing coating placed on the retardation film and having an absorption axis or a transmission axis in an in-plane direction at an angle of 25 to 65° to the slow axis direction of the long retardation film. | 09-12-2013 |
20130242391 | OPTICAL DEVICE AND METHOD FOR MANUFACTURING SAME - In a first face and a second face of an irregular configuration portion configuring a wire grid structure, surface roughness of the first face farther from an input side of a light (electromagnetic wave) is made rougher than the surface roughness of the second face closer to the input side of the light (electromagnetic wave). With this configuration, according to this embodiment, since a reflection polarization element can be realized, there can be provided an optical device that is excellent in tolerance to heat and light, and contributes to a reduction in the costs. | 09-19-2013 |
20130258469 | SPATIAL BEAM COMBINING FOR MULTIPLE DIODE LASER ELEMENTS - In order to achieve a high brightness optical source with both spatial size and numeric aperture ideal for fiber coupling, an assembly of multiple individually collimated laser diode chips on submount (COS) are mounted onto a common flat surface and redirected through a series of optical components. This is done in such a manner which allows for active reduction of both overall spot size and numeric aperture. This optical stacking technique achieves a high brightness source which is also suitable for directly coupling into an optical fiber, or can achieve enhanced brightness through the use of existing polarization or wavelength combining schemes prior to fiber optic coupling. | 10-03-2013 |
20130258470 | REDUCTION OF POLARIZATION-DEPENDENT LOSS IN DOUBLE-PASS GRATING CONFIGURATIONS - Optical systems for routing light that reduce or eliminate polarization-dependent loss are provided. Such optical systems generally accommodate an optical element that has an intrinsic polarization-dependent loss and which is disposed to be encountered twice by the light being routed. In some instances, the optical element may be a dispersive element such as a diffraction grating or prism, but the invention has more general applicability. The optical system additionally includes both a reflective element and a wave plate assembly disposed to be encountered by the light between encounters with the dispersive element. | 10-03-2013 |
20130314785 | RESIN COMPOSITION AND OPTICAL FILM FORMED BY USING THE SAME - Provided are a resin composition and an optical film formed by using the same, and more particularly, a resin composition including 85 to 95 parts by weight of a matrix copolymer resin including an alkyl(meth)acrylate-based unit, an acryl-based unit containing a benzene ring, and a (meth)acrylic acid unit, and 5 to 15 parts by weight of a polymer resin having a molecular weight range of 150,000 to 1,000,000 and an optical film formed by using the composition. A resin composition according to the present invention may provide a protective film for a polarizing plate having excellent heat resistance and toughness as well as excellent optical properties, and thus, an optical film formed by using the resin composition of the present invention may be used in information electronic devices such as display devices for various applications. | 11-28-2013 |
20140016196 | RESIN COMPOSITION, OPTICAL FILM FORMED USING THE SAME, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - There are provided a resin composition and an optical film using the same. The resin composition includes a copolymer (A) formed by polymerizing a (meth)acryloyl morpholine-based monomer (a), a maleimide-based monomer (b), and an alkyl(meth)acrylate-based monomer (c), and the optical film is manufactured using the same. The resin composition may provide a film having excellent optical properties and optical transparency, reduced haze, excellent mechanical strength, a relatively low level of thermal expansion coefficient leading to a relatively small change in a dimension, and a relatively low level of alteration in a retardation value due to external stress. | 01-16-2014 |
20140126052 | COLLIMATING OPTICAL DEVICE AND SYSTEM - There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided. | 05-08-2014 |
20140146390 | PLANAR POLARIZATION TRANSFORMER - The planar polarization transformer for a normally incident optical wave or beam having a given vacuum wavelength λ comprises an optical planar grating between a cover medium of refractive index n | 05-29-2014 |
20140168766 | OPTICAL ASSEMBLY - An optical assembly includes a light directing film having an average effective transmission of at least 1.3, a light diffusing film having an optical haze of at least 5% and a plurality of spaced apart posts disposed and defining an air gap between the light directing and diffusing films. The posts are attached to a first major surface of the substrate and an opposing second end of each post is attached to the light diffusing film via a first adhesive layer. The first adhesive layer forms a meniscus at each post having an outer surface radius of at least 0.5 micrometers. | 06-19-2014 |
20140168767 | POLARIZING PLATE, METHOD OF PREPARING THE SAME, AND LIQUID CRYSTAL DISPLAY APPARATUS INCLUDING THE SAME - A polarizing plate, a method of preparing the same and a liquid crystal display apparatus including the same are disclosed. The polarizing plate includes a polarizer and a polyester film formed on a surface of the polarizer, wherein the polyester film has a ratio of an elongation ratio in a machine direction to an elongation ratio in a transverse direction of about 1:0.8 to about 1:1.2, an in-plane retardation (Re) of about 500 nm or less at a wavelength of 550 nm, and an out-of-plane retardation (Rth) of about 10,000 nm or less at a wavelength of 550 nm. | 06-19-2014 |
20140247485 | Viewing Apparatus with Integrated Polarized Lens - The current invention is directed to a pair of binoculars having an eyepiece with one or more ocular lenses and a view port, a polarized lens orientated and positioned on a mounting frame, one or more prisms and an objective lens; wherein the polarized lens is fixed between the eyepiece and the one or more prisms and is shaped to provide an optically correct image and orientated in the vertical plane to substantially filter refracted horizontal light. The invention has application with hunting or sporting scopes and periscopes and other types of viewing apparatus. | 09-04-2014 |
20140268329 | Polarized Beam Director and Method - Incident differently-polarized light beams are separately directed and combined by one or two corner cube structures, each having one or two walls formed as a beam splitter. One incident light beam is passed, while the other incident light beam is reflected. | 09-18-2014 |
20140268330 | IMAGING WITH SHAPED HIGHLIGHT BEAM - A source light beam is split into an illumination beam and a highlight beam. The highlight beam can be controllably shaped into a shaped highlight beam based on a brightness analysis of an image to output. The illumination beam and the shaped highlight beam are combined and provided to an imaging device that generates the image using the combined beam. An array of reflectors, such as a MEMS mirror device, can be used in conjunction with a stacked rod array to generate the shaped highlight beam. The illumination beam and the shaped highlight beam can be combined using offset lenses or a polarizing beam splitter. | 09-18-2014 |
20150146292 | MULTILAYER OPTICAL FILMS HAVING SIDE-BY-SIDE MIRROR/POLARIZER ZONES - A reflective film includes interior layers that selectively reflect light by constructive or destructive interference, the layers extending from a first to a second zone of the film. In the first zone, the layers operate substantially as a reflective polarizer; in the second zone they operate substantially as a mirror. The layers may thus provide a first reflective characteristic in the first zone wherein normally incident light of one polarization state is substantially reflected and normally incident light of an orthogonal polarization state is substantially transmitted, and a second reflective characteristic in the second zone wherein normally incident light of any polarization state is substantially reflected. The film may have a first thickness in the first zone that is substantially the same as a second thickness in the second zone. Alternatively, the second thickness may be substantially less than the first thickness. Related methods, articles, and systems are also disclosed. | 05-28-2015 |
20150301254 | ELECTROMAGNETIC COMPOSITE-BASED REFLECTING TERAHERTZ WAVEPLATE - A reflection-mode waveplate for operation in the terahertz region by shifting the phase between two perpendicular polarization components of the light wave, comprising a ground plane; an array of polygonal unit cells; the polygonal unit cells comprising a polymer positioned between the ground plane and the exterior of the array of polygonal patches. | 10-22-2015 |
20150316222 | SUNLIGHT ILLUMINATION SYSTEM HAVING LIGHT INTENSITY ADJUSTMENT FUNCTION - A sunlight illumination system includes a light collection device, a first light reflection polarizer, a second light reflection polarizer, and a third light reflection polarizer. The light collection device collects sunlight. The first light reflection polarizer splits the collected sunlight into a TE polarized light and a TM polarized light. The TM polarized light transmits through the first light reflection polarizer. The TE polarized light is reflected by the first light reflection polarizer. The TM polarized light is perpendicular to the TE polarized light. The second light reflection polarizer is positioned in an optical path of the TM polarized light and is rotated to adjust a light intensity of the TM polarized light. The third light reflection polarizer is positioned in an optical path of the TE polarized light and is rotated to adjust a light intensity of the TE polarized light. | 11-05-2015 |
20150346505 | OPTICAL SYSTEM PROVIDING POLARIZED LIGHT - An optical system ( | 12-03-2015 |
20150355396 | OPTICAL SHEET MODULE - Provided is an optical sheet module that includes: a first optical sheet that includes a first base substrate, and a first structurization pattern configured to refract light incident from the first base substrate in a normal direction; a second optical sheet that is formed above the first optical sheet, and includes a second base substrate and a second structurization pattern for refracting the light incident from the second base substrate in the normal direction and intersecting an extension direction of the pattern with an extension direction of the first structurization pattern; and a reflective polarizing sheet that is formed on the second optical sheet, reflects light polarized in the first direction to the lower portion, and transmits light polarized in the second direction to a display, wherein the first optical sheet and the second optical sheet are bonded to each other. | 12-10-2015 |
20160377868 | LOW PROFILE IMAGE COMBINER FOR NEAR-EYE DISPLAYS - An image combiner, also referred to as a combiner optic, of a near-eye display system or the like transmits enough light so a user can see remote objects in a “world view”, while also reflecting enough light so the user can simultaneously see a projected image in a “projected” (augmented) view. The disclosed image combiners use two partial reflectors configured to form a wedged reflective cavity. In the display system, light from an imaging device follows a path to the user's eye that includes three reflections in the wedged cavity. By using this capability of the wedged cavity, the combiner optic can have a substantially reduced thickness, and lower profile, than a combiner optic that uses only one partial reflector and only one reflection in the optical path. | 12-29-2016 |