| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359485010 | Polarization by reflection or refraction | 42 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 359485020 | Brewster angle polarizer (reflective or transmissive) | 1 |
| 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 |
| 359485030 | Multilayer polarizer | 12 |
| 20130094084 | MASK PROCESSING USING FILMS WITH SPATIALLY SELECTIVE BIREFRINGENCE REDUCTION - Certain patternable reflective films are used as masks to make other patterned articles, and one or more initial masks can be used to pattern the patternable reflective films. An exemplary patternable reflective film has an absorption characteristic suitable to, upon exposure to a radiant beam, absorptively heat a portion of the film by an amount sufficient to change a first reflective characteristic to a different second reflective characteristic. The change from the first to the second reflective characteristic is attributable to a change in birefringence of one or more layers or materials of the patternable film. In a related article, a mask is attached to such a patternable reflective film. The mask may have opaque portions and light-transmissive portions. Further, the mask may have light-transmissive portions with structures such as focusing elements and/or prismatic elements. | 04-18-2013 |
| 20130063818 | PARTIALLY REFLECTING MULTILAYER OPTICAL FILMS WITH REDUCED COLOR - A multilayer optical film body includes a first and second packet of microlayers. Each packet partially transmits and partially reflects light over an extended wavelength range, such as the visible region, for normally incident light polarized along a first principal axis of the film body. In combination, the first and second packets have an intermediate reflection and transmission (e.g. 5-95% internal transmission, on average) for the normally incident light, and similar intermediate reflection/transmission (e.g. 10-90% internal transmission, on average) for oblique light. The packets are laminated or otherwise connected so that light can pass through the packets sequentially. In at least a first test area of the film body, a high frequency spectral variability of the combination of packets is less than a high frequency spectral variability of the first packet by itself, and may also be less than a high frequency spectral variability of the second packet by itself. | 03-14-2013 |
| 20110299161 | RETARDATION COMPENSATION ELEMENT AND MANUFACTURING METHOD OF THE SAME - Two types of layers are simultaneously formed on a substrate and another substrate under the same layer forming condition, the heights of which are equal to a half height of an intended retardation compensation layer. Physical properties of the respective two types of layers formed on the substrates are identical to each other, and if deviations are produced in retardation distribution characteristics for azimuth angles of incident light, these deviations are commonly provided in the respective two types of layers. When one substrate is superposed with the other substrate and these superposed substrates are integrated with each other in order to make a single sheet of retardation compensation element, after one of these substrates is rotated by an angle of 90 degrees with respect to the other substrate, these substrates are stuck to each other by an adhesive agent. | 12-08-2011 |
| 20110170187 | 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 absorption layers on the dielectric layers that have convex portions disposed toward a side of a first adjacent reflection layer and a side of a second adjacent reflection layer. | 07-14-2011 |
| 20120293868 | MULTILAYER THIN FILM ATTENUATORS - An optical element has layers formed on a substrate, including alternating first and second layers having first and second refractive indices, n | 11-22-2012 |
| 20110109966 | Multilayer Optical Film Layer Comprising Blend of Methyl Methacrylate Polymer and Styrene Acrylonitrile Polymer - Presently described are multilayer optical films comprising an optical stack comprising at least one first birefringent optical layer; at least one (e.g. isotropic) second optical layer having a birefringence of less than 0.04 at 633 nm, and optionally at least one skin layer. The second layer, skin layer, or a combination thereof comprises a blend of at least one methyl methacrylate polymer and at least one styrene-acrylonitrile polymer. | 05-12-2011 |
| 20120206804 | POLARIZING PLATE, FABRICATION METHOD THEREOF, AND DISPLAY DEVICE USING THE SAME - A polarizing plate, a fabrication method thereof, and a display device using the same are provided. The polarizing plate includes a polarizing element, a first adhesive layer formed on one surface of the polarizing element, a second adhesive layer formed on the other surface of the polarizing element, a protective film attached to an upper portion of the first adhesive layer, a bonding layer attached to a lower portion of the second adhesive layer, and a luminance enhancement film attached to the bonding layer. | 08-16-2012 |
| 20120176675 | Wire Grid Polarizers in Window Shading Applications and Varying Thickness Wave Retarders - A light transmissive panel is provided comprising a first sheet and a second sheet, wherein each sheet is made up of a nonbirefringant substrate and a wire grid polarizer pattern of continuously varying absorption axis orientation formed on the nonbirefringant substrate. The wire grid polarizer patterns on each of the first and second sheet are mechanically translatable relative to each other, wherein the mechanical translation controls transmission of light through the light transmissive panel. Also taught is an example wherein each sheet of the panel is made of a wire grid polarizer that is laminated with a continuous variable thickness wave plate retarder, wherein the continuous variable thickness wave plate retarder rotates input light by an amount determined by the thickness of the wave plate retarder. Also taught is an example wherein each sheet of the panel is made up of a traditional polarizer and continuously varying thickness wave retarder. | 07-12-2012 |
| 20120275023 | IMMERSED REFLECTIVE POLARIZER WITH ANGULAR CONFINEMENT IN SELECTED PLANES OF INCIDENCE - A film construction ( | 11-01-2012 |
| 20110273770 | COLOR COMBINER - Optical elements, color combiners using the optical elements, and image projectors using the color combiners are described. The optical elements can be configured as color combiners that receive different wavelength spectrums of light and produce a combined light output that includes the different wavelength spectrums of light. In one aspect, the received light inputs are unpolarized, and the combined light output is polarized in a desired state. In one aspect, the received light inputs are unpolarized, and the combined light output is also unpolarized. The optical elements are configured to minimize the passage of light which may be damaging to wave-length-sensitive components in the light combiner. Image projectors using the color combiners can include imaging modules that operate by reflecting or transmitting polarized light. | 11-10-2011 |
| 359485040 | Pile-of-plates polarizer | 2 |
| 20130038933 | BEAM SPLITTER AND METHOD FOR MANUFACTURING THE SAME - A beam splitter includes a substrate unit, and first and second prisms disposed on surfaces at two opposite sides of the substrate unit, respectively. The substrate unit includes a substrate member, and a beam splitter film disposed at the substrate member and capable of beam splitting. The beam splitter film includes a plurality of thin film layers arranged in a stack. Each of the thin film layers is made of an inorganic material. | 02-14-2013 |
| 20120307362 | PHASE-COMPENSATED ANTI-REFLECTIVE THIN FLIM COATING - An anti-reflective thin film coating formed on an optical surface, comprising a multilayer thin-film stack arranged to suppress reflection of incident polarized light within an incident light wavelength range. The multilayer thin-film stack further provides a reflectance edge transition at a wavelength band that lies outside the incident light wavelength range. The reflectance edge transition is arranged to provide phase difference compensation to the polarized light within the incident polarized light wavelength range. | 12-06-2012 |
| 359485050 | Wire grid polarizer | 12 |
| 20130044373 | WIRE-GRID POLARIZER AND PROCESS FOR PRODUCING THE SAME - Disclosed are a wire grid polarizer, which exhibits high polarization, p-polarized light transmittance, and s-polarized light reflectance in the visible light region, and the optical characteristics of which have low angular dependence and wavelength dependence, and a manufacturing method for the same. A wire grid polarizer ( | 02-21-2013 |
| 20130077164 | WIRE GRID POLARIZER WITH MULTIPLE FUNCTIONALITY SECTIONS - A wire grid polarizer with multiple functionality sections. Separate and discrete sections can include a difference in pitch p, a difference in wire width w, a difference in wire height h, a difference in wire material, a difference in coating on top of the wires, a difference in thin film between the wires and the substrate, a difference in substrate between the wires, a difference in number of layers of separate wires, and/or a difference in wire cross-sectional shape. | 03-28-2013 |
| 20130070338 | LIGHTWEIGHT EYEPIECE FOR HEAD MOUNTED DISPLAY - An eyepiece includes an eyepiece frame, an in-coupling polarization beam splitter (“PBS”), an end reflector, and an out-coupling PBS. The eyepiece frame defines an air cavity and includes an illumination region for receiving computer generated image (“CGI”) light into the eyepiece frame and a viewing region to be aligned with an eye of a user. The in-coupling PBS is supported within the eyepiece frame at the illumination region to re-direct the CGI light to a forward propagation path extending along the air cavity towards the viewing region. The end reflector is disposed to reflect the CGI light back along a reverse propagation path within the eyepiece frame. The out-coupling PBS is supported at the viewing region to pass the CGI light traveling along the forward propagation path and to redirect the CGI light traveling along the reverse propagation path out of an eye-ward side of the eyepiece frame. | 03-21-2013 |
| 20110286094 | Wire-grid polarizer and process for producing the same - Provided are a wire-grid polarizer, which has not only a high degree of polarization, a high p-polarized light transmittance and a high s-polarized light reflectance but also a low angle dependency and a low wavelength dependency in terms of optical properties in a visible light region, and a process for producing the same. | 11-24-2011 |
| 20110261455 | Wire Grid Polarized And Liquid Crystal Display Device Using The Same - A wire grid polarizer includes fine metal wires arranged parallel to one another and thus transmitting TM-polarized light. A light absorbing layer for absorbing TE-polarized light is provided on at least one of the surfaces of the wire grid polarizer. | 10-27-2011 |
| 20110080640 | WIRE-GRID POLARIZER AND PROCESS FOR PRODUCING THE SAME - Provided is a wire grid polarizer showing a high degree of polarization, a high p-polarized light transmittance and a high s-polarized light reflectivity for light incident from a front surface and showing a low s-polarized light reflectivity for light incident from its rear surface, in the visible light region, and a process for producing such a polarizer. | 04-07-2011 |
| 20120008205 | MULTILAYER WIRE-GRID POLARIZER WITH OFF-SET WIRE-GRID DIELECTRIC GRID - A wire-grid polarizer includes a stack of thin film layers disposed over a substrate including a wire grid layer and a plurality of thin film layers disposed between the wire grid layer and the substrate. The wire-grid layer includes an array of elongated metal elements, comprising lengths longer than a wavelength of visible light, a period less than 200 nanometers, a height less than 400 nanometers; and a material selected from the group consisting of aluminum, silver, gold, copper, or combinations thereof. The plurality of thin film layers disposed between the wire grid layer and the substrate include at least one dielectric grid layer and at least one thin film layer comprising silicon. The dielectric grid layer and the wire-grid are substantially parallel with one another, have substantially equal periods, and have substantially equal widths. | 01-12-2012 |
| 20120013981 | PHOTOCHROMIC OPTICAL ELEMENTS - An optical element has a substrate material having a pattern of cavities formed on a surface and a substantially transparent seal layer disposed against the surface. A photochromic or electrochromic material is sealed by the substantially transparent seal layer within the cavities formed in the surface. | 01-19-2012 |
| 20120250154 | FINE PITCH WIRE GRID POLARIZER - A fine pitch wire grid polarizer can have a pitch of less than 80 nanometers and a protective layer on the wires, by anisotropically etching the wire grid polarizer to form two parallel, elongated rods substantially located at corners where the wires contacted the substrate. The rods can be polarizing elements. A wire grid polarizer can have a repeated pattern of groups of parallel elongated wires disposed over a substrate. Each group of elongated wires comprises at least three wires. At least one wire at an interior of each group can be taller by more than about 10 nm than outermost wires of each group. Wires of a wire grid polarizer can be a byproduct of an etch reaction. A multi-step wire grid polarizer can comprise a base with a plurality of parallel multi-step ribs disposed on the base and a coating disposed along vertical surfaces of the steps. | 10-04-2012 |
| 20120176676 | METHOD OF PRODUCING WIRE-GRID POLARIZER AND WIRE-GRID POLARIZER - A line-and-space structure having a line portion and a space portion is formed by applying a sol-gel coating on a substrate and transferring a structure of a mold to the coating, and an embedded metal portion is formed by filling the space portion with a molten metal. As the metal to be molten, a metal material having a melting point of not higher than 650° C. and showing, after the solidification, an average extinction coefficient of higher than 5.0 or an average extinction coefficient of higher than 4.5 and an average refractive index of less than 1, at a wavelength range of 400 to 700 nm, is selected to improve optical characteristics. | 07-12-2012 |
| 20120236410 | WIRE-GRID POLARIZER AND PROCESS FOR PRODUCING THE SAME - A wire-grid polarizer comprising a light-transmitting substrate | 09-20-2012 |
| 20120268817 | SINGLE-SHOT LASER ABLATION OF A METAL FILM ON A POLYMER MEMBRANE - A method comprises spatially selectively irradiating in a predetermined pattern with an output beam of a laser system an interface between a polymer substrate and a metal film on the polymer substrate. The polymer substrate is substantially transparent to the output beam of the laser system; the metal film absorbs a substantial fraction of the output beam. Laser system output comprises a sequence of pulses. Beam size at the polymer/metal interface, pulse energy, and pulse duration are selected so that each pulse from the laser system that irradiates an area of the polymer/metal interface substantially completely removes by ablation the metal film from at least a portion of the irradiated area without substantially altering the surfaces or bulk of the polymer substrate and without leaving on the polymer substrate or on remaining areas of the metal film substantial residue of metal that resolidified after being melted by the laser irradiation. | 10-25-2012 |
| 359485070 | Mirror | 2 |
| 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 |
| 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 |
