Class / Patent application number | Description | Number of patent applications / Date published |
359486000 | By grid or dipoles | 40 |
20080198454 | Color Filter For Image Sensor - An image sensor device includes a semiconductor substrate having a front surface and a back surface, pixels formed on the front surface of the semiconductor substrate, and grid arrays aligned with one of the pixels. One of the grid arrays is configured to allow a wavelength of light to pass through to the corresponding one of the pixels. The grid arrays are disposed overlying the front or back surface of the semiconductor substrate. | 08-21-2008 |
20080225389 | POLARIZER AND FLAT PANEL DISPLAY APPARATUS INCLUDING THE SAME - A polarizer and a flat panel display apparatus including the polarizer are provided. The polarizer includes: a base; and a plurality of grids on the base, the plurality of grids including a first component and a second component, and having a thickness in a thickness direction of the polarizer. The first component includes a dielectric material and the second component includes a metal. The first component and the second component have a concentration gradient in the thickness direction, wherein a concentration of the first component in the grids increases along a thickness direction toward the external light incidence side, and a concentration of the second component in the grids increases along a thickness direction away from the external light incidence side. | 09-18-2008 |
20080266662 | Polarization device to polarize and further control light - A polarization device includes an optical stack with a diffraction grating and a wire grid polarizer with one disposed over the other. The wire grid polarizer includes an array of elongated, parallel conductive wires in accordance with P | 10-30-2008 |
20080278811 | Selectively Absorptive Wire-Grid Polarizer - A selectively absorptive, mulitlayer wire-grid polarizer for polarizing incident light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having a period less than half the wavelength of the light. One of the layers can include a thin film layer with a refractive index greater than a refractive index of the substrate. One of the thin film layers can include a dielectric array of non-metal elements. One of the layers includes a material that is optically absorptive to the incident light. | 11-13-2008 |
20080291538 | Plasma reflective polarizer - The present invention discloses a plasma reflective polarizer, which comprises a transparent substrate and a metal-line film. The metal-line film is formed via periodically disposing metal lines on the transparent substrate. Alternatively, the plasma reflective polarizer of the present invention comprises a plurality of transparent substrates stacked one above one; each transparent substrate has a metal-line film, and the metal-line film is formed via periodically disposing metal lines on the transparent substrate. The plasma reflective polarizer of the present invention is a simple structure formed of only a common transparent substrate and a metal-line film. Therefore, the present invention is a low-cost plasma reflective polarizer having a high brightness-enhancing function and superior mechanical properties. | 11-27-2008 |
20080304153 | OPTICAL ELEMENT AND PROJECTION DISPLAY DEVICE - An optical element, includes: a diffractive functional layer which diffracts at least part of incident light; and a grid formed on a first surface of the diffractive functional layer, the grid including a plurality of fine wires and having a polarization separation function; wherein the optical element reflects a part of the incident light while transmitting another part of the incident light, the first surface of the diffractive functional layer including a plurality of first regions; a plurality of second regions, a height thereof relative to a second surface of the diffractive functional layer being different from that of the first regions, the second surface being an opposite surface to the first surface; and a step provided at a border between the first regions and the second regions. | 12-11-2008 |
20080316599 | Reflection-Repressed Wire-Grid Polarizer - A reflection repressed wire-grid polarizer device for polarizing incident visible or infrared light and selectively repressing a reflected polarization includes at least three layers disposed on a substrate. A polarizing wire-grid layer has an array of parallel metal wires with a period less than half the wavelength of the incident light. A reflection-repressing layer or grid includes an inorganic and non-dielectric material which is optically absorptive of visible or infrared light. A dielectric layer or grid includes an inorganic and dielectric material. | 12-25-2008 |
20090009865 | Polarizer and display device including polarizer - A polarizer in which parallel transmittance T | 01-08-2009 |
20090027773 | WIRE GRID TYPE POLARIZATION ELEMENT, MANUFACTURING METHOD THEREOF, LIQUID CRYSTAL DEVICE, AND PROJECTION TYPE DISPLAY APPARATUS - There is provided a wire grid type polarization element equipped with a plurality of lines of metal grid on a translucent substrate. A plurality of lines of groove like concave portions are formed on the substrate, and the metal grid is embedded in the plurality of lines of groove like concave portions. | 01-29-2009 |
20090040607 | OPTICAL ELEMENT, LIQUID CRYSTAL DEVICE, AND DISPLAY - An optical element having a function of splitting incident light into polarized beams includes a substrate transparent for the incident light; a diffractive structure that includes a plurality of concave portions and a plurality of convex portions alternately arranged with each other, each of the plurality of concave portions and convex portions having a rectangular sectional shape and that is provided on a first surface of the substrate; and a grid that includes a plurality of fine lines extending in a single direction and that is provided across a top surface of the diffractive structure on the first surface of the substrate, wherein conditions: d<λ and λ/n<δ≦λ are satisfied when λ represents a wavelength of the incident light; d represents a distance between the neighboring fine lines; δ represents a distance between the convex portions; and n represents a refractive index of a material forming the substrate. | 02-12-2009 |
20090046362 | ROLL TO ROLL NANOIMPRINT LITHOGRAPHY - Apparatus and methods for a nano-patterning process to fabricate nanostructures. A roller type mold is used to continuously imprint nanostructures onto a flexible web or a rigid substrate. The process includes a coating and an imprinting module, which rotate the web synchronously. Liquid resist materials are used for imprinting and the patterns are set by thermal or UV curing. The process is used to produce bilayer metal wire-grid polarizers, organic solar cells, and organic light emitting diodes. | 02-19-2009 |
20090052029 | FUNCTIONAL FILMS FORMED BY HIGHLY ORIENTED DEPOSITION OF NANOWIRES - Optical films formed by deposition of highly oriented nanowires and methods of aligning suspended nanowires in a desired direction by flow-induced shear force are described. | 02-26-2009 |
20090052030 | WIRE-GRID POLARIZER AND PROCESS FOR PRODUCING THE SAME - The present invention provides a wire-grid polarizer showing high polarization separation ability in the visible light region and is excellent in heat resistance and durability; and a process for producing such a wire-grid polarizer with high productivity, which enables to produce a polarizer of large area. | 02-26-2009 |
20090128904 | Grid polarizing film, method for producing the film, optical laminate, method for producing the laminate, and liquid crystal display - A lengthy grid polarizer film comprising a lengthy resin film and a plurality of grid lines provided on the surface and/or inside of the resin film and extending substantially in parallel with each other are provided, the grid lines being made of a material G being 1.0 or more in the absolute value of the difference between the real part n | 05-21-2009 |
20090128905 | Optical element, polarizing element, lighting device, and liquid crystal display - An optical element of the invention comprises at least two laminated layers of at least one kind of reflective polarizer (a); and at least one layer of at least one kind of retardation layer (b) for changing polarization properties laminated between the reflective polarizers (a), the combination of the layers being designed so as to provide a incident-light transmittance depending on an incident angle of an incident light and designed such that a shielded light is not absorbed but reflected, wherein at least one layer of the reflective polarizer (a) is a circular polarization type reflective polarizer (a | 05-21-2009 |
20090153961 | Grid Polarizer and Method for Manufacturing the Same - A grid polarizer comprising a first layer composed of a transparent material, a third layer composed of a transparent material, and a second layer laminated between the first layer and the third layer, the second layer having a plurality of layers A extended in an elongated linear state and a plurality of layers B extended in an elongated linear state, in which the layers A and the layers B are alternately arranged side by side, the layers A extended in an elongated linear state comprise a material with an absolute value of a difference between a real part n and an imaginary part κ in a complex refractive index (N=n−iκ) at 1.0 or more, the layers B extended in the elongated linear state comprise a gas, and the third layer is connected to the layers A through a chemical compound having a reactive group bindable with an inorganic material and a reactive group bindable with an organic material, comprises a transparent inorganic oxide or a transparent inorganic nitride, or comprises a porous substance. | 06-18-2009 |
20090168170 | WIRE GRID POLARIZER AND METHOD FOR FABRICATING THE SAME - A metal wire grid polarizer comprises a transparent substrate, a transparent film structure and a plurality of metal wires. The transparent film structure, in a planar waveform shape, is formed on the surface of the transparent substrate and has a plurality of adjacent grid lines of triangular cross-sections. The grid lines are arranged at a period and basically abutted against one another. The metal wires are formed separately and arranged at the same period of the transparent film structure in a direction orthogonal to the grid line direction. | 07-02-2009 |
20090168171 | MULTILAYER WIRE-GRID POLARIZER WITH OFF-SET WIRE-GRID AND DIELECTRIC GRID - A multilayer wire-grid polarizer for polarizing light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having lengths longer than a wavelength of the light and a period less than half the wavelength of the light. One of the layers can include a thin film layer with a refractive index greater than a refractive index of the substrate. One of the thin film layers can include a dielectric array of non-metal elements. | 07-02-2009 |
20090190214 | Polarizing photorefractive glass - The invention is directed to a glass composition and articles made from the composition that are both polarizing and photorefractive. The glass has a composition consisting essentially of, in weight percent (“wt. %”) of 70-73 SiO | 07-30-2009 |
20090201583 | POLARIZING FILM FOR WINDOW AND FRONT WINDOW FOR MEANS OF TRAVELING - There is provided a front window for means of traveling, which contains at least a base, a polarizing film, and a anti-reflection film, wherein the polarizing film contains at least an anisotropic absorber, and the anisotropic absorber has a reduction ratio of a parallel polarized light (s-polarized light) included in incident light of 90% or less. | 08-13-2009 |
20090219617 | SHORT-WAVELENGTH POLARIZING ELEMENTS AND THE MANUFACTURE AND USE THEREOF - While gold wire grids have been used to polarize infrared wavelengths for over a hundred years, they are not appropriate for shorter wavelengths due to their large period. With embodiments of the present invention, grids with periods a few tens of nanometers can be fabricated. Among other things, such grids can be used to polarize visible and even ultraviolet light. As a result, such wire grid polarizers have a wide variety of applications and uses, such as, e.g., in the fabrication of semiconductors, nanolithography, and more. | 09-03-2009 |
20090237785 | Microfabricated optical wave plate - A microfabricated optical wave plate comprises a reflective polarizer and a mirror separated by a fixed or variable distance. The wave plate imparts a relative phase delay on polarization components of incident light, thereby transforming the overall polarization of the light. | 09-24-2009 |
20090268291 | STRUCTURE AND METHOD TO POLARIZE AN ELECTROMAGNETIC WAVE - The EM polarizing structure, which contains a two dimensional planar variation structure, having medium nodes regularly distributed as a two dimensional planar photonic unit lattice cell array on a plane. Each of said unit photonic lattice cells has an operation axis and is identical at each lattice point, which passes a diagonal of said unit photonic lattice cell. The medium nodes within each said planar photonic unit lattice cell are distributed asymmetrical with respect to said operation axis direction and identical at each lattice point. The said EM polarizing structure is used to modulate an input EM wave around an operation frequency of the photonic band associated with said EM wave polarizing structure. Thus a corresponding output EM wave becomes polarized. Moreover, said electromagnetic (EM) wave polarizing structure can be integrated with an EM wave emitting source. Thus an output EM) wave from said device is polarized. | 10-29-2009 |
20090316262 | TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPOSITE POLARIZING PLATE USING THE ELEMENT - A transmission type polarizing element | 12-24-2009 |
20100020397 | METHOD FOR PRODUCING OPTICAL ELEMENT AND THE OPTICAL ELEMENT - A method for producing an optical element having a three-dimensional structural part that can resolve problems associated with deterioration of optical characteristics that is caused by variations in the element shape in the conventional process and poor endurance caused by insufficient joining strength and the optical element produced by the method are provided. A method for producing an optical element configured by joining at least a first optical member and a second optical member formed from an oxide material includes the processes of forming a refractive index periodic structural part with a period equal to or less than a visible light wavelength on at least one of the first optical member and the second optical member, forming a joining layer composed of an oxygen-deficient oxide on the first optical member and the second optical member, tightly joining the first optical member and the second optical member by the joining layer, and oxidizing the joining layer after the tight joining. | 01-28-2010 |
20100053751 | WIRE GRID POLARIZERS IN WINDOW SHADING APPLICATIONS AND VARRYING 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. | 03-04-2010 |
20100067110 | SUBSTRATE-GUIDED OPTICAL DEVICE - There is provided an optical device, including a light-transmitting substrate ( | 03-18-2010 |
20100085639 | POLARIZING LAMP - A polarizing lamp includes a polarization beam splitter, a metallic grating reflector having metallic gratings with a trapezoidal profile, and an unpolarized light source positioned between the polarization beam splitter and the metallic grating reflector. | 04-08-2010 |
20100103517 | SEGMENTED FILM DEPOSITION - A segmented film deposition wire grid polarizer with a separate coating on top of each rib. | 04-29-2010 |
20100103518 | GRID POLARIZER - There is provided a grid polarizer comprising: a transparent substrate having ridges arranged substantially in parallel in at least one surface of the transparent substrate; a light-absorbing layer (A) deposited on a top surface of the ridge; and a light-absorbing layer (B) deposited in a groove between the ridges, in which, in a cross section that orthogonally intersects a longitudinal direction of the ridge, cross-sectional area of the light-absorbing layer (B) is 20% or more of cross-sectional area of the space of the groove, height of the ridge is less than 4 times distance between the light-absorbing layer (A) and the light-absorbing layer (B) and height of the ridge is 0.4 to 1.55 times width of the ridge. | 04-29-2010 |
20100128347 | POLARIZING CUBE AND METHOD OF FABRICATING THE SAME - A polarizing cube includes a pair of identical and symmetric triangular prisms which sandwich a thin optical composite plate containing a planner array of reflective straight wires spaced apart in parallel as a built-in wire grid polarizer. All of its subcomponents and the polarizing cube itself are physically and optically symmetrical to one of its diagonal planes so as to provide improved integration and robustness for projection display application. The cubic configuration of the disclosed polarizer can be readily produced through common means and sequences typically used in semiconductor wafer fabrication processes, including photolithographic patterning, gap dielectric filling and planarization, and wafer thinning, bonding and cutting among others. | 05-27-2010 |
20100142047 | Wire Grid and Manufacturing Method Thereof - A textile made by weaving while crossing stainless wires as warp yarn and silk yarns as weft yarn one by one alternately, and this textile is attached to a frame body to configure a wire grid. The pitch for the stainless wires is determined depending on a wavelength to be polarized and analyzed. Furthermore, the silk yarns are removed if necessary. This configuration avoids problems with cutting of metal wire or irregular intervals between metal wires because of long fine metal wires tightened parallel to each other in the frame body, and problems such as multiple reflection or interference on a substrate or a base material because of fine wire patterns made by etching or the like with the use of the substrate or base material, thereby obtaining an easily-manufactured, low-cost and high-precision wire grid for polarization and analysis of electromagnetic waves. | 06-10-2010 |
20100182692 | METHOD FOR MANUFACTURING OPTICAL ELEMENT AND OPTICAL ELEMENT - A method for manufacturing an optical element that has a function to polarize and split incident light includes: a) forming a grid portion on a face of a substrate in a plural number with a predetermined pitch; b) forming a diffractive structure resist pattern on the face of the substrate, the diffractive structure resist pattern corresponding to a diffractive structure that has a plurality of concave portions and a plurality of convex portions, the concave portions and the convex portions being arranged alternatively on the face of the substrate; c) forming the diffractive structure by etching the substrate anisotropically in a thickness direction with the diffractive structure resist pattern; and d) forming a fine line on the grid portion by depositing a reflective material from an oblique direction onto the face of the substrate where the diffractive structure is provided, the fine line being provided in a direction in which the grid portion extends. | 07-22-2010 |
20100188747 | OPTICAL ELEMENT HAVING A DIFFRACTIVE LAYER AND A RELIEF PATTERN WITH CONCAVE AND CONVEX PORTIONS - An optical element, includes: a diffractive functional layer which diffracts at least part of incident light; and a grid formed on a first surface of the diffractive functional layer, the grid including a plurality of fine wires and having a polarization separation function; wherein the optical element reflects a part of the incident light while transmitting another part of the incident light, the first surface of the diffractive functional layer including: a plurality of first regions; a plurality of second regions, a height thereof relative to a second surface of the diffractive functional layer being different from that of the first regions, the second surface being an opposite surface to the first surface; and a step provided at a border between the first regions and the second regions. | 07-29-2010 |
20100232017 | Optical metapolarizer device - An optical metapolarizer device polarizes light while mitigating the absorptive or reflective losses associated with traditional polarizers. The metapolarizer device transmits light of one polarity and rotates the other polarity so that it is closer to the transmitted polarity. As a result, although the light exiting the metapolarizer device is highly polarized, the total transmissivity of the device can be well in excess of 50%, and can approach 100% in the theoretical limit. | 09-16-2010 |
20100259821 | Photocurable composition, process for producing fine patterned product and optical element - To provide a photocurable composition with which a fine pattern molded product on which a fine pattern of a mold is highly precisely transferred can efficiently be produced. | 10-14-2010 |
20100284073 | System and method for mounting a polarizer - A mounted polarizer and corresponding assembly method is provided. The mounted polarizer includes a substrate, and a polarizer with a plurality of parallel wires mounted on a supporting base. An epoxy binds the polarizer to the substrate, such that the plurality of parallel wires is mounted between the substrate and the supporting base, and the epoxy is in direct contact with the plurality of wires. The substrate, the epoxy and the supporting base all have a substantially matching refractive index. The mounted polarizer substantially transmits one polarization of light, and substantially blocks transmission of another polarization of light. | 11-11-2010 |
20100328768 | NANO FRACTAL DIFFUSER - A diffusive device has an array of discrete facets which may be of a size and pattern similar to a fractal. The facet dimensions can be greater than half the wavelength of incident light such that the facets substantially diffract light. A polarizing wire-grid layer comprised of an array of elongated parallel conductive wires with a period less than half the wavelength of incident light may be disposed between, beneath, or above the facets. The wire-grid polarizes the light by substantially reflecting light having an s-polarization orientation and substantially transmitting a portion of light having a p-polarization orientation. | 12-30-2010 |
20100328769 | POLARIZATION DEVICE TO POLARIZE AND FURTHER CONTROL LIGHT - A polarization device includes an optical stack with a diffraction grating and a wire grid polarizer with one disposed over the other. The wire grid polarizer includes an array of elongated, parallel conductive wires. The diffraction grating includes an array of elongated parallel dielectric ribs. | 12-30-2010 |
20100328770 | MULTILAYER WIRE-GRID POLARIZER WITH OFF-SET WIRE-GRID AND DIELECTRIC GRID - A wire-grid polarizer includes a wire-grid layer disposed over a substrate. A plurality of contiguous dielectric-grid layers are contiguous with one another and disposed directly on top of the wire-grid layer. The plurality of contiguous dielectric-grid layers includes different materials with different indices of refraction. The array of dielectric material elements and the array of metal elements are oriented substantially parallel with one another, and the arrays having substantially equal periods. | 12-30-2010 |