Class / Patent application number | Description | Number of patent applications / Date published |
359352000 | Having polarizing element | 49 |
20080198446 | OPTICAL FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE OPTICAL FILM - An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle. | 08-21-2008 |
20090009856 | Space-variant polarization manipulation of thermal emission - A method for Space-variant polarization manipulation of enhanced nondirectional thermal emission in a narrow spectral peak is disclosed, comprising providing a subwavelength grating irradiating non-directional thermal emission on the grating and discretely controlling the local orientation of the grating. | 01-08-2009 |
20090009857 | OPTICAL LOW-PASS FILTER AND IMAGING APPARATUS HAVING SAME - An optical low-pass filter is disposed on a light-receiving surface of an imaging device. The filter has a light-transmitting substrate including at least one birefringent plate and an infrared-cut plate , a dust-proofing layer provided on a light-input surface of the light-transmitting substrate, and an infrared-cut coat layer provided between the dust-proofing layer and the light-transmitting substrate or on a light-output surface of the light-transmitting substrate. A surface of the dust-proofing layer contains fine roughness. | 01-08-2009 |
20090128893 | LOW-EMISSIVITY WINDOW FILMS AND COATINGS INCORPORATING NANOSCALE WIRE GRIDS - A high-transparency, low-emissivity window film or coating is designed to maximize so-called greenhouse heating. This effect is achieved through the use of conductive grids and/or gratings whose width and spacing has been selected such that the grid appears as a uniform conductive film to long-wavelength infrared (blackbody) radiation. The conductive grid film reflects the blackbody radiation strongly, and such that the grid appears highly transparent to visible and near-infrared light, and therefore transmits it. | 05-21-2009 |
20100118392 | POLARIZER - A polarizer of the present invention having a higher level of polarization performance for a light in the deep ultraviolet wavelength range includes: a substrate transparent to deep ultraviolet light; and a periodic structure including a plurality of structural elements at predetermined intervals on the substrate, the polarizer being configured so that the deep ultraviolet light incident thereon is split into a light component reflected by the periodic structure and a light component passing between the structural elements adjacent to each other, and the periodic structure being composed of chromium oxide or tungsten. | 05-13-2010 |
20100157420 | Light irradiation apparatus - A light irradiation apparatus adapted to form an alignment of an LCD device through a photo alignment process is disclosed. The light irradiation apparatus includes a light source generating ultraviolet light, a polarizer polarizing the ultraviolet light generated in the light source, and a filter blocking off the polarized light from the polarizer except an effective wavelength band of light for a photo alignment. | 06-24-2010 |
20100265571 | OPTICAL FILMS AND METHODS OF MAKING THE SAME - Films for optical use, articles containing such films, methods for making such films, and systems that utilize such films, are disclosed. | 10-21-2010 |
20110149386 | OPTICAL LOW PASS FILTER - The present invention relates to a low pass filter including a wave plate capable of modulating incident light serving as image information such that A-polarized light and B-polarized light orthogonal to the A-polarized light are at an equivalent light quantity level over a visible light region, i.e., a transmittance takes a value close to 50%. According to the low pass filter of the present invention, it is possible to appropriately reduce a moiré phenomenon generated by an image sensor constituting the optical low pass filter including the above-described wave plate, and suppress degradation of an image quality caused by light quantity deflection of a separated light beam, and the low pass filter of the present invention is therefore useful. | 06-23-2011 |
20110216396 | HIGH DURABILITY 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. The optical elements include a wavelength selective dichroic mirror that reflects a major portion of actinic light that can damage a reflective polarizer within the optical element. The wavelength selective dichroic mirror transmits a major portion of other wavelengths of light. The resulting color combiners using the optical element may have improved durability compared to a color combiner lacking the wavelength selective dichroic mirror. Image projectors using the color combiners can include reflective (including digital micro-mirror) or polarization (including liquid crystal) imaging modules. | 09-08-2011 |
20110255154 | POLARIZING PLATE AND IMAGE DISPLAY APPARATUS - A polarizing plate according to an embodiment of the present invention includes a polarizer, a UV-shielding layer containing inorganic fine particles each having a band gap of 3.0 eV or more and a binder resin and a protective film. The UV-shielding layer contains the inorganic fine particles at a content of 40 to 80 vol %, and has a thickness of 400 nm or less. | 10-20-2011 |
20110261441 | Spectral Filter - This invention relates to use of metamaterials for creating spectral selectors of electromagnetic radiation. Planar metamaterial films patterned on the sub-wavelength scale can be used in polarization filters instead of natural and synthesized bulk crystals. Characteristics and the quality factor of metamaterial filters is controlled by the geometry of the pattern. Various types of metamaterials and filter configurations are proposed. | 10-27-2011 |
20110310470 | DISPLAY DEVICE - At least one embodiment of the present invention provides a display device that is capable of suppressing reflection and temperature increases in a display panel so that a favorable display characteristic is obtained even during outdoor use, and that can be realized by a simple configuration. In at least one example embodiment, the present invention is a display device including: a display panel; and a protective plate disposed further toward a viewing surface side than the display panel, wherein a low reflection film formed with a nanostructure is provided on a main surface of the protective plate on the viewing surface side, and a circularly polarizing plate and an infrared ray shielding film are disposed in sequence from the protective plate side toward the display panel side on a main surface of the protective plate on a side for disposing the display panel. | 12-22-2011 |
20120057222 | SINGLE CRYSTAL OF MAGNESIUM FLUORIDE, OPTICAL MEMBER AND OPTICAL ELEMENT COMPRISING THE SAME - A single crystal of magnesium fluoride having a large diameter and excellent optical properties such as internal transmittance and long term laser durability, and suited for use as optical elements for exposing apparatus. The single crystal of magnesium fluoride is of a cylindrical shape having a straight body portion of a diameter of not smaller than 10 cm, has an internal transmittance of at least 85%/cm at 120 nm and at least 98%/cm at 193 nm and has, desirably, an induced absorption of not larger than 0.0030 absorption/cm at 255 nm and, particularly desirably, not larger than 0.0010 absorption/cm. at 255 nm immediately after the irradiation with 2 million shorts of an ArF excimer laser of an energy density of 30 mJ/cm | 03-08-2012 |
20120092757 | IMPROVED OVER-UNDER LENS FOR THREE-DIMENSIONAL PROJECTION - An over/under lens for projecting a 3D film print possesses a circular polarization module that includes a clockwise circular polarization filter assembly and a counterclockwise circular polarization filter assembly. The clockwise and counterclockwise circular polarization filter assemblies advantageously limit cross talk occurring between left-eye and right eye images, thus improving the viewing experience. | 04-19-2012 |
20120218626 | INFRARED-RAY REFLECTIVE MEMBER - Disclosed is an infrared-ray reflective member which efficiently reflects infrared rays (heat rays) contained in sunlight while transmitting visible light rays. The infrared-ray reflective member has an infrared-ray reflective layer having a selective reflection layer for reflecting infrared rays of a right-circularly polarized light component or a left-circularly polarized light component, and the infrared-ray reflective layer has a first reflection band corresponding to a first radiant energy band containing a peak located closest to the short-wavelength side of the infrared range of the spectrum of sunlight on earth, and when the maximum reflectance in the first reflection band is determined at R | 08-30-2012 |
20130038927 | GARNET SINGLE CRYSTAL, OPTICAL ISOLATOR AND OPTICAL PROCESSOR - The present invention provides a garnet single crystal comprising a terbium aluminum garnet single crystal, wherein a portion of the aluminum is substituted with scandium, and a portion of at least one of the aluminum and terbium is substituted with at least one type selected from the group consisting of thulium, ytterbium and yttrium. | 02-14-2013 |
20130070331 | BROADBAND POLARIZATION SWITCHING - A polarization switching apparatus has a first birefringent polarizer formed as a composite prism and disposed to direct incident light of a first polarization along a first optical path and light of a second polarization along a second optical path, wherein the second optical path is oblique to the first optical path. A beam redirector is disposed to redirect the first optical path from the first birefringent polarizer toward an input face of a second birefringent polarizer; wherein the second birefringent polarizer is also formed as a composite prism and is disposed to combine incident light of the first and second polarizations onto a common output path. A shutter apparatus is actuable to selectively block light of the first polarization or light of the second polarization from the input face of the second birefringent polarizer. | 03-21-2013 |
20130077156 | POLARIZING FILTER WITH MULTIFUNCTION AND METHOD FOR MANUFACTURING POLARIZING FILTER WITH MULTIFUNCTION - A multifunctional polarizing filter is used for a digital camera, and is produced by advanced optical technology to have a very small thickness and an integral structure in order to prevent a vignetting phenomenon in which the captured image is adversely affected by the frame of the filter. | 03-28-2013 |
20130088772 | System and Method of Applying Infrared Dye on Sunglasses and Other Lenses - Methods of making eyeglasses lens are disclosed where the layers of the lenses include an infrared dye absorbed coating layer to provide an additional layer of protection against infrared, wherein the said coating decreases damage to the retina and cornea, improves contrast of color, increases visibility, and improves aesthetics of the lens. | 04-11-2013 |
20130155494 | Two-Dimensional Auto-Cloning Polarizing Beam Splitter - Disclosed is a miniature, two-dimensional, auto-cloning, polarizing beam splitter that includes a substrate and an optical multilayer. The substrate is formed with a periodic structure. The optical multilayer is formed on the periodic structure of the substrate. The optical multilayer includes a (LH) | 06-20-2013 |
20130194658 | LIGHT SHIELDING LENS FOR PROTECTIVE EYEGLASSES - A light-shielding lens which can cut ultraviolet or visible radiation having wavelengths of 430 nm and shorter or of 500 nm and shorter and which can sufficiently satisfy users' demand for its color. The lens contains 0.01 to 2 parts by mass of an indole-based ultraviolet absorbing dye having a melting point of 140 to 150° C., based on 100 parts by mass of a synthetic resin forming the lens, and preferably further contains an oil-soluble dye, whereby the lens can cut ultraviolet and visible radiation having wavelengths of 430 nm and shorter. Since the predetermined amount of the indole-based ultraviolet absorbing dye is sufficiently dissolved in the synthetic resin, it efficiently reveals its expected function. The lens can thus cut ultraviolet and visible radiation having wavelengths of 430 nm and shorter, or even 500 nm and shorter, while keeping highly transparent light color. | 08-01-2013 |
20130222892 | INTERACTIVE POLARIZATION-SELECTIVE PROJECTION DISPLAY - The disclosure generally relates to optical devices, such as interactive displays, and in particular to interactive projection displays having passive interactive input devices. The present disclosure also provides a passive interactive input device ( | 08-29-2013 |
20130293949 | ADHESIVE COMPOSITION CURABLE WITH ACTIVE ENERGY RAY, POLARIZING PLATE, OPTICAL FILM, AND IMAGE DISPLAY DEVICE - An adhesive composition curable with an active energy ray includes radical polymerizable compounds (A), (B) and (C) as curable components. The composition includes the radical polymerizable compound (A) having an SP value of 29.0 to 32.0 (kJ/m | 11-07-2013 |
20130335815 | POLARIZATION SEPARTION ELEMENT - The present application relates to a polarization separation element, a method for manufacturing a polarization separation element, a device for irradiating light, a method for irradiating light, and a method for manufacturing a photo-alignment layer. An ultraviolet ray polarization separation element, according to the present invention, has superior resistance to ultraviolet rays and heat, and involves a simple manufacturing process due to less pitch dependency of polarizing characteristics. In addition, the polarization separation element according to the present application can achieve a superior degree of polarization and extinction ratio even within a short wavelength field. | 12-19-2013 |
20140029086 | METHOD FOR POLARIZING A TERAHERTZ ELECTROMAGNETIC WAVE USING A POLARIZER - This disclosure provides a new method for polarizing an electromagnetic wave having a frequency of not less than 0.1 THz and not more than 0.8 THz using a polarizer. The method comprises: a step (a) of preparing the polarizer; wherein the polarizer comprises a sapphire single crystalline layer and a Ca | 01-30-2014 |
20140111849 | APPARATUS AND METHOD FOR MOSAIC GRATINGS-BASED POLARIZER - A polarizer may be flexibly mounted within a frame to yield. The polarizer may then be handled, within the frame, without directly contacting the polarizer. A plurality of such frame-mounted polarizers may be combined in a tray in which they are aligned to form a mosaic polarizer that may be configured as a one-dimensional, linear, polarizer array or a two-dimensional, rectangular, polarizer array. | 04-24-2014 |
20140133013 | OPTICAL COMPONENT - An optical component including: a first substrate body which is made of a platy member allowing infrared laser beam to be transmitted therethrough and having a refractive index of 2 to 4 with respect to the infrared laser beam, and which has an input surface where the infrared laser beam is incident, and an inclined surface inclined to the input surface at an angle of inclination, calculated in accordance with Formula (I): | 05-15-2014 |
20140133014 | BORATE BIREFRINGENT CRYSTAL APPLICABLE TO ULTRAVIOLET (UV) OR DEEP ULTRAVIOLET (DUV) RANGE, AND GROWTH METHOD AND USE THEREOF - The present invention relates to a borate birefringent crystal applicable to ultraviolet (UV) or deep ultraviolet (DUV) range, with chemical formula of Ba | 05-15-2014 |
20140139910 | MONOLITHIC, LINEAR GLASS POLARIZER AND ATTENUATOR - The disclosure is directed to an element that is capable of acting as both an optical polarizer and an optical attenuator, thus integrating both functions into a single element. The element comprises a monolithic or one piece glass polarizer (herein also call the “substrate”), a multilayer “light attenuation or light attenuating” (“LA”) coating that has been optimized for use at selected wavelengths and attenuations deposited on at least one polarizer facial surface, and a multilayer anti-reflective (AR) coating on top of the LA coating. The disclosure is further directed to an integrated optical isolator/attenuator comprising a first and a second polarizing elements and a Faraday rotator for rotating light positioned after the first polarizing element and before the second polarizing element, the integrated optical isolator/attenuator both polarizing and attenuation a light beam from a light source. | 05-22-2014 |
20140139911 | BROADBAND SEMICONDUCTOR FARADAY EFFECT DEVICES IN THE INFRARED - A Faraday rotator is formed of a class of semiconductor materials of low free carrier density wherein, in the presence of a suitable magnetic field, interband transition Faraday rotation is opposite in sign from free carrier effect Faraday rotation and interband transition Faraday rotation predominates over free carrier effect Faraday rotation such that net Faraday rotation can remain nearly unchanged over broad IR spectral regions where the short wavelength limit is typically near the bandgap absorption. Thus, the class of semiconductors meeting these conditions can function as high performance broadband optical isolators in the infrared. Suitable materials include InAs of suitable purity. | 05-22-2014 |
20140177040 | DISPLAY DEVICE AND HEAD-UP DISPLAY DEVICE PROVIDED THEREWITH - A display device includes a display panel having a display surface, an infrared cut filter layer disposed at a display surface side of the display panel, and a polarization layer disposed at a position farther from the display surface than the infrared cut filter layer in such a manner that the polarization layer is in contact with the infrared cut filter layer, the polarization layer having a higher transmittance of infrared light than that of the infrared cut filter layer. | 06-26-2014 |
20140285878 | Polarization Conversion Systems with Polarization Gratings and Related Fabrication Methods - A polarization conversion system includes a lens element, a polarization grating comprising a diffractive element having a spatially-varying local optical axis, and a retarder element. The polarization grating is arranged to receive light that is output from the lens element, and the retarder element arranged to receive polarized light of different polarization states that is output from the polarization grating and change the different polarization states to a same polarization state. Related devices and fabrication methods are also discussed. | 09-25-2014 |
20140313571 | DURABLE, INORGANIC, ABSORPTIVE, ULTRA-VIOLET, GRID POLARIZER - An inorganic, dielectric grid polarizer device includes a stack of film layers disposed over a substrate. Each film layer is formed of a material that is both inorganic and dielectric. Adjacent film layers each have different refractive indices. At least one of the film layers is discontinuous to form a form-birefringent layer with an array of parallel ribs having a period less than 400 nm. Another layer, different than the form-birefringent layer, is formed of an optically absorptive material for the ultra-violet spectrum. | 10-23-2014 |
20140320955 | MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS - The disclosure relates to a microlithographic projection exposure apparatus, such as are used for the production of large-scale integrated electrical circuits and other microstructured components. The disclosure relates in particular to coatings of optical elements in order to increase or reduce the reflectivity. | 10-30-2014 |
20150022878 | OPTICAL FILM HAVING EXCELLANT UV BLOCKING EFFECT AND POLARIZING PLATE COMPRISING THE SAME - An optical film and a polarizing plate including the same are provided. The optical film includes an acrylic resin having a glass transition temperature of 120° C. or higher and including an alkyl (meth)acrylate-based repeating unit and a styrene-based repeating unit, and a UV absorbent having a 1% thermal decomposition temperature greater than or equal to a temperature 2.5 times that of the glass transition temperature of the acrylic resin. | 01-22-2015 |
20150049380 | POLARIZED FILM, OPTICAL FILM, AND IMAGE DISPLAY DEVICE - A polarizing film, comprising a polarizer; transparent protective films with a water-vapor permeability of 150 g/m2/24 hours or less provided on both sides of the polarizer; and adhesive layers each interposed between the polarizer and one of the transparent protective films, wherein the adhesive layers are formed by applying an active energy ray to an active energy ray-curable adhesive composition containing a radically polymerizable compound, and the transparent protective films are bonded to the polarizer with the adhesive layers. | 02-19-2015 |
20150062694 | Organic Compound, Anisotropic Optical Film and Method of Production Thereof - The present invention is related to 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one derivatives of the general structural formula (I), the anisotropic optical film based on these derivatives with phase-retarding properties for displays, and method of producing thereof: | 03-05-2015 |
20150077838 | Fresnel Rhomb - A Fresnel rhomb which can be used over a wide range of wavelengths, including wavelengths below 250 nm, takes into account the orientation of the crystal structure of the rhomb during manufacturing of the rhomb and adjusts the entrance side of the front end in relation to the direction-dependent birefringence. The beam incident on the Fresnel rhomb always forms a set angle of 90° with the front end in order to achieve the desired effect. If the orientation of the crystal structure is taken into account when the front end is manufactured and appropriately adjusted, the light beam will follow a given direction through the crystal. In such a way non-isotrop properties of the material can be considered and used for the desired application. One of such non-isotrop properties of the material is, for example, the direction-dependent birefringence when using CaF | 03-19-2015 |
20150092264 | OPTICAL FILM EXHIBITING EXCELLENT BLOCKING PROPERTIES FOR ULTRAVIOLET LIGHT AND POLARIZING PLATE INCLUDING THE SAME - There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr | 04-02-2015 |
20150116817 | ACTIVE ENERGY RAY CURABLE ADHESIVE COMPOSITION, POLARIZING FILM AND METHOD FOR PRODUCING SAME, OPTICAL FILM AND IMAGE DISPLAY DEVICE - An active energy ray-curable adhesive composition comprising radically polymerizable compounds (A), (B) and (C) as curable components, wherein the radically polymerizable compound (A) has an SP value of 29.0 (kJ/m | 04-30-2015 |
20150323839 | METHOD FOR PREPARING ALIGNMENT FILM, METHOD FOR IMPLEMENTING ORIENTATION, AND LIQUID CRYSTAL DISPLAY DEVICE - An array substrate, a color filter substrate or a liquid crystal display device comprises an alignment film ( | 11-12-2015 |
20150369984 | OPTICAL FILM - An optical film including a thermoplastic birefringent multilayer optical film and a UV-cured layer disposed adjacent an outer layer of the multilayer optical film is described. The outer layer has a thickness in a range of about 0.5 micrometers to about 1.0 micrometers and the UV-cured layer includes a structured surface opposite the outer layer. The UV-cured layer has a Tg less than about 30° C. and has a pencil hardness in a range of 2B to 2H. | 12-24-2015 |
20160102827 | LIGHT REDIRECTLY FILM LAMINATE - Light management film constructions contain a first optical film having a first major surface and a second major surface opposite the first major surface. The first major surface is a microstructured surface with asymmetrical structures. The asymmetrical structures form an ordered arrangement of a plurality of multi-sided refractive prisms, with the multi-sided refractive prisms having a cross section of 3 or greater sides. A second optical film contacts and is bonded to substantially all of the structures of the first major structured surface of the first optical film. The light management constructions can be incorporated into optical articles such as windows. | 04-14-2016 |
20160109628 | MULTILAYER OPTICAL FILM HAVING OVERLAPPING HARMONICS - A multilayer optical film including a stack of microlayers arranged into optical repeat units. At a design angle of incidence, such as normal incidence, the stack provides a 1 | 04-21-2016 |
20160170101 | MULTILAYER STACK WITH OVERLAPPING HARMONICS FOR WIDE VISIBLE-INFRARED COVERAGE | 06-16-2016 |
20160170117 | LIGHT EMITTING MODULE AND METHOD FOR GENERATING ULTRABROADBAND NEAR-INFRARED LIGHT | 06-16-2016 |
20160195656 | STRUCTURE OF ULTRAVIOLET LIGHT POLARIZATION COMPONENT AND MANUFACTURING PROCESS THEREFOR | 07-07-2016 |
20160195657 | Short-wavelength polarizing elements and the manufacture and use thereof | 07-07-2016 |
20170235032 | OPTICAL FILM | 08-17-2017 |