| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359490000 | By dichroic medium | 21 |
| 20080252974 | Elliptically Polarizing Plate, Optical Film and Image Display - An elliptical polarization plate includes: a scatter/two-color absorption composite type polarizer formed by a film of such a structure that minute areas are scattered in a matrix formed by a translucent resin containing iodine-based light absorber; a transparent support body; and discotic liquid crystal or nematic liquid crystal having an optically anisotropic layer where the optical axis of the liquid crystal molecule is inclined from the transparent support body surface. The elliptical polarization plate has a wide field of view, a high contrast, a high transparency, and a high polarization degree while suppressing the irregularities of the transparency when performing black display. | 10-16-2008 |
| 20090135482 | Intrinsic polarizer - An intrinsic polarizer, including a sheet of PVA-type matrix that includes vinylene polymer blocks, the sheet defining a pass polarization axis and a block polarization axis perpendicular to the pass polarization axis, light having an electrical vector parallel to the pass polarization axis being substantially transmitted through the sheet and light having an electrical vector parallel to the block polarization axis being substantially absorbed by the vinylene blocks, the sheet exhibiting a dichroic ratio of more than 100. | 05-28-2009 |
| 20090303590 | OPTICAL FILTER AND IMAGING APPARATUS - An optical filter that is disposed in front of an image sensor. The optical filter includes a first optical member, and a second optical member that is disposed closer to the image sensor than the first optical member. An anti-reflection multilayer film is formed on an incident surface of the first optical member. A film which is made of a material containing fluorine is formed on an outermost layer of the anti-reflection multilayer film. A dichroic multilayer film is formed between a light-emitting surface of the first optical member and an incident surface of the second optical member. | 12-10-2009 |
| 20100157426 | POLARIZING FILM, METHOD FOR PRODUCING POLARIZING FILM, POLARIZING PLATE, METHOD FOR PRODUCING POLARIZING PLATE, AND ANTI-GLARE VEHICULAR FILM - The present invention provides a polarizing film which contains at least dichroic anisotropic metal nanoparticles and a thermoplastic resin, wherein the polarizing film has a thickness of 12.5 μm or less. | 06-24-2010 |
| 359491000 | Stain or dye | 9 |
| 20090027774 | COMPOSITION FOR ANISOTROPIC DYESTUFF FILM, ANISOTROPIC DYESTUFF FILM AND POLARIZING ELEMENT - A composition that has excellent storage stability and excellent film-forming properties for forming films without streaks or irregularities, an anisotropic dye film that is a uniform coating film free of streaks and irregularities and without deterioration in optical properties, and a polarizing element including the anisotropic dye film are provided. This composition includes a dichroic dye, an agent having at least one function selected from the group consisting of a fungicidal function, an antimicrobial function, and a bactericidal function, and a solvent. The anisotropic dye film and the polarizing element are formed of the composition. | 01-29-2009 |
| 20090040609 | COMPOSITION FOR ANISOTROPIC DYE FILM, ANISOTROPIC DYE FILM, AND POLARIZING DEVICE - The present invention provides an anisotropic dye film having a high dichroic ratio. | 02-12-2009 |
| 20090174942 | Azo compound and dye polarizing film containing the same - Disclosed is an azo compound represented by the formula (1) or (2) below, or a salt thereof. | 07-09-2009 |
| 20090290214 | DICHROIC DYE FOR POLARIZATION FILM, COMPOSITION COMPRISING THE SAME FOR POLARIZATION FILM, METHOD FOR FORMING POLARIZATION PLATE AND POLARIZATION PLATE PREPARED THEREBY - Disclosed are a new dichroic dye having liquid crystal properties and dichroic properties and capable of being used for forming a polarization film with excellent heat resistance, durability, and polarizing properties, a composition including the same for a polarization film, a method for forming a polarization plate with excellent durability using the composition, and a polarization plate prepared thereby. The new dichroic dye has a structure of R1-L1-(M,L,D) (where, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures). The composition for a polarization film includes the dichroic dye. In the method for forming the polarization plate, the composition for a polarization film is applied to a substrate and cured to prepare the polarization plate. The polarization plate has excellent dichroic ratio, heat resistance, durability, and polarizing properties. | 11-26-2009 |
| 20100060984 | LIGHT-POLARIZING ARTICLE AND DYE DISPERSION AND METHOD FOR MAKING SAME - A polarizing dye dispersion, a light-polarizing article and a process for making light-polarizing article utilizing the polarizing dye dispersion. The aqueous polarizing dye dispersion comprises, in addition to a polarizing dye material, a non-ionic surfactant material comprising a plurality of surfactant molecules represented by the following general formula (I): wherein: the average of the number n of all the surfactant molecules ranges from 9 to 200; m is 1 or 2; R, identical or different for each surfactant molecule and each occurrence, independently is an alkyl; at least one R on each surfactant molecule is a C6-C12 straight-chain or branched alkyl; and X, identical or different for each surfactant molecule, independently is an H or a C1-C4 alkyl. | 03-11-2010 |
| 20100085641 | POLARIZER, METHOD OF MANUFACTURING THE SAME, POLARIZING PLATE, OPTICAL FILM, AND IMAGE DISPLAY - A polarizer of the invention comprises a polyvinyl alcohol-based film which is at least dyed with at least iodine and uniaxially stretched, having a single transmittance of 43% or more, a polarizing efficiency of 99.9% or more, and a dichroic ratio of 30 or more, wherein the dichroic ratio is calculated from a parallel transmittance (Tp) and a crossed transmittance (Tc) at a wavelength of 440 nm, and have good hue. | 04-08-2010 |
| 20100142050 | ANISTROPIC DYE LAYER, COORDINATION POLYMER FOR ANISTROPIC DYE LAYER AND POLARIZATION ELEMENT, AND POLARIZATION CONTROL FILM, POLARIZATION CONTROL ELEMENT, MULTI-LAYER POLARIZATION CONTROL ELEMENT, ELLIPSE POLARIZATION PLATE, LIGHT EMISSION ELEMENT, AND METHOD FOR CONTROLLING POLARIZATION PROPERTIES EMPLOYING THE ANISTROPIC DYE LAYER - An anisotropic dye layer containing a coordination polymer is disclosed. The a polarization control film containing an oriented dichroic dye in which light absorption spectrum of a molecule is reversibly changed by charge passing are disclosed. | 06-10-2010 |
| 20100226008 | Azo Compound, And Dye-Containing Polarizing Film Comprising The Same - Disclosed is an azo compound represented by the formula (1) or (2) or a salt thereof. The azo compound or the salt thereof has an excellent light-polarizing property, and is extremely useful as a dichroic dye for use in a polarizing plate that shows less color leakage in a visible light range or a polarizing plate for a liquid crystal projector comprising the aforementioned polarizing plate. (1) (2) wherein R | 09-09-2010 |
| 20100321779 | POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE AND RESISTIVE TOUCH PANEL - The present invention provides a polarizing plate protective film obtained by forming a silane coupling agent layer on one side of a cyclic olefin-based resin film; a polarizing plate wherein the protective film is laminated on one side or both sides of a polarizer through the isocyanate-based silane coupling agent layer; and a resistive touch panel using the polarizing plate. | 12-23-2010 |
| 359492000 | Oriented particles | 8 |
| 20080239489 | Optical polarizer and method for fabricating the same - An optical polarizer includes a supporting member and a polarizing film supported by the supporting member. The polarizing film includes at least one layer of a carbon nanotube film, and the carbon nanotubes in a given carbon nanotube film are aligned in the same direction therein. A method for fabricating the optical polarizer includes the steps of: (a) providing a supporting member; (b) providing at least one layer of a carbon nanotube film, the carbon nanotubes in a given carbon nanotube film aligned along the same direction; and (c) adhering a given carbon nanotube film to the supporting member to form the optical polarizer. | 10-02-2008 |
| 20090059367 | Light-polarizing article and process for making same - A process wherein a polymer, such as DNA, having a defined chemical composition and size is used to template the alignment of polarizing species, such as optically active organic dyes or metal nanoparticles having defined compositional characteristics and/or size and shape characteristics, on a surface to manufacture a thin film polarizer; a process where metal nanorods are aligned on a substrate surface or inside a substrate to make a polarizer; and a polarizer thus made. Multi-layered polarizing structure can be created by using the process of the present invention. | 03-05-2009 |
| 20090168172 | Glass Polarizer for Visible Light - A glass polarizer applicable to projection-type liquid crystal displays and the like and having an excellent transmittance and extinction ratio with respect to light in the visible light region (500 nm to 600 nm) using silver halide containing glass as a starting material is provided. | 07-02-2009 |
| 20090237787 | POLARIZING GLASS CONTAINING COPPER AND OPTICAL ISOLATOR - To Provide a polarizing glass with better weatherability than conventional polarizing glasses, affording high long-term reliability without the above-described surface deterioration. To provide an optical isolator employing polarizing glass of improved weatherability, affording good weatherability and high reliability for extended periods. | 09-24-2009 |
| 20100046072 | COMPOSITE METAL NANOROD, COMPOSITE METAL NANOROD-CONTAINING COMPOSITION, AND POLARIZATION MATERIAL - A composite metal nanorod, including a core nanorod and a shell, the core nanorod being covered with the shell to form a core-shell structure, wherein the composite metal nanorod contains at least two different metals, and wherein the composite metal nanorod has an equivalent-volume-sphere radius of 15 nm or smaller and has an aspect ratio of 1.1 to 10. | 02-25-2010 |
| 20100060985 | METHOD FOR PRODUCING POLARIZING PLATE, AND AUTOMOBILE'S WINDSHIELD - A polarizing plate including a polarizing film containing at least a polarizer, wherein the polarizing film has a main absorption axis which is polygonally or smoothly curved. | 03-11-2010 |
| 20100079863 | OPTICAL ELEMENT, METHOD FOR PRODUCTION THEREOF, AND USAGE THEREOF - The invention relates to an optical element, a method for the production thereof, and the usage thereof as an isolator or polarizer. An inventive optical element for a frequency window of the electromagnetic spectrum comprises a first component which has the function of a quarter wavelength plate, and a second component joined thereto which has a circular dichroism. When the first component is exposed to a linearly polarized wave, the optical element can be used as an optical isolator. When, however, the second component is exposed to the linearly polarized wave, the optical element can be used as an optical polarizer. An inventive optical element which is used as an optical isolator can be deployed in laser systems to reduce or suppress the feedback of the laser. In addition, windows can be thus produced which in a specific frequency window are transparent in only one direction. Unidirectional thermal insulation is thereby produced for the infared wavelength region. | 04-01-2010 |
| 20100284074 | POLARIZING GLASS, OPTICAL ISOLATOR, AND METHOD FOR PRODUCING POLARIZING GLASS - A polarizing glass includes shape-anisotropic metal particles oriented and dispersed in a glass substrate, the concentration of the metal particles having a distribution in which in the travel direction of light in which a polarizing function is exhibited, the concentration is substantially zero near one of the surfaces of the glass substrate and near the other surface, gradually increases from one of the surfaces of the glass substrate to the other surface, becomes a value within a predetermined range in the glass substrate, and then gradually decreases toward the other surface. | 11-11-2010 |
