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| Number | Title | Issue Date |
| 7667894 | Security element and process for producing the same A security element for securing value documents has a first light-polarizing layer that is present at least in some areas and includes a cholesteric liquid crystal material, that selectively reflects light having a predetermined circular polarization, and that selec... | 02/23/2010 |
| 7643211 | 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 t... | 01/05/2010 |
| 7573637 | Intrinsic polarizer and method of manufacturing an intrinsic polarizer An improved method of forming an intrinsic polarizer, referred to as a K-type polarizer, includes stretching a polymeric film a first stretching step. The polymeric film comprises a hydroxylated linear polymer which is converted after the first stretching step to fo... | 08/11/2009 |
| 7443584 | Polarizer and equipment for manufacturing the same A polarizer (2) for a liquid crystal display device includes a polarizer base (21), a first protective layer (20) and a second protective layer (22) on two sides of the polarizer base for protecting the polarizer base, and an anti-reflect... | 10/28/2008 |
| 7429111 | Two-panel color management system The invention provides a two-panel color management system for projection display applications, wherein color sequencing is accomplished using achromatic beam switching and static color separation. In a preferred embodiment, a liquid-crystal polarization switch alte... | 09/30/2008 |
| 7408710 | Polarizer device adapted to polarized light The invention provides a polarizer device. The polarizer device according to the invention is adapted to a polarized light having an electric field direction. In particular, the polarizer device according to the invention enables the polarizer to be automatically ad... | 08/05/2008 |
| 7399376 | Polarizing plate laminated with an improved glue composition and a method of manufacturing the same The present invention generally relates a method of forming a polarizing plate comprising providing two protective cover sheets, each protective cover sheet for polarizers comprising a low birefringence protective polymer film and a layer promoting adhesion to poly(... | 07/15/2008 |
| 7390095 | Projector Aspects of the invention can provide a projector that includes three optical modulators which modulate respectively red light, green light, and blue light, a color-synthetic optical system which synthesizes the light modulated by the three optical modulators, and a ... | 06/24/2008 |
| 7385760 | Optical element and optical pickup device used therewith An optical element for reflecting light has a substrate and a thin film formed on the substrate. The thin film reflects light in a predetermined reflection wavelength band so that the thin film adjusts a difference in phase differences between a P-polarized light co... | 06/10/2008 |
| 7380960 | Illumination system An illumination system includes a beam splitting unit, a first lamp, a second lamp and a reflective component. The beam splitting unit has a splitting interface. One of the first lamp, the second lamp and the reflective component is disposed at one side of the beam ... | 06/03/2008 |
| 7364302 | Projection display system using multiple light sources and polarizing element for using with same An image projection system has two illumination beams of different colors. A first polarizing beamsplitter (PBS) has first and second input faces. Light of the first color is incident on the first input face and the light of the second color is incident on second in... | 04/29/2008 |
| 7362943 | Polymeric photonic crystals with co-continuous phases An optical element is formed by co-extruding to have an arrangement of polymer scattering fibers within a polymer matrix. The scattering fibers lie substantially parallel to a first axis. The scattering fibers are arranged at positions across the cross-section of th... | 04/22/2008 |
| 7354150 | Polarizing plate with melanin The present invention is directed to the incorporation of melanin in an optical article with polarization properties. Such an article includes a first polymer layer containing a polarizing agent, a second polymer layer containing melanin and wherein the second polym... | 04/08/2008 |
| 7356229 | Reflective polarizers containing polymer fibers A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is... | 04/08/2008 |
| 7355663 | Polarizing plate and liquid crystal display using the same A polarizing plate excellent in polarization performance in all wavebands from a short wavelength region to a long wavelength region and a liquid crystal display using such a polarizing plate. The polarizing plate including a polarizer has a portion having a polariz... | 04/08/2008 |
| 7349138 | Polarizing, photochromic devices and methods of making the same Provided is a composite optical element including: a substrate; an at least partially ordered polymeric sheet connected to at least a portion of the substrate; and at least one thermally reversible... | 03/25/2008 |
| 7334900 | Three-dimensional image projecting apparatus The invention provides a three-dimensional image projecting apparatus. The three-dimensional image projecting apparatus comprises a light signal generator, a filter device, a focusing device and a reflecting device. The light signal generator is used for generating ... | 02/26/2008 |
| 7326374 | Polarizing plate, adhesive for polarizing plate, optical film and image display device A polarizing plate of the present invention comprising a polarizer and a protective film provided on at least one surface thereof with an adhesive layer, wherein the protective film comprises (A) a thermoplastic resin having a substituted and/or non-substituted imid... | 02/05/2008 |
| 7320521 | Optical engine architectures An optical engine architecture that operates as either a two-imager or a three-imager optical engine. The optical engine uses a first PBS cube and a second PBS cube having an optical axis between them. In between the first PBS cube and second PBS cube are two quarte... | 01/22/2008 |
| 7317576 | Dichroic filters on flexible polymer film substrates Now, according to the present invention, dichroic filters are provided that incorporate a flexible polymer film substrate, such as poly(ethylene naphthalate), onto which a dielectric and/or reflective metal stack has been formed. Filters of the present invention are... | 01/08/2008 |
| 7311399 | Method of making a thermoplastic-based article and a thermoplastic-based article made thereby An article, such as a lens article (10, 10′, 10″, 100) containing a first component, e.g., a filter (14, 14′), or component thereof, having a minimum degradation temperature, and a second component, e.g., a substrate (22, 22′), comprisin... | 12/25/2007 |
| 7289266 | Polarizer, optical film, and image display A polarizer including a film having a structure having a minute domain dispersed in a matrix formed of a translucent water-soluble resin including an iodine light absorbing material, provides a high polarization degree in short wavelength side. The polarizer has a h... | 10/30/2007 |
| 7286275 | Polarizing, photochromic devices and methods of making the same Provided is an optical element including a substrate; a first at least partial coating of an at least partially ordered alignment medium connected to at least a portion of at least one surface of the substrate; a s... | 10/23/2007 |
| 7267443 | Light-modulating projector Exemplary embodiments of the invention provide a projector that can readily correct for chromatic aberration caused by, for example, a projecting lens without having to give a cross dichroic prism, for example, a special preliminary process. Illumination-light compo... | 09/11/2007 |
| 7251075 | Polarizers coated with optically functional layers An optical stack includes an intrinsic polarizer, such as a K-type or thin KE polarizer sheet. Optically functional coatings are disposed on one or both of the surfaces of the intrinsic polarizer. The optically functional coatings include a hardcoat, a transflector ... | 07/31/2007 |
| 7245431 | Reflective polarizer assembly An assembly that includes a first reflective polarizer substantially reflecting light having a first polarization state and substantially transmitting light having a second polarization state, a polarization rotating layer or depolarizing layer (or both) positioned ... | 07/17/2007 |
| 7234820 | Illuminators using reflective optics with recycling and color mixing Various optical techniques are described for obtaining a specified light output from an LED source. One technique uses a parabolic reflector surrounding an LED or LED array to create a collimated beam, and the light exit opening of the parabolic reflector is defined... | 06/26/2007 |
| 7234817 | Liquid crystal projection system A projection system is provided. The projection system comprises a projector for producing a polarized light for projecting an image and a projection screen on which the image projected by the projector is visualized. The polarization plane of the polarized light an... | 06/26/2007 |
| 7235283 | Optical compensation plate and deflecting plate using the same The present invention provides an optical compensation plate having an optical compensation layer in which cracks occurring due to an applied pressure is suppressed. By applying a curable adhesive agent onto at least one surface of the optical compensation layer and... | 06/26/2007 |
| 7230760 | Polarizers and isolators and methods of manufacture A passively aligned optical isolator includes laminated layers of material including two polarizing glass layers sandwiching a Faraday rotator layer. Each polarizing glass layer comprises a glass matrix containing elongated metal particles exhibiting a change in pol... | 06/12/2007 |
| 7221510 | Method of producing polarizing film, polarizing film and image display device using the same A process for producing a polarizing film including a step of stretching a raw film, wherein the ratio (L/W) of stretching distance (L) to width of initial raw film (W) is from 0.5 to 30. ... | 05/22/2007 |
| 7216976 | Polyurethane resin composition for optical lenses and impact strength synthetic resin lenses An impact strength synthetic resin lens is provided in which transparency of a synthetic resin lens material of a polyurethane and releasability are improved to improve productivity and no stria are produced. The impact strength synthetic resin lens is manufactured ... | 05/15/2007 |
| 7204443 | Roll of polyvinyl alcohol film and polarizing film prepared therefrom A polyvinyl alcohol film roll including a cylindrical core tube made of a metallic material and having a surface roughness of at most 100 S and a polyvinyl alcohol film wound up around the cylindrical core tube, the film roll being obtained by forming the film from ... | 04/17/2007 |
| 7203002 | Polarizer, polarizing plate, liquid crystal display, and image display, and a method for producing the polarizer A polarizer used for an image display such as a liquid crystal display, a plasma display, and an electroluminescence display, and the polarizer suppresses coloring of transmitted light. The polarizer includes a polymer film having a difference of 10% or less between... | 04/10/2007 |
| 7185989 | Color separation device, imaging optical engine, and projection apparatus A color separation device according to the present invention comprises a first color separation member having a first polarization direction changing element and a second polarization direction changing element, and a first polarization separation element, and a sec... | 03/06/2007 |
| 7176850 | Overlay process of images The present invention provides a technology that enables projection images to be overlaid with embellishment effects without depending on the capabilities of the image supply apparatus. A projection display apparatus that projects images onto a screen responsive to ... | 02/13/2007 |
| 7154573 | Electro-optical device and electronic apparatus including the same To provide an electro-optical device displaying high-contrast images in all directions due to the orthogonality of the polarization axes of the polarizers by improving the structure of the polarizers, and an electronic apparatus including the same. In an electro-opt... | 12/26/2006 |
| 7149031 | Polarizing filter and producing method thereof In order to produce a polarizing filter, first and second protective films are adhered to respective surfaces of a polarized film. When M1, M2 are determined as respective coefficients of expansion by water absorption of the first and second protective... | 12/12/2006 |
| 7136225 | Polarizing plate and method for producing the same An iodine type polarizing plate is provided, the plate having a polyvinyl alcohol resin film in/on which iodine is adsorbed and oriented and a protective film adhered to at least one surface of the resin film with a transparent adhesive layer containing zinc in an a... | 11/14/2006 |
| 7128415 | Method of forming polarized or photochromic lenses by fusing polycarbonate with other plastic materials The invention provides techniques for making polycarbonate or plastic lenses. In one exemplary embodiment, for example, an electrical discharge is applied to a polarized film surface and a treatment applied on the polarized film to make a glue card. An adequate amou... | 10/31/2006 |
