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| Number | Title | Issue Date |
| 8064035 | Polarization gratings in mesogenic films A polarizer including a polarization grating comprising a polarization sensitive photo-alignment layer and a liquid crystal composition arranged on said photo-alignment layer. An alignment pattern, corresponding to the polarization pattern of a hologram, is recorded... | 11/22/2011 |
| 8054442 | Low color shift polarizer assembly, and back light units and liquid crystal displays containing the same A low color shift polarizer assembly is provided, comprising a cholesteric liquid crystal film with a plurality of very tiny grooves which are irregularly dispersed on a surface of the cholesteric liquid crystal film. The selective reflective wavelength range of the... | 11/08/2011 |
| 8023098 | Production method for birefringent film, birefringent film, and laminate Provided is a production method for a thin birefringent film with a satisfactory alignment property, in which a refractive index is controlled three-dimensionally and optical properties are unlikely to decrease in the case where the birefringent film is placed under... | 09/20/2011 |
| 7978302 | Fabrication of dichroic guest-host polarizer A method for the manufacture of a polarizer is provided. The method comprises providing a liquid crystal composition comprising a liquid crystal host and a viscosity enhancer; providing a thin film of said composition on a substrate; orienting said liquid crystal ho... | 07/12/2011 |
| 7940368 | Structure of polarizing terahertz wave device The Terahertz Polarizer structure of the present invention comprises of: A pair of parallel quartz layers for forming a rectangular cube with internal space, then a birefringent liquid crystal is placed in the internal space and sealed, and a pair of permanent magne... | 05/10/2011 |
| 7764354 | Multi-layer diffraction type polarizer and liquid crystal element A multi-layer diffraction type polarizer is formed by laminating at least two polarizing diffraction gratings each having a birefringent material which straightly transmits incident light having a first polarization direction without functioning as a diffraction gra... | 07/27/2010 |
| 7486376 | Broadband reflective polarizer for liquid crystal display using overcoating method The present invention relates to a method of manufacturing a reflective polarizing film for a liquid crystal display device in which cholesteric liquid crystal layers having different selective light-reflecting wavelengths are laminated in the laminated coating meth... | 02/03/2009 |
| 7446848 | Optical element, condensing backlight system and liquid crystal display An optical element of the invention comprises at least two laminated circular-polarization-type-reflection polarizers (a) whose wavelength bands for selective reflection of polarized light overlap one another, wherein the at least ... | 11/04/2008 |
| 7443464 | Liquid crystal display unit A partial polarization member is provided on a second substrate. The partial polarization member is provided corresponding to an aperture of a reflection film, and is not provided in other areas that overlap with reflectors of a reflection film. Therefore, light tha... | 10/28/2008 |
| 7443474 | Optical compensatory sheet having optically anistropic layer formed from liquid crystal molecules The optical compensatory sheet has a transparent support and an optically anisotropic layer formed from liquid crystal molecules aligned in an average inclined angle of less than 5°. The optical compensatory sheet gives the retardation value in plane (Re) in the ra... | 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 |
| 7400377 | Display having particular polarisation modifying layer A display is provided for providing a restricted viewing mode, for example a private viewing mode where the display may be viewed from a limited region of space by a single viewer and not by other people outside the viewing region. The display comprises a source of ... | 07/15/2008 |
| 7391568 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid crystal display element; a polarizer arranged between the liquid crysta... | 06/24/2008 |
| 7385669 | Twisted nematic micropolarizer and its method of manufacturing The invention is a method for creating a micropolarizer, including providing a first plate having a first and a second surface, providing a second plate having a first and a second surface. Then coating a polyimide on each of the first surface of the two plates foll... | 06/10/2008 |
| 7357510 | Projection-type 3-D image display device using single projector A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored light tunnel, and a screen unit. The screen unit includes an image separ... | 04/15/2008 |
| 7358013 | Method for manufacturing cholesteric liquid crystal reflective coding plate A method for manufacturing a reflective coding plate is provided. The method includes steps of providing a first substrate, forming a mixture layer on the first substrate, providing a second substrate on the mixture layer and thereby a sandwich structure is formed, ... | 04/15/2008 |
| 7355658 | Image display unit and game machine An image display in which, even when an observer moves vertically in a position viewing an image, a bright image is obtained. There are provided a liquid-crystal display panel (804) capable of transmitting light projected from backward, a light source (801... | 04/08/2008 |
| 7342619 | Polarization light splitting film, backlight system and liquid crystal display A polarization light splitting film having a light receiving side and a light transmitting side. The polarization light splitting film includes an optical rotation selection layer at the light receiving side for reflecting one of right and left circularly polarized ... | 03/11/2008 |
| 7338690 | Liquid crystal composition and liquid crystal device Novel liquid crystal compositions are disclosed. One of them comprises at least a dichroic dye having a substituent containing three or more cyclic moieties, and a dual-frequency switchable nematic liquid crystal as a host liquid crystal; and another one comprises a... | 03/04/2008 |
| 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 |
| 7303695 | Process for producing optically active liquid crystalline polymer compound A process is provided for producing efficiently an optically active liquid crystalline polymer compound excellent in mechanical strength or optical characteristics at low cost, in which in that a liquid crystal polymer compound having in its main chain or side chain... | 12/04/2007 |
| 7289189 | Birefringent filter-based color generation scheme for a passive matrix display device The present invention provides a full color liquid crystal display of passive matrix design that includes a polarizer, an analyzer having a transmission axis, and at least one light generation stage positioned between the polarizer and analyzer for transmitting ligh... | 10/30/2007 |
| 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 |
| 7286192 | Transflective liquid crystal display A transflective liquid crystal display having a plurality of pixels, each pixel having a plurality of color sub-pixels, each sub-pixel having a transmission area associated with a first charge storage capacitance and a reflection area associated with a second storag... | 10/23/2007 |
| 7277141 | Optical bodies containing cholesteric liquid crystal material and methods of manufacture An optical body includes a substrate and a cholesteric liquid crystal layer disposed on the substrate. The cholesteric liquid crystal layer has a non-uniform pitch along a thickness direction of the layer and comprises a crosslinked polymer material that substantial... | 10/02/2007 |
| 7274427 | Method of producing optical element by patterning liquid crystal films A radiation-curing liquid crystal having cholesteric regularity is applied to a glass substrate 11 provided with an alignment layer 12 to form a first cholesteric liquid crystal film 13 in the uncured state (FIG. 2(a)). Radiation | 09/25/2007 |
| 7274418 | Method and system for improving the contrast of LCDs using circular polarization A display device displays images with reduced glare from external incident light. The device includes a back light located on a bottom surface of the display device to provide internal light. Moreover, the device includes an internal circular X-polarizer located ext... | 09/25/2007 |
| 7270855 | Optical film, method for manufacturing the same, and phase difference film and polarizing plate using the same A method for preparing an optical film, which comprises applying and developing an application liquid mixture containing a liquid crystal monomer, a chiral agent and a polymerization initiator on an orientation substrate, subjecting the resultant developed layer to ... | 09/18/2007 |
| 7256844 | Liquid crystal display device A semi-transmission type liquid crystal display device includes a liquid crystal display panel LPN in which a liquid crystal layer LQ is held between an array substrate AR and a counter-substrate CT that are disposed to face each other, a first polarization control ... | 08/14/2007 |
| 7253871 | Efficient room-temperature source of polarized single photons An efficient technique for producing deterministically polarized single photons uses liquid-crystal hosts of either monomeric or oligomeric/polymeric form to preferentially align the single emitters for maximum excitation efficiency. Deterministic molecular alignmen... | 08/07/2007 |
| 7247356 | Privacy screen for a display A privacy screen for a display (e.g., a LCD) includes having a polarizing film and a birefringent film is described. The privacy screen transmits substantial amounts of light emanating from the display in an orthogonal (or near-orthogonal) direction while not transm... | 07/24/2007 |
| 7248331 | Polarizer, optical film, and image display The polarizer of the present invention is a polarizer comprising a film having a structure having a minute domain dispersed in a matrix formed of a translucent thermoplastic resin including an absorption dichroic dye, wherein a transmittance to a linearly polarized ... | 07/24/2007 |
| 7242524 | Optical system for forming a real image in space An optical system (100, 200, 400, 500) that projects a real image (140, 412, 504) into space and includes one or more features located along the optical path that enhance the viewability of the real image. The optical system includes a converging eleme... | 07/10/2007 |
| 7239362 | Liquid crystal display device and electronic apparatus having two elliptically polarizing plates The invention provides a semi-transparent reflective liquid crystal display device in which bright display, high contrast, and less viewing-angle dependency are possible in a transmission mode. In the liquid crystal display device according to the present invention,... | 07/03/2007 |
| 7226172 | Illumination attenuation system Provided are several apparatus and methods to attenuate illumination light in a projector. Illumination light may be attenuated by directing polarized light toward a liquid crystal (LC) attenuation panel. The panel selectively modulates some, all, or none of the pol... | 06/05/2007 |
| 7224426 | Optical element An optical element including: an alignment substrate; a liquid crystal layer formed on the alignment substrate, made by forming and curing a film of a liquid crystalline material; and a protective layer having high hardness, formed on the liquid crystal layer. The p... | 05/29/2007 |
| 7220466 | Liquid crystal composition and liquid crystal device A novel liquid crystal composition is disclosed. The liquid crystal composition comprises at least one dual-frequency switchable smectic liquid crystal, and at least one dichroic dye. And a novel liquid crystal device is also disclosed. The device comprises a pair o... | 05/22/2007 |
| 7206130 | Projection screen and projection system comprising the same A projection screen for displaying an image by reflecting imaging light projected from a projector, including a substrate and a projected-image-receiving layer formed on the substrate. The projected-image-receiving layer has the function of selectively reflecting a ... | 04/17/2007 |
| 7173760 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer between a couple of substrates; a backlight apparatus arranged at one side of the couple of substrates; a polarizer arranged between the liquid crystal displ... | 02/06/2007 |
| 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 |
