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| Number | Title | Issue Date |
| 8040468 | Liquid crystal display device The invention relates to a liquid crystal display device comprising a retardation layer wherein an in-plane slow axis of the retardation layer is within the direction of 90±40 degrees relative to an absorption axis of the polarizing layer disposed at a closer posit... | 10/18/2011 |
| 7477343 | Negative retardation film The invention relates to a negative birefringent retardation film comprising polymerised liquid crystal (LC) material with helically twisted structure and planar orientation, its use in compensators and electrooptical displays like liquid crystal displays, and to co... | 01/13/2009 |
| 7379133 | Reflective LCD, semitransmitting reflective LCD and electronic device A reflective liquid crystal device includes a reflecting electrode (14) provided on the liquid crystal side of a first substrate (10), and a first retardation plate (106), a second retardation plate (116) and a polarizer (105), whi... | 05/27/2008 |
| 7379131 | Liquid crystal display device A novel liquid crystal display device is disclosed. The device comprises two polarizer films, a liquid crystal cell disposed between these two polarizer films wherein liquid-crystalline molecules are oriented substantially normal to the substrates under non-operativ... | 05/27/2008 |
| 7371439 | Antireflection film, polarizing plate and image display device The present invention can provide an antireflection film improved in the scratch resistance while having a sufficiently high antireflection property, and a polarizing plate and a display device using the antireflection film, the antireflection film antireflection fi... | 05/13/2008 |
| 7365721 | Projection display The present invention provides an inexpensive projection display that allows a pixel grid as ineffective portions of respective pixels of a light valve to be made inconspicuous. The projection display includes a birefringent element (43) for spatially separat... | 04/29/2008 |
| 7339643 | Arrangements in a transflective liquid crystal display This invention relates to a transflective liquid crystal display device (11, 21), comprising a plurality of pixels, each comprising a liquid crystal layer (12, 22), being sandwiched between front and back electrode means (13, 23; 14, 24) as well... | 03/04/2008 |
| 7319500 | Viewing angle compensation film and liquid crystal display There is provided a liquid crystal display which exhibits preferable viewing angle characteristics even in a diagonal viewing angle. Optical retardation films of a first type that satisfy nx>ny, nz and optical retardation films of a ... | 01/15/2008 |
| 7317498 | Viewing angle magnification liquid crystal display unit A viewing angle magnification liquid crystal display of this invention comprising: at least a backlight system containing a polarization element (A) obtained by disposing a retardation layer (b) between at least two layers, included in a reflection polarizer (a), an... | 01/08/2008 |
| 7310125 | Reflective liquid crystal display A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase o... | 12/18/2007 |
| 7307680 | Transflective liquid crystal display device with particular angle relationships between the half wave plate and polarizers A transflective LCD device improves a light transmittance in both the transmissive mode and the reflective mode and improves efficiency in the use of the light regardless of wavelength. To properly control the ON/OFF-switch of the blue wavelength band or the red wav... | 12/11/2007 |
| 7292299 | Liquid crystal display apparatus In an in-plane switching (ISP) mode controlling transmission and shielding of light by application of lateral electric field to liquid crystal molecules aligned in the direction in parallel to a substrate, increase in luminance or color shift at a black-representati... | 11/06/2007 |
| 7289173 | Polarizing device, and method for manufacturing the same A polarizing element 20 has a first undulating structure in which a plurality of linear first recesses 22 are formed parallel to one another in one surface of a transparent substrate 21, and a dielectric layer 30 made from silicon dioxide... | 10/30/2007 |
| 7289179 | Liquid crystal display A TFT array panel on which both pixel electrodes and common electrodes are formed and a color filter panel is disposed opposing the array panel, and liquid crystals are interposed therebetween. The liquid crystals are aligned parallel to the two panels and driven by... | 10/30/2007 |
| 7274411 | Liquid crystal display device A liquid crystal display element which has the high speed response and the high contrast and a display device employing the same are provided. In a display device employing a reflection type liquid crystal light valve, a retardation of a retardation plate which is p... | 09/25/2007 |
| 7271865 | General film compensated reflective twisted nematic liquid crystal display A general film compensated reflective twisted nematic liquid crystal display, device, system and method with phase compensation film set to compensate the residual phase retardation of the liquid crystal in the voltage-on state to increase the contrast ratio at a lo... | 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 |
| 7190416 | Liquid crystal display with touch panel having internal front polarizer A liquid crystal display with a touch panel is described. The liquid crystal display includes a front panel including an internal front polarizer, a liquid crystal layer, and a rear panel including a rear polarizer. A touch transparent panel is secured to the front ... | 03/13/2007 |
| 7151581 | Liquid crystal display with light transmission regions and light reflection regions A liquid crystal display device includes a first substrate; a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a first polarizer provided on a surface of the first substrate which is on the opposite side to th... | 12/19/2006 |
| 7075604 | Optical film and display system An optical film in which a retardation film is laminated on one side of a polarizing plate, in which a transparent protective film is laminated on both sides of a polarizer, so that an absorbing axis of the polarizing plate and a slow axis of the retardation film ma... | 07/11/2006 |
| 7075609 | Liquid crystal display device comprising p-type liquid crystal layer operating in vertically aligned mode including first and second retardation films A liquid crystal display device includes a first substrate and a second substrate sandwiching a liquid crystal layer therebetween, a first polarizer disposed adjacent to the first substrate at a side opposite to a side of the first polarizer facing the liquid crysta... | 07/11/2006 |
| 7042540 | Optical film and display system An optical film in which a polarizing plate and a retardation film are laminated so that an absorbing axis of the polarizing plate and a slow axis of the retardation film may be perpendicular or may be parallel to each other, wherein a value Nz represented by Nz=(nx... | 05/09/2006 |
| 7030951 | Apparatus and method for displaying image Provided is a projection type liquid crystal display apparatus, which can improve black-level display and thus can display a higher-contrast image as compared to the related art. An optical compensator is located on the light exit side with respect to the liquid cry... | 04/18/2006 |
| 7019724 | Liquid crystal optical switch The present invention, which relates to a polarization control liquid crystal optical switch for optical communication and its drive method, may be applied to the wavelength division multiplexing (WDM) communication method and an optical network using optical fibers... | 03/28/2006 |
| 6995816 | Optical devices comprising high performance polarizer package Disclosed is a polarizer package comprising an integrated combination of an absorbing layer and a compensator. Two of the identical polarizer packages can be crossed and used in a transmissive optical device. This polarizer package can also be used in combination wi... | 02/07/2006 |
| 6989877 | Liquid crystal display device and electronic apparatus A liquid crystal display device and an electronic apparatus have superior visibility. A transflective reflective liquid crystal device comprises liquid crystals, an upper substrate, an lower substrate, an upper polarizing layer, a reflective polarizing layer, a lowe... | 01/24/2006 |
| 6980267 | Reflective-type liquid crystal display device having two uniaxial compensation films of same type and method for making the same A reflective type liquid crystal display device Includes first and second substrates, a liquid crystal layer between the first and second substrates, and at least one uniaxial optical compensation film on the second substrate. ... | 12/27/2005 |
| 6970215 | Reflective LCD, semitransmitting reflective LCD and electronic device A reflective liquid crystal device includes a reflecting electrode (14) provided on the liquid crystal side of a first substrate (10), and a first retardation plate (106), a second retardation plate (116) and a polarizer (105), whi... | 11/29/2005 |
| 6970214 | Elliptical polarizer and liquid crystal display device When an optical element is produced using a liquid crystal film having no supporting substrate film for the purpose of decreasing the weight, the liquid crystal film layer may often pose problems of fine wrinkly deformation of and cracking in a caused by strain occu... | 11/29/2005 |
| 6961104 | Transflective liquid crystal display device and fabricating method thereof A transflective liquid crystal display device includes: first and second substrates facing and spaced apart from each other, the first and second substrates having reflective and transmissive portions; a first retardation film on an outer surface of the first substr... | 11/01/2005 |
| 6950159 | Transflective LCD device having less distance between transmission region and first bus line than transmission region and second bus line A liquid crystal display device includes a first substrate; a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a first polarizer provided on a surface of the first substrate which is on the opposite side to th... | 09/27/2005 |
| 6943784 | Control circuit of panel brightness A control circuit of panel brightness is disclosed. After a user adjusts a brightness volume control, the brightness volume control will output an adjusting signal. The control circuit of this invention includes a pre-stage circuit, a first brightness control circui... | 09/13/2005 |
| 6934066 | Method and apparatus for use and construction of compensated higher order waveplates A compensated higher order waveplate is constructed of substrates. In one embodiment, a first substrate is a nλ waveplate and the second substrate is a (n+Δ)λ waveplate. The substrates are oriented so that their principle axes of retardation are orthogonal. nλ i... | 08/23/2005 |
| 6905640 | Method of aligning liquid crystal compounds A method of aligning a liquid crystal compound comprising a stretching treatment or rubbing treatment which allows the liquid crystal compound to be aligned in a direction different from the stretching direction or the rubbing direction is provided. A method ... | 06/14/2005 |
| 6839103 | Elliptically polarizing plate and liquid crystal display An elliptically polarizing plate, comprising a polarizer, a first optical anisotropic layer having positive refractive index anisotropy and an optical axis of the anisotropy that is tilted, and a second optical anisotropic layer having negative refractive index anis... | 01/04/2005 |
| 6822711 | Liquid crystal display apparatus using polarizing element transmitting one of two polarizing components crossing at right angles and reflecting the other component A liquid crystal display apparatus includes a liquid crystal element including a front substrate positioned on the side of an observer and having a first electrode mounted to one surface, a rear substrate having a second electrode arranged to face said first electro... | 11/23/2004 |
| 6822709 | Transflective display device A transflective display device has an upper substrate, a lower substrate and a liquid crystal layer interposed therebetween. A reflective electrode layer is formed overlying the inner surface of the lower substrate to serve as a reflective area of a pixel electrode.... | 11/23/2004 |
| 6816217 | Transflective liquid-crystal display device A liquid crystal layer is composed of a liquid crystal composition having a positive dielectric anisotropy, and the liquid crystal composition is sandwiched by a pair of transparent substrates while being twisted by 220 to 260 degrees. Also, in a liquid crystal disp... | 11/09/2004 |
| 6816216 | Optical component and reflective plate, and device using the same optical component In a reflective type liquid crystal display unit which is provided with a reflective plate, there is provided a reflective liquid crystal display unit free from color mixture by preventing color mixing of reflected light is presented. The unit includes a substrate, ... | 11/09/2004 |
| 6765635 | Apparatus and method for achromatic liquid crystal electro-optic modulation An achromatic half wave plate includes a first twisted nematic liquid crystal layer, a second twisted nematic liquid crystal layer, and a uniaxial half wave plate between the first twisted nematic liquid crystal layer and the second twisted nematic liquid crystal la... | 07/20/2004 |
