| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | OPTICAL FILM, POLARIZING PLATE, LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING OPTICAL FILM | US14140910 | 2013-12-26 | US20140184988A1 | 2014-07-03 | Hiroshi SATO; Yukito SAITOH; Mitsuyoshi ICHIHASHI |
| Provided is an optical film which is resistant to repelling, bright dots, irregularity, and the use of such an optical film in a liquid crystal display leads to high front contrast, reduced grayscale inversion, and a reduced difference between a front image and an oblique image in grayscale reproducibility and color. The optical film including a first optically anisotropic layer; and a second optically anisotropic layer on the first optically anisotropic layer, wherein the first optically anisotropic layer is a layer of liquid crystal compounds aligned and fixed by polymerization, and the surface tilt angle of molecules of the liquid crystal compound is in a range of 5° to 80° at a site in contact with the second optically anisotropic layer. | ||||||
| 62 | LIQUID CRYSTAL DISPLAY DEVICE | US13358028 | 2012-01-25 | US20120120338A1 | 2012-05-17 | Arihiro Takeda; Katsufumi Ohmuro; Yoshio Koike; Shingo Kataoka; Takahiro Sasaki; Takashi Sasabayashi; Hideaki Tsuda; Hideo Chida; Makoto Ohashi; Kenji Okamoto; Hisashi Yamaguchi; Minoru Otani; Makoto Morishige; Noriaki Furukawa; Tsuyoshi Kamada; Yoshinori Tanaka; Atuyuki Hoshino; Shougo Hayashi; Hideaki Takizawa; Takeshi Kinjou; Makoto Tachibanaki; Keiji Imoto; Tadashi Hasegawa; Hidefumi Yoshida; Hiroyasu Inoue; Yoji Taniguchi; Tetsuya Fujikawa; Satoshi Murata; Manabu Sawasaki; Tomonori Tanose; Siro Hirota; Masahiro Ikeda; Kunihiro Tashiro; Kouji Tsukao; Yasutoshi Tasaka; Takatoshi Mayama; Seiji Tanuma; Yohei Nakanishi |
| A liquid crystal display device comprising a liquid crystal layer including liquid crystal molecules provided between a first substrate and a second substrate; pixels forming a display area; electrodes for applying a voltage across the liquid crystal layer within each of the pixels; a plurality of domain regulating structures for dividing orientations of the liquid crystal molecules and forming multiple domains within each of the pixels, when a predetermined voltage is applied across the liquid crystal layer within each of the pixels; and a structure which is formed in an outer area located next to the display area and is substantially the same as at least one of the plurality of domain regulating structures. | ||||||
| 63 | LIQUID CRYSTAL DISPLAY DEVICE HAVING RETARDATION FILM FORMED OF LIQUID CRYSTALLINE POLYIMIDE HAVING PHOTOREACTIVE GROUP | US13384339 | 2010-06-30 | US20120113338A1 | 2012-05-10 | Kazuhiko Saigusa; Norio Tamura |
| In a liquid crystal display device having a plurality of retardation films for alleviating a deterioration in display quality depending on a viewing angle direction, and a driving liquid crystal layer selected from the group consisting of a driving liquid crystal layer typified by a VA mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned perpendicular to a substrate when no electric field is applied, a driving liquid crystal layer typified by an IPS mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned parallel to the substrate when no electric field is applied, and a driving liquid crystal layer that shows optical isotropy when no voltage is applied, a retardation film of a positive A-plate formed of a liquid crystalline polyimide having a photoreactive group is used as at least one layer of the plurality of retardation films. | ||||||
| 64 | Liquid crystal display device with multiple alignment structures | US12121390 | 2008-05-15 | US07760305B2 | 2010-07-20 | Arihiro Takeda; Katsufumi Ohmuro; Yoshio Koike; Shingo Kataoka; Takahiro Sasaki; Takashi Sasabayashi; Hideaki Tsuda; Hideo Chida; Makoto Ohashi; Kenji Okamoto; Hisashi Yamaguchi; Minoru Otani; Makoto Morishige; Noriaki Furukawa; Tsuyoshi Kamada; Yoshinori Tanaka; Atuyuki Hoshino; Shougo Hayashi; Hideaki Takizawa; Takeshi Kinjou; Makoto Tachibanaki; Keiji Imoto; Tadashi Hasegawa; Hidefumi Yoshida; Hiroyasu Inoue; Yoji Taniguchi; Tetsuya Fujikawa; Satoshi Murata; Manabu Sawasaki; Tomonori Tanose; Siro Hirota; Masahiro Ikeda; Kunihiro Tashiro; Kouji Tsukao; Yasutoshi Tasaka; Takatoshi Mayama; Seiji Tanuma; Yohei Nakanishi |
| A liquid crystal display device that includes a plurality of pixels, a first substrate and a second substrate, as well as a liquid crystal layer provided between the first and second substrates. A first alignment structure and a second alignment structure are formed on the first substrate, and a third alignment structure and a fourth alignment structure are formed on the second substrate, for controlling an alignment of the liquid crystal. At least one auxiliary alignment structure is also formed on the first substrate for controlling an alignment of liquid crystals. The first and second alignment structures extend linearly in different directions from each other in a pixel, and the third and fourth alignment structures extend parallel to the first and second alignment structures, respectively. Also, the auxiliary alignment structure extends substantially along an edge of the pixel. | ||||||
| 65 | Liquid crystal display device | US11404834 | 2006-04-17 | US07692737B2 | 2010-04-06 | Chi Hyuck Park; Tae Bong Jung |
| A liquid crystal display device includes a liquid crystal display panel, a compensation film for compensating a viewing angle decline caused by improper alignment of liquid crystal molecules in the liquid crystal display panel, and an isotropic layer between the compensation film and the liquid crystal display panel. | ||||||
| 66 | IMAGE DISPLAY APPARATUS AND OPTICAL COMPENSATION DEVICE | US12395990 | 2009-03-02 | US20090244455A1 | 2009-10-01 | Ryoko Horikoshi |
| An image display apparatus includes a liquid crystal panel having a liquid crystal layer disposed between a pair of substrates, and an optical compensation plate pair including a first optical compensation plate and a second optical compensation plate, the first optical compensation plate being formed of a negative uniaxial crystal and the second optical compensation plate being formed of a positive uniaxial crystal. The optical compensation plate pair is configured such that an optical phase difference caused by a difference in thickness between the first optical compensation plate and the second optical compensation plate cancels an optical phase difference generated by the liquid crystal panel. | ||||||
| 67 | PHASE DIFFERENCE COMPENSATING ELEMENT, LIQUID CRYSTAL DEVICE, AND PROJECTION TYPE DISPLAY APPARATUS | US11995358 | 2006-07-07 | US20090225241A1 | 2009-09-10 | Takamichi Fujii |
| A phase difference compensation element comprises at least one birefringent laminate, which contains a light transmissive base material and “a” number, where a≧2, of inorganic oblique incidence vacuum deposited films varying in direction of oblique evaporation and having been laminated on a surface of the light transmissive base material. The birefringent laminate satisfies the conditions represented by Formula (i) and Formula (ii): Re(1) | ||||||
| 68 | Liquid crystal device and projection display device | US11211019 | 2005-08-24 | US07570328B2 | 2009-08-04 | Akihide Haruyama |
| A liquid crystal device includes a pair of substrates; a liquid crystal layer interposed between the pair of substrates, the liquid crystal layer being composed of liquid crystal having negative dielectric anisotropy in which an initial alignment state thereof is vertical; and an optical compensating plate which is provided outside at least one substrate of the pair of substrates and has negative refractive index anisotropy. The liquid crystal is pretilted in a predetermined direction, and an optical axis direction of the optical compensating plate is substantially parallel to the pretilt direction of the liquid crystal. | ||||||
| 69 | Liquid crystal projector, liquid crystal device and substrate for liquid crystal device | US10512683 | 2003-07-16 | US07554635B2 | 2009-06-30 | Kenichi Nakagawa |
| Red incident light is reflected on a mirror (19) and linearly polarized by a polarizer (26R). Linearly polarized incident light enters a transmissive liquid crystal device (11R), in which oblique incident light is changed into elliptically polarized light. A retardation compensator (27R) between the liquid crystal device (11R) and an analyzer (28R) has an inorganic form birefringence layer. The retardation compensator (27R) yields birefringence effect to change elliptical polarized light into linearly polarized light. Linearly polarized light from the retardation compensator (27R) can pass the analyzer (28R) without decreasing intensity, and enters a color recombining prism (24). The liquid crystal device (11R) may have the inorganic form birefringence layer. Retardation in green and blue light is also compensated in the same manner. Red, green and blue image light, mixed in the color recombining prism (24), is projected onto a screen 3 by a projection lens system (25). | ||||||
| 70 | Optical Film and Method for Manufacturing the Same | US12226411 | 2007-03-14 | US20090104378A1 | 2009-04-23 | Motohiro Yamahara; Hikaru Hasegawa; Takashi Kato; Masaya Moriyama |
| This invention provides an optical film, which can freely regulate the tilt angle and can easily be manufactured without simultaneously regulating polymerization and mixing, and a method for manufacturing the same. The optical film is a film having birefringence. The film has been produced by association through an intermolecular hydrogen bond between at least two compounds having a refractive index anisotropy-providing structure and a proton-receptive group and at least one compound having a refractive index anisotropy-providing structure and a proton-providing group. The method for manufacturing the optical film comprises mixing at least two compounds having a refractive index anisotropy-providing structure and a proton-receptive group with at least one compound having a refractive index anisotropy-providing structure and a proton-providing group and forming a film from the mixture on an aligning film. | ||||||
| 71 | Liquid crystal display device with different alignments | US10935382 | 2004-09-07 | US07499131B2 | 2009-03-03 | Takashi Sasabayashi |
| A liquid crystal display device of the present invention has a first structure (protrusion) which is provided on a first substrate and which causes liquid crystal molecules in the vicinity of the first structure to align with a first direction when a voltage is applied, and a second structure (protrusion) which is provided at a position on the second substrate where the second structure is opposed to the first structure and which causes liquid crystal molecules in the vicinity of the second structure to align with a second direction when the voltage is applied. Here, the second direction is different from the first direction. The shapes or sizes of the first and second structures are different from each other. | ||||||
| 72 | Retarder, liquid crystal display element, and liquid crystal projector | US11563412 | 2006-11-27 | US07477348B2 | 2009-01-13 | Shinya Watanabe |
| A retarder includes a transparent support substrate, a prism layer including a plurality of microprisms arranged on one of main surfaces of the transparent support substrate, where each of the microprisms has a sloped prism face formed at the same slope angle with respect to the one main surface in the same direction, an optical anisotropic medium layer disposed on the sloped prism face so that an optic axis of the optical anisotropic medium layer is directed in one of a direction of the maximum sloped prism face of the microprisms and a direction perpendicular to the direction of the maximum sloped prism face, and a planarizing layer disposed on the transparent support substrate so as to embed the optical anisotropic medium layer therein. The planarizing layer is formed from a material having an index of refraction that is substantially the same as that of the microprisms. | ||||||
| 73 | LIGHT-TRANSMISSIVE FILM, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY APPARATUS | US12052126 | 2008-03-20 | US20080232113A1 | 2008-09-25 | Akihiro Horii; Kei Obata; Mitsunari Hoshi; Noriyuki Hirai; Hiroshi Mizuno |
| A light-transmissive film for use in display devices is provided. The light-transmissive film includes a plurality of first protrusions formed on one surface and extending in a predetermined direction of the one surface, and a plurality of second protrusions formed on an opposite surface to the one surface, extending in one direction of the opposite surface, arranged parallel to the one direction, and arranged parallel to a direction intersecting the one direction. At least one of the first and second protrusions has a refractive index anisotropy in a plane. | ||||||
| 74 | LIQUID CRYSTAL DEVICE AND PROJECTOR INCLUDING THE SAME | US11970877 | 2008-01-08 | US20080174705A1 | 2008-07-24 | Takashi ENDO; Hiroaki YANAI |
| A liquid crystal device includes a liquid crystal cell containing liquid crystal operating in twisted nematic mode, a first compensating element disposed either on the light entrance side or on the light exit side of the liquid crystal cell and made of an optical material having positive uniaxial characteristics, a second compensating element disposed either on the light entrance side or on the light exit side of the liquid crystal cell and made of an optical material having positive uniaxial characteristics, a third compensating element disposed at least either on the light entrance side or on the light exit side of the liquid crystal cell and made of an optical material which satisfies the following condition for parameters Re and Rth concerning refractive index anisotropy: −Rth | ||||||
| 75 | Process For Preparation Of Optical Compensatory Sheet | US11792706 | 2005-12-13 | US20080171143A1 | 2008-07-17 | Naoyuki Nishikawa; Masahiro Toida; Shin-ichi Morishima |
| A process for preparation of an optical compensatory sheet is disclosed. The process comprises the steps in order of: coating a support with a photosensitive compound; exposing the photosensitive compound to beams of linearly polarized light emitted from a semiconductor laser to form an orientation layer; coating the orientation layer with a liquid crystal composition containing polymerizable liquid crystal molecules; aligning the liquid crystal molecules to form an optically anisotropic layer; and then polymerizing the liquid crystal molecules to fix alignment. | ||||||
| 76 | POLYMERIZABLE MONOMER, AN OPTICAL COMPENSATION FILM AND A METHOD FOR PRODUCING THE OPTICAL COMPENSATION FILM | US11843388 | 2007-08-22 | US20080049319A1 | 2008-02-28 | Takahiro KATO; Yi Li; Naoyuki Nishikawa |
| A polymerizable monomer represented by the following Formula (I): Formula (I) wherein R1 represents a hydrogen atom or a substituted group; Y1 represents an oxygen atom or —NR3—, wherein R3 represents a hydrogen atom or an alkyl group; Ar1 and Ar2 each independently represents an aromatic ring having from 1 to 10 carbon atoms, and each of Ar1 and Ar2 may have a substituted group; and n represents an integer of from 1 to 3. | ||||||
| 77 | Liquid Crystal Projector | US11571368 | 2005-06-13 | US20080043158A1 | 2008-02-21 | Yasuhiro Shirasaka; Hitoshi Inukai; Tomoya Yano |
| Disclosed is a transmissive liquid crystal projector carrying a vertical alignment liquid crystal device. The liquid crystal projector includes a liquid crystal panel (25), on the light incident side and on the light radiating side of which a light incident side polarizing plate (24) and a light radiating side light polarizing plate (26) are arranged, respectively. A first polarized light component in a light beam collected by an illuminating optical system is transmitted through the light incident side polarizing plate (24) and routed to the liquid crystal panel (25). An optical anisotropic device (45), tilted by a preset angle correlated with the direction of alignment of liquid crystal molecules in the liquid crystal panel (25), that is, a pre-tilt angle, is arranged between the light incident side polarizing plate (24) and the liquid crystal panel (25) or between the light radiating side light polarizing plate (26) and the liquid crystal panel (25). By so doing, a high contrast ratio may be maintained, while transmittance of the liquid crystal panel may be improved. | ||||||
| 78 | Vertically-aligned (VA) liquid crystal display device | US09663580 | 2000-09-15 | US07304703B1 | 2007-12-04 | Arihiro Takeda; Katsufumi Ohmuro; Yoshio Koike; Shingo Kataoka; Takahiro Sasaki; Takashi Sasabayashi; Hideaki Tsuda; Hideo Chida; Makoto Ohashi; Kenji Okamoto; Hisashi Yamaguchi; Minoru Otani; Makoto Morishige; Noriaki Furukawa; Tsuyoshi Kamada; Yoshinori Tanaka; Atuyuki Hoshino; Shougo Hayashi; Hideaki Takizawa; Takeshi Kinjou; Makoto Tachibanaki; Keiji Imoto; Tadashi Hasegawa; Hidefumi Yoshida; Hiroyasu Inoue; Yoji Taniguchi; Tetsuya Fujikawa; Satoshi Murata; Manabu Sawasaki; Tomonori Tanose; Siro Hirota; Masahiro Ikeda; Kunihiro Tashiro; Kouji Tsukao; Yasutoshi Tasaka; Takatoshi Mayama; Seiji Tanuma; Yohei Nakanishi |
| A vertically alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The disclosed liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage being applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate as a trigger to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied. | ||||||
| 79 | Vertically-aligned (VA) liquid crystal display device | US11600859 | 2006-11-16 | US20070064187A1 | 2007-03-22 | Arihiro Takeda; Katsufumi Ohmuro; Yoshio Koike; Shingo Kataoka; Takahiro Sasaki; Takashi Sasabayashi; Hideaki Tsuda; Hideo Chida; Makoto Ohashi; Kenji Okamoto; Hisashi Yamaguchi; Minoru Otani; Makoto Morishige; Noriaki Furukawa; Tsuyoshi Kamada; Yoshinori Tanaka; Atuyuki Hoshino; Shougo Hayashi; Hideaki Takizawa; Takeshi Kinjou; Makoto Tachibanaki; Keiji Imoto; Tadashi Hasegawa; Hidefumi Yoshida; Hiroyasu Inoue; Yoji Taniguchi; Tetsuya Fujikawa; Satoshi Murata; Manabu Sawasaki; Tomonori Tanose; Siro Hirota; Masahiro Ikeda; Kunihiro Tashiro; Kouji Tsukao; Yasutoshi Tasaka; Takatoshi Mayama; Seiji Tanuma; Yohei Nakanishi |
| A vertically alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The disclosed liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage being applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate as a trigger to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied. | ||||||
| 80 | Optical compensator and liquid crystal display l | US11059659 | 2005-02-17 | US07169448B2 | 2007-01-30 | David Coates; Owain Llyr Parri; Mark Verrall; Peter Le Masurier |
| The invention relates to an optical compensator for liquid crystal displays comprising at least one O plate retarder, and at least one twisted A plate retarder with a twist angle φ of more than 90°, and further relates to a liquid crystal display comprising such a compensator. | ||||||
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