| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Phase-Modulating Light Modulator and Method for Ensuring a Minimal Amplitude Modulation in Phase-Modulating Light Modulators | US12525451 | 2008-01-29 | US20100118219A1 | 2010-05-13 | Norbert Leister |
| The invention relates to a phase-modulating light modulator and to a method for ensuring a minimal amplitude modulation in phase-modulating light modulators, wherein the phase-modulating light modulator comprises an optically active layer with at least one optically active volume region and with boundary surfaces, wherein the optically active layer is assigned at least one transparent compensation volume region which comprises at least one birefringent material with fixed refractive index ellipsoids, and has a polarizer arranged on the output side. An object is to achieve a reduced angle-dependence of the averaged amplitude modulation in the observation angle region. The object is achieved by optimizing the orientation with respect to one another of the refractive index ellipsoids of the optically active layer and of the compensation layers in a simulative manner. | ||||||
| 162 | Optimally clocked trim retarders | US11468860 | 2006-08-31 | US07714945B2 | 2010-05-11 | Kim Leong Tan; Anthony James Mache, Jr. |
| A trim retarder for a liquid crystal display based projection system including a light source, a polarizer/analyzer, a liquid crystal display panel, and a projection lens, is clocked to an optimal azimuthal angle that provides a system contrast level substantially unaffected by the orientation of the slow axis of the liquid crystal display panel. | ||||||
| 163 | ELLIPTICALLY POLARIZING PLATE AND IMAGE DISPLAY DEVICE USING THE SAME | US12300583 | 2007-04-23 | US20090296027A1 | 2009-12-03 | Ikuo Kawamoto; Seiji Umemoto; Hideyuki Yonezawa; Kazuya Hada |
| Provided are an elliptically polarizing plate that is excellent in contrast in an oblique direction and has a broadband and a wide viewing angle, and an image display device using the elliptically polarizing plate. The elliptically polarizing plate of the present invention includes in order: a polarizer; a protective layer; a first birefringent layer having a refractive index profile of nz>nx=ny; a second birefringent layer that functions as a λ/2 plate; and a third birefringent layer that functions as a λ/4 plate. A ratio Rth1/Rthp between an absolute value Rthp of a thickness direction retardation of the protective layer and an absolute value Rth1 of a thickness direction retardation of the first birefringent layer is preferably in a range of 1.1 to 4. | ||||||
| 164 | REFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE AND REFLECTIVE LIQUID CRYSTAL PROJECTOR | US12520926 | 2007-12-26 | US20090290108A1 | 2009-11-26 | Kenichi Nakagawa; Taro Hashizume; Hiroki Takahashi |
| A retardation compensation element (56) is composed of a C-plate (85) and an O-plate (86). The O-plate (86) is a biaxial birefringent medium made of an obliquely deposited organic material. A fast axis (L6) of the O-plate (86) is parallel to the orthographic projection of a deposition direction (96) onto the surface of the O-plate (86). Between a liquid crystal display device (51) and a polarization beam splitter (48), the O-plate (86) is arranged such that the fast axis (L6) and a tilt direction (L8) of liquid crystal molecules (75) are parallel to each other, and that the deposition direction (96) and the tilt direction (L8) face the opposite direction with respect to a Z2 axis. The C-plate (86) is disposed together with the O-plate (85) between the liquid crystal display device (51) and the polarization beam splitter (48). | ||||||
| 165 | Polarizing plate with an optical compensation layer, method of producing the same, and liquid crystal panel, liquid crystal display apparatus, and image display apparatus, using the polarizing plate with an optical compensation layer | US11995402 | 2006-07-05 | US07612845B2 | 2009-11-03 | Takuya Mori; Yoshitsugu Kitamura; Mariko Hirai; Naoki Takahashi |
| There is provided a polarizing plate with optical compensation layers that contributes to reduction in thickness and has excellent heat resistance and moisture resistance. A polarizing plate with optical compensation layers according to an embodiment of the present invention includes: a polarizer; a first optical compensation layer;a second optical compensation layer; and a third optical compensation layer, in this order. The first optical compensation layer has a refractive index profile of nx>ny=nz, and an in-plane retardation Re1 of 200 to 300 nm; the second optical compensation layer has a refractive index profile of nx>ny=nz, and an in-plane retardation Re2 of 80 to 170 nm; and the third optical compensation layer is formed of a material exhibiting an optical negative uniaxial property, and the material is aligned so as to be inclined. | ||||||
| 166 | VERTICALLY-ALLIGNED (VA) LIQUID CRYSTAL DISPLAY DEVICE | US12431412 | 2009-04-28 | US20090207360A1 | 2009-08-20 | 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 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. | ||||||
| 167 | Liquid crystal display device | US11528549 | 2006-09-28 | US07576819B2 | 2009-08-18 | Sung Hoon Moon |
| A liquid crystal display device capable of reducing and/or preventing occurrence(s) of retardation remaining in an ECB mode liquid crystal panel may include first and second substrates, first and second orientation films respectively arranged to oppose each other on facing sides of the first and second substrates, and a liquid crystal layer between first and second substrates. The liquid crystal display device may include a first polarizing member formed on a side of the first substrate other than the side on which the first orientation film is formed, a second polarizing member formed on a side of the second substrate other than the side on which the second orientation film is formed, a compensation film formed between the electrically controlled birefringence mode liquid crystal panel and the first polarizing member, or between the electrically controlled birefringence mode liquid crystal panel and the second polarizing member. | ||||||
| 168 | Dark-state compensators for LC panels | US12016875 | 2008-01-18 | US07545469B2 | 2009-06-09 | Michael G. Robinson; Jianmin Chen; Gary D. Sharp |
| Described are various compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states. | ||||||
| 169 | RETARDATION COMPENSATION ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL PROJECTOR | US11994798 | 2006-07-03 | US20090128718A1 | 2009-05-21 | Kenichi Nakagawa |
| A retardation compensation element (32, 32a) has a first optical anisotropic layer (42) that functions as a negative C-plate, and a second and a third optical anisotropic layers (43, 44) that function as positive O-plates. VA mode liquid crystal molecules (37) tilt at an azimuth angle of 45 degrees and a polar angle of 5 degrees when no voltage is applied thereto. The second and third optical anisotropic layers have optical axes respectively at an angle of −105 degrees and +105 degrees from the tilt direction of the liquid crystal molecule. The first optical anisotropic layer (42) compensates the retardation of light that enters a liquid crystal layer (38) at an oblique angle while the second and third optical anisotropic layers (43, 44) compensate the retardation of light that enters the liquid crystal layer at a right angle. | ||||||
| 170 | Liquid crystal display having particular optical compensatory sheet | US11363055 | 2006-02-28 | US07495730B2 | 2009-02-24 | Yoshiaki Hisakado; Ryouta Matsubara |
| A liquid crystal display comprising a pair of polarizing films, a liquid crystal cell placed between the polarizing films, and an optical compensatory sheet placed between the liquid crystal cell and at least one of the polarizing films, wherein the optical compensatory sheet comprises an optically anisotropic layer (1) and an optically anisotropic layer (2), and satisfies the following condition: 2.0≦(Δn×d)/Rth(2)≦5.0 wherein Δn is a birefringence of a liquid crystal molecule in the liquid crystal cell, d is a thickness (nm) of the liquid crystal cell, and Rth(2) is an Rth value of the optically anisotropic layer (2). | ||||||
| 171 | Liquid Crystal Device and Electronic Apparatus | US12164270 | 2008-06-30 | US20090009702A1 | 2009-01-08 | Kosuke Chidate |
| A liquid crystal device includes a pair of substrates, a liquid crystal, a first optical compensation element, and a second optical compensation element. The liquid crystal is pretilted by the alignment layers. The first optical compensation element has a positive uniaxiality and a first optical axis inclined in a direction different from the pretilted direction of the liquid crystal molecules. The second optical compensation element has a positive uniaxiality and a second optical axis aligned with the pair of substrates. | ||||||
| 172 | LIQUID CRYSTAL DEVICE AND PROJECTION DISPLAY DEVICE | US12124242 | 2008-05-21 | US20080278668A1 | 2008-11-13 | 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. | ||||||
| 173 | Twisted Nematic xLCD Contrast Compensation With Tilted-Plate Retarders | US12100024 | 2008-04-09 | US20080252800A1 | 2008-10-16 | Kim Leong Tan; Karen Denise Hendrix |
| Contrast compensation for a liquid crystal display projection system including a light source, a first polarizer, a liquid crystal display panel, and a second polarizer is provided using a tilted compensating plate. The compensating plate includes a first birefringent element having an optic axis oriented at a first angle to the plate normal, where the first angle is greater than zero degrees (e.g., an A-plate or O-plate), and a second birefringent element having an optic axis oriented at a second angle to the plate normal, where the second angle is substantially equal to zero degrees (e.g., a C-plate). The compensating plate is tilted relative to a plane of the liquid crystal display panel. The tilted compensating plate has been shown to provide improved contrast compensation for twisted nematic liquid crystal displays. | ||||||
| 174 | LC panel compensators | US12016875 | 2008-01-18 | US20080129939A1 | 2008-06-05 | Michael G. Robinson; Jianmin Chen; Gary D. Sharp |
| Described are various compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states. | ||||||
| 175 | Alignment layer and liquid crystal display having the same | US11981281 | 2007-10-30 | US20080117371A1 | 2008-05-22 | Ki-Chul Shin |
| Disclosed are an alignment layer and a liquid crystal display having the same. The alignment layer comprises a polyimide compound having an azo group and exhibiting optical alignment characteristics and a discotic liquid crystal compound exhibiting optical anisotropy. The liquid crystal display comprises first and second substrates facing each other, liquid crystal aligned between the first and second substrates, and an alignment layer formed on at least one surface of the first and second substrates. The alignment layer is adjacent to the liquid crystal and has optical alignment characteristics and optical anisotropy. | ||||||
| 176 | LC panel compensators | US10908671 | 2005-05-22 | US07345723B2 | 2008-03-18 | Michael G. Robinson; Jianmin Chen; Gary D. Sharp |
| Described are various compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states. | ||||||
| 177 | RETARDER, LIQUID CRYSTAL DISPLAY ELEMENT, AND LIQUID CRYSTAL PROJECTOR | US11563412 | 2006-11-27 | US20070146595A1 | 2007-06-28 | 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. | ||||||
| 178 | Vertically-aligned (VA) liquid crystal display device | US09689928 | 2000-10-12 | US07224421B1 | 2007-05-29 | 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 vertical alignment mode liquid crystal display device having an improved viewing angle characteristic 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 two substrates includes a structure as domain regulating means, to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied. | ||||||
| 179 | Method of producing polarizing film, polarizing film and image display device using the same | US10830322 | 2004-04-23 | US07221510B2 | 2007-05-22 | Hiroaki Mizushima; Tadayuki Kameyama; Ken Aoki; Morimasa Wada; Yoichiro Sugino; Kenji Shimizu |
| 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. | ||||||
| 180 | Liquid crystal display device | US11528549 | 2006-09-28 | US20070076151A1 | 2007-04-05 | Sung Moon |
| A liquid crystal display device capable of reducing and/or preventing occurrence(s) of retardation remaining in an ECB mode liquid crystal panel may include first and second substrates, first and second orientation films respectively arranged to oppose each other on facing sides of the first and second substrates, and a liquid crystal layer between first and second substrates. The liquid crystal display device may include a first polarizing member formed on a side of the first substrate other than the side on which the first orientation film is formed, a second polarizing member formed on a side of the second substrate other than the side on which the second orientation film is formed, a compensation film formed between the electrically controlled birefringence mode liquid crystal panel and the first polarizing member, or between the electrically controlled birefringence mode liquid crystal panel and the second polarizing member. | ||||||
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