| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Compensators For Liquid Crystal Displays and the Use and Manufacture of the Compensators | US11423739 | 2006-06-13 | US20060221286A1 | 2006-10-05 | Richard Allen; Thomas Bachels; Jurg Funfschilling; Martin Schadt; Hubert Seiberle |
| Compensation of a liquid crystal display can be achieved using a compensation structure, having, in the following order: a) a first o-plate; b) a first retarder; c) a liquid crystal cell; d) a second retarder; and e) a second o-plate. The first and second retarders can be c-plates or biaxial retarders. | ||||||
| 82 | Liquid crystal display of ocb mode and driving method of the same | US10529270 | 2002-11-05 | US20060109402A1 | 2006-05-25 | Chang-Hun Lee; Hak-Sun Chang |
| A liquid crystal display includes a TFT array panel, a color filter panel, a liquid crystal layer aligned in OCB mode, two compensation films disposed on outer surfaces of the TFT panel and the color filter panel, respectively, and two polarization films disposed on outer surfaces of the two compensation films, respectively. The slow axes of TAC films, which are supports of the two compensation films, make an angle of 0-15 degrees with the polarization axes of the two polarization films. | ||||||
| 83 | Liquid crystal device and projection display device | US11211019 | 2005-08-24 | US20060050215A1 | 2006-03-09 | 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. | ||||||
| 84 | Compensators for liquid crystal displays and the use and manufacture of the compensators | US10123646 | 2002-04-16 | US06919946B2 | 2005-07-19 | Richard C. Allen; Thomas Bachels; Jürg Fünfschilling; Martin Schadt; Hubert Seiberle |
| Compensation of a liquid crystal display can be achieved using a compensation structure, having, in the following order: a) a first o-plate; b) a first retarder; c) a liquid crystal cell; d) a second retarder; and e) a second o-plate. The first and second retarders can be c-plates or biaxial retarders. | ||||||
| 85 | Optical compensator and liquid crystal display I | US10088359 | 2000-09-13 | US06912030B1 | 2005-06-28 | 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 (3, 3′), and at least one twisted A plate retarder (6, 6′) with a twist angle φ of more than 90°, and further relates to a liquid crystal display comprising such a compensator, a liquid crystal cell (1) and polarizers (2, 2′). | ||||||
| 86 | Reflective liquid crystal display device and reflective liquid crystal display device incorporating touch panel arranged therefrom | US10967250 | 2004-10-19 | US20050110926A1 | 2005-05-26 | Masayuki Okamoto; Seiichi Mitsui; Takashi Satoh |
| A reflective color liquid crystal display device with a liquid crystal layer sandwiched between a first substrate having a light reflectibility and a second substrate having a light transmissibility. The liquid crystal layer being composed of twist-aligned nematic liquid crystal having a positive dielectric anisotropy. A circularly polarizing unit, including a single linear polarizer plate, selectively passes either right handed or left handed circularly polarized light out of natural light. The circularly polarizing unit is disposed so that a major surface of the circularly polarizing unit is on a liquid crystal layer side, the circularly polarized light exiting the circularly polarizing unit through the major surface when natural light enters the circularly polarizing unit. Various parameters of the liquid crystal layer are optimized for a liquid crystal layer having a twist angle in the range of 0° to 100°. | ||||||
| 87 | Compensators for liquid crystal displays and the use and manufacture of the compensators | US11005933 | 2004-12-06 | US20050083464A1 | 2005-04-21 | Richard Allen; Thomas Bachels; Jurg Funfschilling; Martin Schadt; Hubert Seiberle |
| Compensation of a liquid crystal display can be achieved using a compensation structure, having, in the following order: a) a first o-plate; b) a first retarder; c) a liquid crystal cell; d) a second retarder; and e) a second o-plate. The first and second retarders can be c-plates or biaxial retarders. | ||||||
| 88 | Reflective liquid crystal display device and reflective liquid crystal display device incorporating touch panel arranged therefrom | US10967216 | 2004-10-19 | US20050078238A1 | 2005-04-14 | Masayuki Okamoto; Seiichi Mitsui; Takashi Satoh |
| A reflective color liquid crystal display device with a liquid crystal layer sandwiched between a first substrate having a light reflectibility and a second substrate having a light transmissibility. The liquid crystal layer being composed of twist-aligned nematic liquid crystal having a positive dielectric anisotropy. A circularly polarizing unit, including a single linear polarizer plate, selectively passes either right handed or left handed circularly polarized light out of natural light. The circularly polarizing unit is disposed so that a major surface of the circularly polarizing unit is on a liquid crystal layer side, the circularly polarized light exiting the circularly polarizing unit through the major surface when natural light enters the circularly polarizing unit. Various parameters of the liquid crystal layer are optimized for a liquid crystal layer having a twist angle in the range of 0° to 100°. | ||||||
| 89 | Active matrix liquid crystal display panel | US08960224 | 1997-10-29 | US06842207B2 | 2005-01-11 | Shinichi Nishida; Teruaki Suzuki; Masayoshi Suzuki; Makoto Watanabe; Eriko Fujimaki; Yoshihiko Hirai |
| An active matrix liquid crystal display panel by which a good display characteristic can be obtained without suffering from gradation reversal over a wide visibility angle range. A liquid crystal layer 4 is formed such that the thickness thereof varies in accordance with transmission wavelengths of color layers 6, 7 and 8 so that a very good display which does not exhibit any coloring in whichever direction it is viewed may be obtained.An active matrix substrate A includes a plurality of opposing electrodes 2, a plurality of pixel electrodes 3 parallel to the opposing electrodes 2, a thin film transistor, and an orientation film 23 all formed on a glass substrate 10. A color filter substrate C includes an orientation film 56 provided on one surface of another glass substrate 10 and an optical compensation layer 35 provided on the other surface of the glass substrate 10 and formed from a plastic film. The two substrates are disposed such that the orientation films thereof oppose each other, and polarization plates 34 and 5 are disposed on the outer sides of the two substrates, and a liquid crystal layer 4 having a positive refractive index anisotropy is provided between the orientation films 23. The optical compensation layer 35 has a negative one axial refractive index anisotropy and can cancel a retardation produced in the liquid crystal layer 4 thereby to suppress white floating of a black display portion. | ||||||
| 90 | Method of producing polarizing film, polarizing film and image display device using the same | US10830322 | 2004-04-23 | US20040212885A1 | 2004-10-28 | 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. | ||||||
| 91 | Liquid crystal display device | US09620731 | 2000-07-20 | US06661483B1 | 2003-12-09 | Hiroyuki Moriwaki; Mitsuhiro Tanaka |
| An object of the invention is to prevent color shifting which occurs in a liquid crystal display device in a white display state as well as in a black display state. The liquid crystal display device includes a single polarization layer, a single phase retardation layer, a reflective layer, and a liquid crystal layer, and produces a display by utilizing light reflected from the reflective layer. Based on the wavelength &lgr; of incident light, the retardation value ReF of the phase retardation layer is set approximately equal to (1/4+K/2) &lgr;, and the retardation value ReL of the liquid crystal layer is set approximately equal to (1/2+L/2)&lgr; (K=0, 1, 2, . . . : L=0, 1, 2, . . . ). The angle &Dgr;&phgr; that the absorption axis of the polarization layer makes with the retardation axis of the phase retardation layer is set as 0°<&Dgr;&phgr;<45° or 45°<&Dgr;&phgr;<90°. This prevents the color shifting in the white display state as well as in the black display state in the liquid crystal display device, and improves the contrast. | ||||||
| 92 | High pretilt alignment of reactive liquid crystals in liquid crystal displays | US09409005 | 1999-09-29 | US06538712B1 | 2003-03-25 | Bruce K. Winker; Zhiming Zhuang |
| An O-plate compensator is manufactured by dissolving a polyimide polymer material incorporating a plurality of bulky side-chain groups in a first solvent to form a first solution, applying the first solution to a substrate, evaporating the first solvent to form an alignment layer, buffing the alignment layer, dissolving a polymerizable liquid crystal material in a second solvent to form a second solution, applying the second solution to the alignment layer, evaporating the second solvent to form a thin film of polymerizable liquid crystal material (with a nematic phase, an alignment-layer interface having a liquid crystal pretilt angle of between approximately 25 and 65 degrees, and an air interface), adjusting the temperature of the thin film to obtain a uniform specified orientation of a director of the thin film, and polymerizing the thin film with ultraviolet radiation to achieve a liquid crystal pretilt angle of between approximately 25 and 65 degrees at the air interface. | ||||||
| 93 | Polyimide-free alignment layer for LCD fabrication and method | US09855921 | 2001-05-15 | US20020187283A1 | 2002-12-12 | Dong-Feng Gu; Young Chung; Len Hale |
| An inexpensive polyimide-free alignment layer comprising a mixture of an epoxy and a reactive liquid crystal material is used for fabricating liquid crystal displays (LCDs). The alignment layer can be cast onto a previously aligned layer, without destroying the alignment of the underlying layer, thus allowing for monolithic fabrication of compensator stacks, without film transfer lamination. | ||||||
| 94 | Optical compensation sheet and process for producing the same | US09817479 | 2001-03-26 | US20020063827A1 | 2002-05-30 | Long-Hai Wu |
| A structure of an optical compensation sheet and a process for producing the optical compensation sheet. The process includes steps of (a) forming a photo-alignment layer on a substrate, (b) forming a plurality of alignment domains with different directions in the photo-alignment layer, and (c) forming a discotic liquid crystal monomer layer on the photo-alignment layer, wherein the discotic liquid crystal monomer proceeds a tilt align corresponding to the plural alignment domains, thereby producing the optical compensation sheet. | ||||||
| 95 | ACTIVE MATRIX LIQUID CRYSTAL DISPLAY PANEL | US08960224 | 1997-10-29 | US20020030780A1 | 2002-03-14 | SHINICHI NISHIDA; TERUAKI SUZUKI; MASAYOSHI SUZUKI; MAKOTO WATANABE; ERIKO FUJIMAKI; YOSHIHIKO HIRAI |
| An active matrix liquid crystal display panel by which a good display characteristic can be obtained without suffering from gradation reversal over a wide visibility angle range. A liquid crystal layer 4 is formed such that the thickness thereof varies in accordance with transmission wavelengths of color layers 6, 7 and 8 so that a very good display which does not exhibit any coloring in whichever direction it is viewed may be obtained. An active matrix substrate A includes a plurality of opposing electrodes 2, a plurality of pixel electrodes 3 parallel to the opposing electrodes 2, a thin film transistor, and an orientation film 23 all formed on a glass substrate 10. A color filter substrate C includes an orientation film 56 provided on one surface of another glass substrate 10 and an optical compensation layer 35 provided on the other surface of the glass substrate 10 and formed from a plastic film. The two substrates are disposed such that the orientation films thereof oppose each other, and polarization plates 34 and 5 are disposed on the outer sides of the two substrates, and a liquid crystal layer 4 having a positive refractive index anisotropy is provided between the orientation films 23. The optical compensation layer 35 has a negative one axial refractive index anisotropy and can cancel a retardation produced in the liquid crystal layer 4 thereby to suppress white floating of a black display portion. | ||||||
| 96 | Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays | US09388131 | 1999-09-01 | US06320634B1 | 2001-11-20 | Bruce K. Winker; Hong-Son Ryang; Leslie F. Warren, Jr.; Charles Rosenblatt; Zili Li; Young J. Chung |
| An O-plate compensator comprising an organic liquid crystal polymer, and methods for fabricating the same, are disclosed. The compensator is a uniaxial birefringent thin film with its extraordinary axis oriented obliquely with respect to the surface of the film. (It is noted that the birefringent thin film could be weakly biaxial.) The oblique orientation of the liquid crystal director, which is parallel to the films extraordinary axis, is achieved by casting an organic thin film onto a surface specially prepared for a orienting liquid crystals, such as obliquely deposited SiO, mechanically rubbed alignment agents. The film can either be cast from a solution of the liquid crystal polymer or from a reactive liquid crystal monomer having a nematic phase. Any solvent that may be used during the fabrication process is evaporated off and the organic thin film is held at a temperature in its nematic phase. If a reactive monomer is used, the film is then photopolymerized. Alternative embodiments of an organic O-plate include the use of smectic-A and smectic-C materials. Fabrication techniques employing these materials are described. | ||||||
| 97 | Liquid crystal display device having phase different plates | US09047115 | 1998-03-24 | US06226061B1 | 2001-05-01 | Yasunobu Tagusa |
| A liquid crystal display (LCD) device is composed of (1) an LCD element having (i) a glass substrate on which a flat portion including pixel electrodes and a flat portion including switching elements, wires, and the like are laminated with interlayer insulating films therebetween, each interlayer insulating film being an organic film with an optical transmittance of not less than 95 percent with respect to light with a peak wavelength and (ii) a liquid crystal layer made of liquid crystal whose refractive index anisotropy &Dgr;n(450) with respect to light with a wavelength of 450 nm and whose refractive index anisotropy &Dgr;n(650) with respect to light with a wavelength of 650 nm satisfy a condition that a difference &Dgr;n(450)−&Dgr;n(650) between them is set so as to be in a range of 0 to 0.01, and (2) a phase difference plate whose refractive index anisotropy is negative (na=nc>nb) and whose index ellipsoids are inclined substantially throughout the phase difference plate. By thus arranging the LCD device, phase differences depending on viewing angles which tend to occur to the LCD element are eliminated whereby the viewing angle dependence of the LCD device is suppressed, while the structure of the pixel substrate is improved, and as a result, reversal influences to a display screen are avoided. | ||||||
| 98 | Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays | US947531 | 1997-07-30 | US5986734A | 1999-11-16 | Bruce K. Winker; Hong-Son Ryang; Leslie F. Warren, Jr.; Charles Rosenblatt; Zili Li; Young J. Chung |
| An O-plate compensator comprising an organic liquid crystal polymer, and methods for fabricating the same, are disclosed. The compensator is a uniaxial birefringent thin film with its extraordinary axis oriented obliquely with respect to the surface of the film. (It is noted that the birefringent thin film could be weakly biaxial.) The oblique orientation of the liquid crystal director, which is parallel to the film's extraordinary axis, is achieved by casting an organic thin film onto a surface specially prepared for orienting liquid crystals, such as obliquely deposited SiO, mechanically rubbed alignment agents. The film can either be cast from a solution of the liquid crystal polymer or from a reactive liquid crystal monomer having a nematic phase. Any solvent that may be used during the fabrication process is evaporated off and the organic thin film is held at a temperature in its nematic phase. If a reactive monomer is used, the film is then photopolymerized. Alternative embodiments of an organic O-plate include the use of smectic-A and smectic-C materials. Fabrication techniques employing these materials arc described. | ||||||
| 99 | Process for the preparation of continuous optical compensatory sheet | US697888 | 1996-09-03 | US5853801A | 1998-12-29 | Yasushi Suga; Kenji Nakajima; Kiyoshi Kobayashi; Takashi Nawano; Hidetomo Itoh |
| A process for preparing a continuous optical compensatory sheet has the continuous steps of: coating a liquid of a resin for forming an orientation layer in a solvent on a surface of a moving continuous transparent film; drying the coated layer to form a transparent resin layer; subjecting the transparent resin layer to rubbing treatment to give an orientation layer; coating a coating liquid of a discotic compound in a solvent on the orientation layer to form a coated layer; drying the coated layer; heating the coated layer to form a discotic nematic phase, whereby a layer of discotic compound is formed; and winding up the transparent film. | ||||||
| 100 | Optical compensatory sheet, process for the preparation of the same and liquid crystal display | US693631 | 1996-08-09 | US5718838A | 1998-02-17 | Masaki Okazaki |
| An optical compensatory sheet is basically composed of a transparent support and an optically anisotropic layer provided thereon. The optically anisotropic layer is a layer of polymer having discotic units formed by copolymerization of a compound having at least two functional groups such as isocyanato, isothiocyanato or oxiranyl and a compound having at least two nucleophilic groups, at least one of the compounds being a discotic compound; or polymerization of a discotic compound having at least one functional group and at least one nucleophilic group. A process for the preparation of the optical compensatory sheet, a liquid crystal display and a color liquid crystal display having the optical compensatory sheet are also disclosed. | ||||||
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