| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | Optical element obtained by homeotropically orienting liquid crystal molecule, member for liquid crystal display device using the same, and liquid crystal display device | US12379241 | 2009-02-17 | US08066905B2 | 2011-11-29 | Atsushi Suemasu |
| An object of the present invention is to provide an optical element which can suppress a production cost, has good heat resistance, uniformly maintains the fixed orientation of a liquid crystal polymer in a wide temperature range, shows a low haze with reliability, and can maintain desired birefringence property with reliability. The present invention relates to an optical element formed by forming, on an upper surface of a base material having light transmittance, at least a birefringence layer having a structure obtained by fixing liquid crystal monomers each having a polymerizable group at a terminal thereof in a state where the monomers are homeotropically oriented, and by removing an additive layer formed on the upper surface of the birefringence layer. | ||||||
| 102 | Liquid crystal display device | US11860875 | 2007-09-25 | US08054422B2 | 2011-11-08 | Shinichi Uehara; Jin Matsushima; Ken Sumiyoshi |
| To improve a patterning accuracy of pixel electrodes and common electrodes. The liquid crystal display device includes a reflective display area and a transmissive display area within a pixel that is configured with a pair of opposing substrates and a liquid crystal layer provided between the substrates. The reflective display area achieves display by reflection of light, and the transmissive display area achieves display by transmission of light. A laminated body including a reflective plate, an insulating layer, and a metal electrode for rotating liquid crystal molecules of the liquid crystal layer within a surface thereof is provided within the reflective display area. | ||||||
| 103 | Liquid crystal display | US12368172 | 2009-02-09 | US08027003B2 | 2011-09-27 | Hee-Wook Do; Ki-Chul Shin; Sung-Min Kang |
| A liquid crystal display includes a lower panel, an upper panel facing the lower panel and including a plurality of red color filters, green color filters, and blue color filters, and a liquid crystal layer interposed between the lower and upper panels. The liquid crystal layer has first, second and third cell-gap portions corresponding to the red, green and blue filters, respectively, and the first second and third cell-gap portions have cell gaps Dr, Dg and Db, respectively. A first compensation film is disposed on an outer surface of one of the lower panel or the upper panel. A lower polarizer is on the outer surface of the lower panel and an upper polarizer is on the outer surface of the upper panel. The cell gaps Dr, Dg and Db may satisfy the equation 0 μm≦Dg−Db and Dr−Dg≦0.5 μm. | ||||||
| 104 | Retardation film, polarizing film, liquid crystal display, and method of designing retardation film | US11630686 | 2005-06-28 | US07948591B2 | 2011-05-24 | Akira Sakai |
| To provide a retardation film in which the retardation condition is adjusted to achieve a liquid crystal display without coloration over a wide viewing angle range and having a high contrast ratio, and a method of designing the same, as well as a polarizing film and a liquid crystal display using the same. A liquid crystal display comprising a liquid crystal cell and polarizing films in a Cross-Nicol relationship with each other on both sides of the liquid crystal cell; wherein at least one polarizing film includes a retardation film having reverse wavelength dispersion property; and the liquid crystal display further includes a retardation film having a wavelength dispersion property substantially the same as a liquid crystal layer configuring the liquid crystal cell. | ||||||
| 105 | POLARIZER AND LIQUID-CRYSTAL DISPLAY APPARATUS | US13011085 | 2011-01-21 | US20110116023A1 | 2011-05-19 | Daisuke Kajita; Ikuo Hiyama; Mutsumi Maehara; Yuka Utsumi |
| A liquid crystal display apparatus includes a first polarizer located on one side of a first substrate, a second polarizer located on the opposite side of a second substrate, a liquid crystal layer formed of liquid crystal molecules and between the first and the second substrates so that the liquid crystal molecules may be aligned in parallel to the first or the second substrate and to which an electric field is applied in parallel to the first substrate, and a lighting device. The first or the second polarizer includes a polarization layer and supporting materials located on both sides of the polarization layer, reducing light leakage and a colour shift in a black display state when viewed from the oblique direction. | ||||||
| 106 | Liquid crystal display device | US12270392 | 2008-11-13 | US07868979B2 | 2011-01-11 | Mitsutaka Okita; Kazuhiro Nishiyama; Shigesumi Araki |
| A liquid crystal display device includes a liquid crystal display panel to which an OCB mode is applied, and an optical compensation element which optically compensates a retardation of the liquid crystal layer in a predetermined display state in which a voltage is applied to the liquid crystal layer. The optical compensation element includes a polarizer, a first retardation plate which is disposed between the polarizer and the liquid crystal display panel and in which discotic liquid crystal molecules are fixed in a state in which the discotic liquid crystal molecules are hybrid-aligned along a normal direction, and a second retardation plate which is disposed between the polarizer and the first retardation plate and has wavelength dispersion characteristics which are opposite to wavelength dispersion characteristics of an in-plane retardation in the liquid crystal layer. | ||||||
| 107 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE PANEL | US12279865 | 2007-01-26 | US20100225854A1 | 2010-09-09 | Ikuo Kawamoto; Seiji Umemoto; Takashi Kamijou; Hideyuki Yonezawa; Kazuya Hada; Kentarou Kobayashi |
| Provided are a liquid crystal panel which contributes to reduction in thickness and is excellent in optical properties and a liquid crystal display apparatus. The liquid crystal panel of the present invention includes a liquid crystal cell, a first polarizer disposed on one side of the liquid crystal cell, a second polarizer disposed on another side of the liquid crystal cell, a first optical compensation layer and a first negative C plate disposed between the first polarizer and the liquid crystal cell, and a second negative C plate and a second optical compensation layer disposed between the liquid crystal cell and the second polarizer, in which the first optical compensation layer is disposed between the first polarizer and the first negative C plate, the second optical compensation layer is disposed between the second negative C plate and the second polarizer, the first and second optical compensation layers each include a coating layer functioning as a λ/4 plate, and each have a thickness of 0.3 to 3 μm, and the first and second negative C plates each include a coating layer, and each have a thickness of 0.5 to 10 μm. | ||||||
| 108 | IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY INCLUDING VIEWING ANGLE COMPENSATION FILM USING +A-PLATE | US12752927 | 2010-04-01 | US20100188626A1 | 2010-07-29 | Byoung Kun JEON; Sergey Belyaev; Jeong Su Yu; Nikolay Malimonenko; Jun Won Jang |
| Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state. | ||||||
| 109 | IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY INCLUDING VIEWING ANGLE COMPENSATION FILM USING +A-PLATE | US12752913 | 2010-04-01 | US20100188625A1 | 2010-07-29 | Byoung Kun JEON; Sergey Belyaev; Jeong Su Yu; Nikolay Malimonenko; Jun Won Jang |
| Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state. | ||||||
| 110 | Retardation compensation element, liquid crystal display device, and liquid crystal projector | US11994798 | 2006-07-03 | US07764343B2 | 2010-07-27 | 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. | ||||||
| 111 | Optically anisotropic body and liquid crystal display | US11919485 | 2006-04-28 | US07719645B2 | 2010-05-18 | Hung Trong La; Shuhei Okude |
| The present invention provides a liquid crystal display that prevents false colors and has a wide viewing angle, display screen contrast that does not decline, and excellent productivity. The liquid crystal display, comprising a liquid crystal cell, a sheet-shaped optically anisotropic body positioned on only one side of the liquid crystal cell, and a pair of light polarizers located on both sides of the liquid crystal cell, wherein the optically anisotropic body satisfies the relationship of nx>ny>nz at wavelength of 550 nm, where nx is in-plane refraction index of lag axis direction, ny is refraction index of the direction perpendicular to the lag axis in the plane, and nz is refraction index of the thickness direction; and has a local minimal value in wavelength range of 380 to 490 nm and monotonous increase in both the short wavelength and long wavelength directions from the wavelength that shows the local minimal value, in wavelength characteristics of frontal direction retardation for light in wavelength range of 380 to 780 nm. | ||||||
| 112 | Liquid Crystal Display Operating in a Vertically Aligned Mode | US12302893 | 2007-06-06 | US20100118241A1 | 2010-05-13 | Serguei Petrovich Palto |
| The present invention relates generally to the field of liquid crystal display devices and more particularly to a liquid crystal display device operating in vertically aligned mode (VA-mode) in which liquid crystal molecules having a negative dielectric anisotropy are aligned generally perpendicularly to a panel surface of the liquid crystal display. A liquid crystal display according to the invention comprises a liquid crystal cell (6) of a vertical alignment mode, at least one polarizer (2, 10) arranged on each side of the liquid crystal cell, and at least one compensating structure (3, 7) disposed between the liquid crystal cell and at least one of the polarizers. The polarizers have transmission axes (11, 18) which are perpendicular to each other. | ||||||
| 113 | Liquid crystal display device | US10579739 | 2004-11-18 | US07667793B2 | 2010-02-23 | Motohiro Itadani; Shuhei Okude; Shunsuke Yamanaka; Kohei Arakawa |
| A liquid crystal display device of an in-plane switching mode comprises at least optically anisotropic members (A) and (B) and liquid crystal cell disposed between a pair of polarizers having absorption axes disposed approximately perpendicularly to each other, wherein nzA>nyA and nxB>nzB (nxA, nxB:refractive indices (n) in the direction of the in-plane slow axis; nyA, nyB:n in the in-plane direction perpendicular to the above direction; nzA, nzB:n in the direction of thickness, each at 550 nm); the in-plane slow axes of (A) and (B) are approximately parallel or perpendicular to each other; and the in-plane slow axis of (A) is approximately parallel or perpendicular to the absorption axis of a polarizer closer to (A). The antireflection property, scratch resistance and durability are excellent, the angle of field is wide, and uniform display of images with great contrast can be achieved at any angle of observation. | ||||||
| 114 | Optical element and liquid crystal display device, and method of producing optical element | US11905974 | 2007-10-05 | US07649598B2 | 2010-01-19 | Yuji Nakatsugawa |
| The present invention intends to provide an optical element that can be incorporated in a liquid crystal display device, is provided with a birefringent layer obtained by aligning and polymerizing polymerizable liquid crystal molecules, and, while sufficiently reflecting an actual condition of a liquid crystal display device, can reduce fear that a thickness of a driving liquid crystal layer unexpectedly varies. An optical element includes a light-transmitting base material and a birefringent layer comprising of aligned and polymerized liquid crystal molecules and having a value of indentation depth of 6% or less relative to a thickness of the birefringent layer, wherein said value is measured under conditions where a cylindrical indenter having a diameter of 30 (μm) is applied at a load of 10 mN/sec up to the maximum load of 400 mN. | ||||||
| 115 | Liquid crystal display | US11926896 | 2007-10-29 | US07605884B2 | 2009-10-20 | Hak-Sun Chang; Eun-Hee Han; Chang-Hun Lee; Seon-Hong Ahn |
| 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 parallel electric field formed between the pixel electrodes and reference electrodes. Polarization films are arranged outsides the two panels, and a quasi-A plate compensation film is arranged between the color filter panel and the polarization film. An LCD according to the present invention includes first and second panels, a common electrode formed within the first or the second panel, a pixel electrode formed within the same panel as the common electrode is formed, a liquid crystal layer interposed between the first and second panels, a lower polarization film arranged under the first panel in which the first polarization film is arranged between the first and the second supporting bodies, and an upper polarization film arranged over the second panel in which the second polarization film is arranged between the third and fourth supporting bodies. Yellow shift in black state is also reduced and contrast ratio of side view is improved by minimizing Rth in supporting films or by using TEG polarization film having small Rth. | ||||||
| 116 | Liquid crystal display device | US11935462 | 2007-11-06 | US07573553B2 | 2009-08-11 | Osamu Itou; Shoichi Hirota; Masaya Adachi; Shinichiro Oka |
| In a transflective type IPS type liquid crystal display device in which a phase difference layer has been built in a reflection display portion, a retardation value of the phase difference layer corresponding to a short wavelength color filter is different from a retardation value of the phase difference layer corresponding to a long wavelength color filter; while a blue display pixel is set to the short wavelength color filter and both red and green pixels are set to the long wavelength filter, the retardation value of the phase difference layer corresponding to the former-mentioned short wavelength color filter is made smaller than the retardation value of the phase difference layer corresponding to the latter-mentioned long wavelength color filter. | ||||||
| 117 | Liquid Crystal Composition, Color Filter and Liquid Crystal Display | US12085655 | 2007-06-15 | US20090195734A1 | 2009-08-06 | Shinji Hayashi; Norihisa Moriya |
| There is provided a liquid crystal composition capable of inexpensively and easily forming a phase difference layer excellent in mechanical strength such as hardness and in substrate adhesion properties, a color filter using the same, and a liquid crystal display apparatus using the color filter. Specifically, provided are a liquid crystal composition, a color filter 1 provided with a phase difference layer 4 produced by applying the liquid crystal composition onto a transparent substrate 2 and immobilizing, and a liquid crystal display apparatus 11 using the color filter 1 as a display side substrate 12. The liquid crystal composition contains therein: one kind or two or more kinds of crosslinkable liquid crystal compounds; at least one kind of silane coupling agents selected from sulfide silane coupling agents, mercapto silane coupling agents, amino silane coupling agents and (meth)acryloyl silane coupling agents; a multifunctional (meth)acrylate having an alcoholic hydroxyl group and a multifunctional (meth)acryloyl group in a molecular structure thereof; and an alicyclic epoxy compound. | ||||||
| 118 | 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 | US20090128758A1 | 2009-05-21 | 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. | ||||||
| 119 | Retardation compensator and single-panel type color liquid crystal projector | US10745999 | 2003-12-29 | US07468769B2 | 2008-12-23 | Kenichi Nakagawa |
| A form birefringence to compensate the phase retardation caused by a liquid crystal device has a retardation compensation film that is composed of alternately deposited high and low refractive index layers. The retardation compensation film is provided in at least one of the incident side and the emanation side of the liquid crystal device. The birefringence value Δn and the total thickness d of the retardation compensation film are adjusted such that the retardation of the retardation compensation film agrees with the retardation of the liquid crystal device at least at one wavelength in the visible band. | ||||||
| 120 | Wide Viewing Angle and Broadband Circular Polarizers for Transflective Liquid Crystal Displays | US11763839 | 2007-06-15 | US20080309854A1 | 2008-12-18 | Zhibing Ge; Meizi Jiao; Ruibo Lu; Thomas Xinzhang Wu; Shin-Tson Wu; Wang-Yang Li; Chung-Kuang Wei |
| Apparatus, devices, systems, and methods for wide viewing angle and broadband circular polarizers in transflective displays. A liquid crystal display configuration can include two stacked circular polarizers, each having a linear polarizer, a half-wave plate and a quarter-wave plate wherein two linear polarizers are crossed to each other, two half-wave plates are made of uniaxial A plates with opposite optical birefringence (one positive and one negative type), and two quarter-wave plates are made of uniaxial A plates with opposite optical birefringence (one positive and one negative type). The configurations can generate wide viewing angles and broadband properties and are suitable for display applications that require circular polarizers. | ||||||
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