| 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 | LIQUID CRYSTAL DISPLAY DEVICE | EP08862913.4 | 2008-11-06 | EP2226674A1 | 2010-09-08 | SAKAI, Akira |
The present invention provides a liquid crystal display device comprising: a first polarizer; a second polarizer; a liquid crystal cell; a first birefringent layer; and a second birefringent layer, the second polarizer having an absorption axis orthogonal to an absorption axis of the first polarizer, the liquid crystal cell being disposed between the first polarizer and the second polarizer, the first birefringent layer being disposed between the first polarizer and the liquid crystal cell, satisfying 0.6 ≤ Nz(550) ≤ 6, and having an in-plane slow axis orthogonal to the absorption axis of the first polarizer, the second birefringent layer being disposed between the liquid crystal cell and the second polarizer, satisfying -5 ≤ Nz(550) ≤ 0.4, and having an in-plane slow axis parallel to the absorption axis of the second polarizer, and at least one of the first and second birefringent layers satisfying |Rxy(450)| ≤ |Rxy(550)| ≤ |Rxy(650)|. |
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| 62 | DIOXETANE COMPOUND, CATIONICALLY POLYMERIZABLE COMPOSITION, OPTICAL FILM AND LIQUID CRYSTAL DISPLAY UNIT | EP06812114.4 | 2006-10-17 | EP1990339A1 | 2008-11-12 | SEKI, Takashi; KATAOKA, Takeshi; MAZAKI, Hitoshi; AIZONO, Hirofumi |
The present invention provides a novel dioxetane compound having a cationically polymerizable oxetane group, which compound is excellent in compatibility with a liquid crystalline compound and a non-liquid crystalline compound. The present invention also provides an optical film with excellent liquid crystal orientation retention properties and mechanical strength, produced by aligning a composition of the dioxetane compound and a cationically polymerizable compound in a liquid crystal orientation and fixing the liquid crystal orientation by polymerization, and a liquid crystal display device with the optical film. |
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| 63 | ELONGATED CIRCULARLY POLARIZING PLATE, ELONGATED BROADBAND /4 PLATE, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE | EP15844168.3 | 2015-09-11 | EP3199989A1 | 2017-08-02 | OOSATO, Kazuhiro |
A long-length circularly polarizing plate including: a polarizing film; a λ/2 plate having a slow axis in a direction forming an angle of 22.5° ±10° relative to an absorption axis of the polarizing film; and a λ/4 plate having a slow axis in a direction forming an angle of 90° ±20° relative to an absorption axis of the polarizing film, in this order, wherein the λ/2 plate and the λ/4 plate have different wavelength dispersions, and an NZ factor of the λ/4 plate NZq satisfies NZq ≤ 0.0. |
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| 64 | LIQUID CRYSTAL PANEL AND POLARIZER LAMINATE USED IN SAID LIQUID CRYSTAL PANEL | EP14858217 | 2014-09-03 | EP2921902A4 | 2016-07-13 | IIDA TOSHIYUKI; KITAGAWA TAKEHARU |
| Provided is a liquid crystal panel which is capable of significantly reducing a thickness thereof as compared to conventional liquid crystal panels, and, when used in a liquid crystal display device using a liquid crystal cell such as an IPS-type liquid crystal cell, reducing oblique light leakage in a black state of the liquid crystal display device to enhance contrast. Each of a pair of polarizers on respective opposite sides of a liquid crystal cell has a thickness of 10 µm or less, and exhibits optical properties including a single transmittance of 40.0% or more and a polarization degree of 99.8% or more. A retardation layer laminated to one of the opposite sides of the liquid crystal cell has a thickness of 25 µm or less, with a moisture permeability of 200 g/m 2 or less, wherein a value of ”nxy1 and a value of ”nxz1 are, respectively, 0.0036 or more, and 0.0041 or more, and Re and Rth are, respectively, in the range of 90 nm to 140 nm and the range of 100 nm to 240 nm, where ”nxy1 represents a difference between a refractive index nx1 in a slow axis direction and a refractive index ny1 in a fast axis direction; ”nxz1 represents a difference between the refractive index nx1 in the slow axis direction and a refractive index nz1 in a thickness-wise direction, Re represents an in-plane retardation, and Rth represents a thicknesswise retardation expressed in the formula Rth = (nx1-nz1) × d1, where d1 represents a thickness of the first retardation layer. | ||||||
| 65 | Liquid crystal display device and phase compensation method for the same | EP13182213.2 | 2013-08-29 | EP2708939B1 | 2016-04-20 | Hou, Xuecheng; Xiao, Ang; Lu, Kai |
| 66 | Liquid crystal display device with wide-viewing angle | EP13197983.3 | 2013-12-18 | EP2752708A1 | 2014-07-09 | Choi, Sang-Woong; Ko, Jeong-Hoon; Son, Hyoun-Sung; Kim, Eun-Jung; Yoo, Dong-Ha |
An LCD device includes a liquid crystal panel (110); a first polarizer (120) attached to a first surface of the liquid crystal panel (110) and including a first polarizing film (122), first and second optical compensation films (124,125) disposed on one surface of the first polarizing film (122), and a phase retardation film (127), a protective film (128) and a functional film (129) disposed on another surface of the first polarizing film (122); and a second polarizer (130) attached to a second surface of the liquid crystal panel (110) and including a second polarizing film (130), an inner protective film (134) disposed on one surface of the second polarizing film (130), and an outer protective film (136) disposed on another surface of the second polarizing film (130), wherein the first polarizing film is disposed between the phase retardation film (127) and the liquid crystal panel (110), and the phase retardation film (127) has a retardation value of λ/4.
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| 67 | LIQUID CRYSTAL DISPLAY DEVICE | EP10815194.5 | 2010-06-14 | EP2477063A1 | 2012-07-18 | ASHIDA, Takeyuki; SUGIHARA, Yasuhiko |
The present invention provides a liquid crystal display device exhibiting an excellent gray scale inversion characteristic in a state where a color close to black is displayed. The present invention is a liquid crystal display device including a first polarizer, a second polarizer disposed to face the first polarizer, a liquid crystal display panel provided between the first polarizer and the second polarizer, and a first phase plate and a second phase plate provided between the first or second polarizer and the liquid crystal display panel. In the liquid crystal display device, the liquid crystal display panel has a pair of substrates disposed to face each other and a liquid crystal layer sandwiched between the pair of substrates, the liquid crystal layer includes a homogeneously aligned liquid crystal molecule, the first phase plate includes a liquid crystal film, the liquid crystal film is formed by being set in a state where a nematic liquid crystal is hybrid-aligned, and a specific phase difference as a phase difference in a perpendicular direction of a member which is present between the first and second polarizers, excluding the liquid crystal layer and the first phase plate, is 120 nm or more. |
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| 68 | IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY COMPRISING COMPENSATION FILM FOR ANGULAR FIELD OF VIEW USING +A-PLATE AND +C-PLATE | EP04793559.8 | 2004-10-22 | EP1676170B1 | 2011-08-24 | JEON, Byoung-Kun; BELYAEV, Sergey; YU, Jeong-Su; MALIMONENKO, Nikolay |
| Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display improves the contrast characteristic at a front and at a predetermined inclination angle thereof by using a +A-plate and a +C-plate while minimizing a color shift according to viewing angles in the black state. | ||||||
| 69 | Multi-layer circularly-polarizing plate for liquid crystal display | EP10008685.9 | 2008-11-28 | EP2273290A2 | 2011-01-12 | Sakai, Akira; Sakuragi, Kazuyoshi |
The present invention provides an LCD device that has a higher contrast ratio in a wide viewing angle and that can be easily produced at low cost. The present invention is a liquid crystal display device, including in the following order: |
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| 70 | DIOXETANE COMPOUND, CATIONICALLY POLYMERIZABLE COMPOSITION, OPTICAL FILM AND LIQUID CRYSTAL DISPLAY UNIT | EP06812114 | 2006-10-17 | EP1990339A4 | 2010-06-09 | SEKI TAKASHI; KATAOKA TAKESHI; MAZAKI HITOSHI; AIZONO HIROFUMI |
| 71 | ELLIPTIC POLARIZING PLATE AND VERTICALLY ALIGNED LIQUID CRYSTAL DISPLAY USING THE SAME | EP07831188.3 | 2007-10-30 | EP2083290A1 | 2009-07-29 | UESAKA, Tetsuya; IKEDA, Satoru |
An elliptical polarizer with excellent viewing angle characteristics is provided which comprises at least a first polarizer, a first optical anisotropic layer, a second optical anisotropic layer, and a third optical anisotropic layer, laminated in this order, wherein the first optical anisotropic layer satisfies [1] 50≤Re1≤500, the second optical anisotropic layer satisfies [2] 0≤Re2≤20 and [3] -500≤Rth2≤-30, and the third optical anisotropic layer satisfies [4] 100≤Re3≤180 wherein Re and Rth indicate the retardation values in the plane and thickness direction, respectively, of each of the optical anisotropic layers. |
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| 72 | In-plane switching liquid crystal display comprising compensation film for angular field of view using +a-plate and +c-plate | EP08018712.3 | 2004-10-22 | EP2028536A1 | 2009-02-25 | The designation of the inventor has not yet been filed |
Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display improves the contrast characteristic at a front and at a predetermined inclination angle thereof by using a +A-plate and a +C-plate while minimizing a color shift according to viewing angles in the black state.
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| 73 | Transreflective liquid crytal displays | EP06123738.4 | 1999-09-22 | EP1750165A2 | 2007-02-07 | Molsen, Henning; Tillin, Martin |
A transflective display comprises a liquid crystal (110) divided into a plurality of pixels, addressing means for addressing each pixel and switching each pixel between different states resulting in different levels of transmission of light through the display, a flashing backlight located behind the liquid crystal, and a partially reflective mirror located between the liquid crystal and the backlight for both reflecting ambient light back through the liquid crystal and allowing transmission of light from the backlight through the liquid crystal. Each pixel is provided with a light filter, and the backlight comprises a plurality of sequentially flashing light sources (102,104,106).
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| 74 | LIQUID CRYSTAL DISPLAY PANEL | US15750157 | 2016-07-28 | US20180231844A1 | 2018-08-16 | AKIRA SAKAI; KOHZOH NAKAMURA; MASAHIRO HASEGAWA; TAKAKO KOIDE; KIYOSHI MINOURA |
| A liquid crystal display panel (100A) includes a first polarizing plate (22) and a first phase difference plate (32a) disposed on an observer side, and a second polarizing plate (24) and a second phase difference plate (34a) disposed on a back surface side. Δnd of a liquid crystal layer having a homogeneous alignment when no electrical field is applied is 360 nm or greater and 490 nm or less, and an in-plane retardation R1 of the first phase difference plate is 100 nm or greater and 160 nm or less. A thickness direction retardation of at least one of the first and second phase difference plates has a negative value. The slow axes of the first and second phase difference plates are substantially parallel to each other and substantially orthogonal to an azimuthal direction of the liquid crystal director. | ||||||
| 75 | DISPLAY APPARATUS | US15827243 | 2017-11-30 | US20180157086A1 | 2018-06-07 | Seon-ah CHO; Kyunghwan JEON |
| A display apparatus includes an optical member disposed on a display panel. The optical member includes a linear polarizer and a λ/4 phase retarder overlapping with green and red pixel areas and not overlapping with a blue pixel area. | ||||||
| 76 | LIQUID CRYSTAL PANELS | US14915628 | 2016-01-07 | US20180067364A1 | 2018-03-08 | Bo HAI |
| A liquid crystal panel includes a first vertical alignment (VA) liquid crystal cell, a first compensation layer and a first polarizer arranged on the first VA liquid crystal cell in turn, and a second compensation layer and a second polarizer arranged below the first VA liquid crystal cell in turn. A slow axis of the first compensation layer is configured to be 135 degrees, an absorption axis of the first PVA polarizer is configured to be 45 degree, a slow axis of the second compensation layer is configured to be 45 degrees, and an absorption axis of the second polarizer is configured to be 135 degrees. In this way, the VA liquid crystal panel may display normally, and the polarizer structure is the same with that of the conventional TN liquid crystal panel. | ||||||
| 77 | Liquid crystal display panel with switchable viewing angle and driving method thereof | US14418607 | 2015-01-20 | US09897872B2 | 2018-02-20 | Yuejun Tang |
| Disclosed is a liquid crystal display panel with a switchable viewing angle and a driving method thereof. A pixel unit located in a display area of the liquid crystal display panel comprises: a main pixel region, which is horizontally aligned, wherein pixel electrodes and common electrodes are alternately arranged on the lower substrate and spaced from one another; and a sub-pixel region, which is perpendicularly aligned, wherein upper substrate electrodes and corresponding pixel electrodes are arranged below the upper substrate and on the lower substrate, respectively. When no bias voltage is applied to the upper substrate electrodes in the sub-pixel region, liquid crystal molecules corresponding to the sub-pixel region do not deflect, such that large viewing angle light leakage occurs in the sub-pixel region, thereby achieving narrow viewing angle display. When a bias voltage is applied to the upper substrate electrodes in the sub-pixel region, the liquid crystal molecules corresponding to the sub-pixel region deflect to a flat state, such that large viewing angle light leakage ceases in the sub-pixel region, thereby achieving wide viewing angle display. | ||||||
| 78 | ELONGATED CIRCULARLY POLARIZING PLATE, ELONGATED BROADBAND LAMBDA/4 PLATE, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE | US15511032 | 2015-09-11 | US20170276850A1 | 2017-09-28 | Kazuhiro OOSATO |
| A long-length circularly polarizing plate including: a polarizing film; a λ/2 plate having a slow axis in a direction forming an angle of 22.5°±10° relative to an absorption axis of the polarizing film; and a plate having a slow axis in a direction forming an angle of 90°±20° relative to an absorption axis of the polarizing film, in this order, wherein the λ/2 plate and the λ/4 plate have different wavelength dispersions, and an NZ factor of the λ/4 plate NZq satisfies NZq≦0.0. | ||||||
| 79 | Semi-transmissive liquid crystal display device and electronic apparatus | US15225226 | 2016-08-01 | US09740065B2 | 2017-08-22 | Masaya Tamaki; Kazuyuki Maeda |
| According to an aspect, a semi-transmissive liquid crystal display device includes a plurality of pixels arranged in a matrix, a plurality of reflective electrodes, a counter electrode facing the reflective electrode, and a liquid crystal layer. The reflective electrodes are provided for each of the pixels, and each of them includes a plurality of electrodes, with a combination of the areas of which area coverage modulation is performed by using n bits. The electrodes are configured such that a ratio of the sum of the perimeter(s) of electrode(s) corresponding to each bit of the n bits satisfies 1:2: . . . :2n−1. The liquid crystal layer is provided between the reflective electrode and the counter electrode. The semi-transmissive liquid crystal display device is configured to carry out reflective display using the reflective electrode and carry out transmissive display using at least a space of the reflective electrode between the pixels. | ||||||
| 80 | COLOR FILM SUBSTRATES AND THE TRANSFLECTIVE LIQUID CRYSTAL DEVICES (LCDS) HAVING WIDE VIEWING ANGLE | US14901025 | 2015-12-03 | US20170199426A1 | 2017-07-13 | Chang XIE |
| A color film substrate and a transflective LCD having wide viewing angle are disclosed. The LCD includes a transmission area, and a reflective area. The LCD also includes a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first polarizer arranged on one side of the first substrate facing away the liquid crystal layer, a reflective layer between the second substrate and the liquid crystal layer, a half-wave plate arranged on one side of the liquid crystal layer facing toward the first substrate within the reflective area, and a second polarizer on one side of the second substrate facing away the liquid crystal layer. The half-wave plate includes a first half-wave plate and a second half-wave plate adjacent to each other. In this way, the viewing angle may be enlarged. | ||||||
