序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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181 | Liquid crystal display device | JP2010165210 | 2010-07-22 | JP5380387B2 | 2014-01-08 | 高志 三本; 淳一 小林; 一浩 上天 |
182 | Image display device | JP2013023646 | 2013-02-08 | JP5370601B1 | 2013-12-18 | 靖 佐々木; 晴信 黒岩; 幸伸 向山 |
【課題】視認性が改善された画像表示装置を提供する。
【解決手段】(1)連続的な発光スペクトルを有する白色光源2、(2)画像表示セル4、(3)前記画像表示セル4より視認側に配置される偏光子5、及び(4)前記偏光子5より視認側に配置される少なくとも2枚の配向フィルム、を有し、前記少なくとも2枚の配向フィルムのうち1枚は3000nm以上150000nm以下のリタデーションを有するフィルム(高リタデーション配向フィルム)であり、前記高リタデーション配向フィルムは、残る配向フィルムのうち少なくとも1枚より光源側に配置されている、画像表示装置。 【選択図】図1 |
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183 | 液晶表示装置 | JP2011535299 | 2010-05-20 | JPWO2011043098A1 | 2013-03-04 | 坂井 彰; 彰 坂井; 一義 櫻木; 雅浩 長谷川 |
本発明は、広い視角範囲においてコントラスト比が高く、かつ黒表示時の着色が少ない液晶表示装置とすることを目的とする。本発明は、偏光子、nx>ny≧nzの第一のλ/4板、垂直配向型の液晶セル、第一のλ/4板と略同じNz係数を有し、かつnx>ny≧nzの第二のλ/4板、nx |
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184 | Display device and electronic apparatus | JP2011136568 | 2011-06-20 | JP2013003467A | 2013-01-07 | TAMAOKI MASAYA |
PROBLEM TO BE SOLVED: To provide a display device capable of achieving a low power consumption while suppressing the generation of a flicker, and an electronic apparatus provided therewith.SOLUTION: A display device includes: a liquid crystal layer; a plurality of pixel electrodes which are arranged in a region opposed to the liquid crystal layer and apply a voltage to the liquid crystal layer; a phase difference layer and a polarizing plate arranged at the side to which ambient light is incident in relation to the liquid crystal layer; and a drive circuit for driving pixel electrodes made of a plurality of partial electrodes. The drive circuit selects the partial electrodes applying a constant voltage so as to make the liquid crystal display panel display white in accordance with a picture image signal, and performs a gradation display by modulating a light emission area of each pixel with a frame rate set to be less than 60 Hz. | ||||||
185 | Liquid crystal display device | JP2006008910 | 2006-01-17 | JP4909594B2 | 2012-04-04 | 一浩 上天 |
186 | 液晶表示装置 | JP2010507117 | 2008-11-28 | JPWO2009125515A1 | 2011-07-28 | 坂井 彰; 彰 坂井; 一義 櫻木 |
本発明は、低コストかつ簡便に製造することができるとともに、広い視角範囲において高いコントスラト比を実現することができる液晶表示装置を提供する。本発明は、第一の偏光子、第一種の複屈折層、第一のλ/4板、液晶セル、第二のλ/4板、第二種の複屈折層、及び、上記第一の偏光子の吸収軸に対して吸収軸が直交する第二の偏光子をこの順に有する液晶表示装置であって、上記第一種の複屈折層は、Nz>0.9を満たし、面内遅相軸が第一の偏光子の吸収軸に対して直交し、上記第一のλ/4板は、面内遅相軸が上記第一の偏光子の吸収軸に対して略45°の角度をなし、上記液晶セルは、液晶セル中の液晶分子を基板面に垂直に配向させることで黒表示を行い、上記第二のλ/4板は、面内遅相軸が第一のλ/4板の面内遅相軸に対して直交し、上記第二種の複屈折層は、Nz<0.1を満たし、面内遅相軸が第二の偏光子の吸収軸と平行である液晶表示装置である。 | ||||||
187 | + A- plate and + c-plate ips liquid crystal display device including a compensation film of the viewing angle with | JP2009058089 | 2009-03-11 | JP4663019B2 | 2011-03-30 | ジョン−スー・ユー; セルゲイ・ビリャエフ; ニコライ・マリモネンコ; ビョン−クン・ジョン |
188 | Dioxetane compounds, cationically polymerizable composition and the optical film and a liquid crystal display device | JP2006053652 | 2006-02-28 | JP4648854B2 | 2011-03-09 | 健 片岡; 啓文 相園; 仁詩 真崎; 隆史 關 |
189 | Circularly polarizing plate | JP2010108635 | 2010-05-10 | JP2010211230A | 2010-09-24 | SAKAI AKIRA; SAKURAGI KAZUYOSHI |
<P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device which is easily manufactured at low cost and achieves a high contrast ratio in a wide range of viewing angles. <P>SOLUTION: The liquid crystal display includes, in this order, a first polarizer, a birefringence layer of type I, a first λ/4 plate, a liquid crystal cell, a second λ/4 plate, a birefringence layer of type II, and a second polarizer having an absorption axis perpendicular to that of the first polarizer. The birefringence layer of type I satisfies Nz>0.9 and has an in-plane slow axis perpendicular to the absorption axis of the first polarizer. The first λ/4 plate has an in-plane slow axis at an angle of approximately 45° to the absorption axis of the first polarizer. The liquid crystal cell makes black displaying when liquid crystal molecules in the liquid crystal cell are aligned perpendicular to a substrate surface. The second λ/4 plate has an in-plane slow axis perpendicular to the in-plane slow axis of the first λ/4 plate. The birefringence layer of type II satisfies Nz<0.1 and has an in-plane slow axis parallel to the absorption axis of the second polarizer. Nz is defined by Nz=(nx-nz)/(nx-ny), wherein nx and ny (nx>ny) are principal refractive indexes in an in-plane direction of birefringence layers (including the liquid crystal cell and λ/4 plates) and nz is a principal refractive index in an out-of-plane direction (thickness direction). <P>COPYRIGHT: (C)2010,JPO&INPIT | ||||||
190 | Liquid crystal display device | JP2010507117 | 2008-11-28 | JP4538096B2 | 2010-09-08 | 彰 坂井; 一義 櫻木 |
191 | Display device | JP2009147454 | 2009-06-22 | JP2010002906A | 2010-01-07 | TO KIKYOKU; SHIN KICHURU; LEE SEUNG-HEE; KANG SUNGMIN; KIM KWANG-HYUN; KIM JI-HOON; KIM SANG-JAE |
<P>PROBLEM TO BE SOLVED: To provide a display device capable of increasing a viewing angle in a vertical alignment mode. <P>SOLUTION: The display device includes a display panel, a first optical unit, and a second optical unit. The display panel includes a first substrate, a second substrate opposed to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The liquid crystal layer is operated in a vertical alignment mode. The first optical unit includes a C-plate and a first polarization plate having a first absorption axis. The second optical unit includes a positive A-plate, a negative A-plate, and a second polarization plate having a second absorption axis perpendicular to the first absorption axis. The positive A-plate and the negative A-plate may minimize dispersed polarization states of a colored light and a contrast ratio and the viewing angle can be enhanced. <P>COPYRIGHT: (C)2010,JPO&INPIT | ||||||
192 | Liquid crystal display | JP2000571307 | 1999-09-22 | JP2002525680A | 2002-08-13 | マーティン デイビッド ティリン,; ヘニング モールセン, |
(57)【要約】 透過反射型液晶ディスプレイ(70)は、前方基板(40)と、後方基板(36)との間に配置された液晶セル(38)と、前方基板(40)の前方に配置された前方偏光子(46)と、後方基板(36)の後方に配置された後方偏光子(32)と、前方基板(40)と前方偏光子(46)との間に配置された前方リターダ(42、44)と、後方基板(36)と後方偏光子(32)との間に配置された後方リターダ(62、64)と、後方偏光子(32)の後方に配置された光源(30)とを備える。 複数の異なる色が付けられた順次照射するバックライトを有する透過反射型ディスプレイがまた、提供される。 | ||||||
193 | COLOR LIQUID CRYSTAL DISPLAY AND COMPENSATION PANEL | EP09735427.8 | 2009-04-22 | EP2291703B1 | 2016-11-30 | PALTO, Serguei |
194 | LIQUID-CRYSTAL DISPLAY DEVICE | EP10821770 | 2010-05-20 | EP2487536A4 | 2014-04-16 | SAKAI AKIRA; SAKURAGI KAZUYOSHI; HASEGAWA MASAHIRO |
The present invention provides a liquid-crystal display device that can achieve high contrast ratios in a wide range of viewing angles and reduce coloration during black display. The liquid-crystal display device according to the present invention includes a polarizer, a first quarter-wave plate adapted to satisfy nx > ny ‰¥ nz, a vertically aligned liquid crystal cell, a second quarter-wave plate provided with substantially the same Nz factor as the first quarter-wave plate and adapted to satisfy nx > ny ‰¥ nz, a birefringent layer adapted to satisfy nx < ny ‰¤ nz and, a polarizer, all of which are stacked in this order, wherein the liquid crystal cell includes a liquid crystal layer and blue, green, and red color filter layers and satisfies at least one of the expressions below: R B / R G > ”n B / ”n G R R / R G < ”n R / ”n G where R(B), R(G), and R(R) represents perpendicular phase difference of the liquid crystal cell at wavelengths of 450 nm, 550 nm, and 650 nm, respectively, and ”n(B), ”n(G), and ”n(R) represent birefringence values of a liquid crystal material of the liquid crystal layer at wavelengths of 450 nm, 550 nm, and 650 nm, respectively. | ||||||
195 | LIQUID CRYSTAL DISPLAY DEVICE | EP10815194 | 2010-06-14 | EP2477063A4 | 2014-04-02 | ASHIDA TAKEYUKI; SUGIHARA YASUHIKO |
196 | Liquid crystal display device and phase compensation method for the same | EP13182213.2 | 2013-08-29 | EP2708939A1 | 2014-03-19 | Hou, Xuecheng; Xiao, Ang; Lu, Kai |
A liquid crystal display device and a phase compensation method for the same are provided. The liquid crystal display device includes: a lower substrate (9), an upper substrate (8) opposed to the lower substrate, a first polarizer assembly (23) located on a surface of the lower substrate, a second polarizer assembly (21) located on a surface of the upper substrate and a liquid crystal layer (4) located between the upper substrate and the lower substrate; the first polarizer assembly including a first polarizing plate (1) and a first optical retardation thin film (2); the second polarizer assembly including a second polarizing plate (5) and a second optical retardation thin film (6); wherein, the first polarizer assembly further includes a first wave plate (3); the second polarizer assembly further includes a second wave plate (7). |
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197 | 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 | EP2028536B1 | 2013-07-17 | Jeon, Byoung Kun; Belyaev, Sergey; Yu, Jeong Su; Malimonenko, Nikolay |
198 | DIOXETANE COMPOUND, CATIONICALLY POLYMERIZABLE COMPOSITION, OPTICAL FILM AND LIQUID CRYSTAL DISPLAY UNIT | EP06812114.4 | 2006-10-17 | EP1990339B1 | 2012-05-02 | SEKI, Takashi; KATAOKA, Takeshi; MAZAKI, Hitoshi; AIZONO, Hirofumi |
Novel dioxetane compounds having a cationically polymerizable oxetane group that excel in compatibility with liquid crystal compounds and non-liquid-crystal compounds. A composition containing any of the dioxetane compounds and a cationically polymerizable compound is subjected to liquid crystal alignment and subsequent polymerization so as to fix the liquid crystal alignment, thereby providing an optical film excelling in liquid crystal alignment retaining capability and mechanical strength and providing a liquid crystal display unit fitted with the optical film. | ||||||
199 | LIQUID CRYSTAL DISPLAY DEVICE | EP08862913.4 | 2008-11-06 | EP2226674B1 | 2012-03-07 | SAKAI, Akira |
A liquid crystal display device of the present invention has a first polarizer, a second polarizer whose absorption axis is orthogonal to the absorption axis of the first polarizer, and a liquid crystal cell arranged between the first polarizer and the second polarizer. The liquid crystal display device has a first-type birefringence layer between the first polarizer and the liquid crystal cell and has a second-type birefringence layer between the liquid crystal cell and the second polarizer. The first-type birefringence layer meets the relation of 0.6 ≤ Nz (550) ≤ 6 and its in-plane slow axis is orthogonal to the absorption axis of the first polarizer. The second-type birefringence layer meets the relation of -5 ≤ Nz (550) ≤ 0.4 and its in-plane slow axis is parallel to the absorption axis of the second polarizer. At least one of the first-type and second-type birefringence layers meets the relation of |Rxy(450)| ≤ |Rxy(550)| ≤ |Rxy(650)|. | ||||||
200 | Transreflective liquid crytal displays | EP06123738.4 | 1999-09-22 | EP1750165B1 | 2012-02-01 | Molsen, Henning; Tillin, Martin |