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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241 | Liquid crystal display having positive and negative birefringent compensator films | US431500 | 1989-11-03 | US5189538A | 1993-02-23 | Kohei Arakawa |
A liquid crystal display comprising a liquid crystal cell and a polarizing sheet is disclosed, in which (A) at least one film having light transmission properties, said film (A) having at least one optic axis at an angle of not more than 45.degree. with the normal thereof or satisfying the relationship.eta..sub.TH -(.eta..sub.MD +.eta..sub.TD)/2>0wherein .eta..sub.TH is a refractive index in the normal direction; .eta..sub.MD is a refractive index in the machine direction; and .eta..sub.TD is a refractive index in the transverse direction, and (B) at least one uniaxially stretched film of a polymer having a positive intrinsic birefringence and light transmission properties are inserted between the liquid crystal cell and the polarizing sheet. Viewing angle dependence of retardation of the display can be eliminated, and the display has markedly wide ended viewing angle. | ||||||
242 | 液晶ディスプレイの光学補償方法 | JP2016524648 | 2013-07-11 | JP6266769B2 | 2018-01-24 | 康 志聡; 海 博 |
243 | 位相差フィルムの製造方法 | JP2015547773 | 2014-11-12 | JPWO2015072486A1 | 2017-03-16 | 拓 波多野; 泰秀 藤野 |
ポリカーボネートを含有する樹脂Aからなる樹脂層a、及び、固有複屈折が負である樹脂Bからなる樹脂層bを備える延伸前フィルムから、所定の光学特性を有する位相差フィルムを製造する製造方法であって;延伸前フィルムが、温度に応じて異なる位相差を生じる性質を有し;製造方法が、延伸前フィルムを異なる温度で異なる方向に複数回の一軸延伸処理を行う延伸工程を含み;延伸工程によって樹脂層aが延伸されることにより所定の面配向係数を有する樹脂層が得られ、また、樹脂層bが延伸されることにより所定の複屈折及びNz係数を有する樹脂層が得られ;樹脂Aの所定のガラス転移温度TgAを有し;、TgA及び樹脂Bのガラス転移温度TgBが所定の関係を満たす。 | ||||||
244 | IPSモード型液晶表示装置 | JP2013550158 | 2012-09-19 | JP5935810B2 | 2016-06-15 | 玉川 美典 |
245 | 液晶表示装置 | JP2012045871 | 2012-03-01 | JP2015096874A | 2015-05-21 | 坂井 彰; 渡辺 寿史; 居山 裕一; 伊東 亜希子; 浅岡 康; 佐藤 英次 |
【課題】黒表示における光漏れを防ぐとともに、白表示時の視野角特性を向上させ、更に、厚み増加及びコストアップを抑制することが可能な液晶表示装置を提供する。 【解決手段】集光バックライト及び液晶表示パネルを備え、該液晶表示パネルは、一対の基板と、該一対の基板に挟持された液晶層とを有し、該液晶層は、高分子分散液晶で構成されている液晶表示装置である。 【選択図】図1 |
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246 | 位相差フィルム積層体及び位相差フィルム積層体の製造方法 | JP2012550866 | 2011-12-20 | JPWO2012090791A1 | 2014-06-05 | 浩成 摺出寺; 拓 波多野 |
固有複屈折値が正の樹脂からなるA層と、スチレン系重合体を含む固有複屈折値が負の樹脂からなるB層と、脂環式構造を有する重合体を含む樹脂からなるC層とを、この順に備えるようにして、前記C層を剥離させた場合に、入射角0°におけるレターデーションReと、入射角40°におけるレターデーションR40とが、0.92≦R40/Re≦1.08の関係を満たす位相差フィルムを実現する。 | ||||||
247 | Liquid crystal display device | JP2013026071 | 2013-02-13 | JP2014029463A | 2014-02-13 | TAKEDA ATSUSHI; IWASAKI TATSUYA; MATSUDA YUKI; WAKITA TAKU; UMIHOKO HIROYUKI |
PROBLEM TO BE SOLVED: To provide a high contrast liquid crystal display device capable of suppressing leak light in a black display state and having improved gradation inversion in halftone display.SOLUTION: The liquid crystal display device comprises: a first polarizing film 20; a first retardation region 24; a liquid crystal cell in which a liquid crystal layer is sandwiched by a pair of substrates and liquid crystal molecules of the liquid crystal layer are oriented in parallel with a surface of the pair of substrates in black display; and a second polarizing film 22. A slow axis of the first retardation region 24 is arranged orthogonal to or parallel to a long axis of liquid crystal molecules of a liquid crystal cell substrate adjacent to the first retardation region 24 with a voltage not being applied to the liquid crystal molecules. The liquid crystal cell operates in lateral electric field mode. The first retardation region 24 at least includes a first retardation layer and a second retardation layer having different retardation values to each other. | ||||||
248 | The liquid crystal display device having a phase difference film made of liquid crystal polyimide having a photoreactive group | JP2011522779 | 2010-06-30 | JP5360212B2 | 2013-12-04 | 和彦 三枝; 典央 田村 |
In a liquid crystal display device having a plurality of retardation films for alleviating a deterioration in display quality depending on a viewing angle direction, and a driving liquid crystal layer selected from the group consisting of a driving liquid crystal layer typified by a VA mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned perpendicular to a substrate when no electric field is applied, a driving liquid crystal layer typified by an IPS mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned parallel to the substrate when no electric field is applied, and a driving liquid crystal layer that shows optical isotropy when no voltage is applied, a retardation film of a positive A-plate formed of a liquid crystalline polyimide having a photoreactive group is used as at least one layer of the plurality of retardation films. | ||||||
249 | Liquid crystal display device | JP2011535299 | 2010-05-20 | JP5330529B2 | 2013-10-30 | 彰 坂井; 一義 櫻木; 雅浩 長谷川 |
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. | ||||||
250 | Layered film, polarizing plate, liquid crystal display device, and manufacturing method of optical film | JP2011283783 | 2011-12-26 | JP2013134336A | 2013-07-08 | TAKEDA ATSUSHI; NAKAYAMA HAJIME; ITO YOJI |
PROBLEM TO BE SOLVED: To solve a problem of degradation in handling property associating with reduction in film thickness in a solution film-forming process.SOLUTION: A layered film is obtained by forming at least a retardation layer A (A layer) and B layer by solution co-casting process. In the film, the A layer has a thickness of 5 μm or more and 30 μm or less; the B layer has a higher elastic modulus than the A layer; and an interlayer release force between the A layer and the B layer is 0.05 N/cm or more and 5 N/cm or less. | ||||||
251 | Liquid crystal display device | JP2009199169 | 2009-08-31 | JP5133308B2 | 2013-01-30 | 善 鴻 安; 昶 勳 李; 銀 姫 韓; 學 ▲サン▼ 倉 |
252 | 光反応性基を有する液晶性ポリイミドよりなる位相差膜を有する液晶表示装置 | JP2011522779 | 2010-06-30 | JPWO2011007669A1 | 2012-12-27 | 和彦 三枝; 田村 典央; 典央 田村 |
液晶表示装置の視野角特性を改善する目的で使用される位相差膜を複数搭載した液晶表示装置において、位相差膜又は液晶表示装置の製造に掛かる負荷を軽減することを目的とする。視野角方向による表示品位の低下を改善するための複数の位相差膜と、VAモードに代表される電界が印加されないときに駆動液晶媒質における液晶分子が基板に対して垂直方向に配向する駆動液晶層、IPSモードに代表される電界が印加されないときに駆動液晶媒質における液晶分子が基板に対して水平方向に配向する駆動液晶層、及び電圧が印加されないときに光学的に等方性を示す駆動液晶層の群からなるいずれかの駆動液晶層とを有する液晶表示装置において、複数の位相差膜の少なくとも一層に、光反応性基を有する液晶性ポリイミドより形成されたポジティブAプレートの位相差膜を用いる。 | ||||||
253 | Liquid crystal panel and a liquid crystal display device | JP2007317442 | 2007-12-07 | JP4938632B2 | 2012-05-23 | 政俊 朝永; 博之 武本 |
254 | Method of producing an optical element and a liquid crystal display device, and an optical element | JP2006281012 | 2006-10-16 | JP4911297B2 | 2012-04-04 | 雄二 中津川 |
255 | Phase difference compensation element, a liquid crystal display device and a liquid crystal projector | JP2007555417 | 2006-07-03 | JP4897707B2 | 2012-03-14 | 謙一 中川 |
256 | Liquid crystal display device | JP2006300357 | 2006-11-06 | JP4886474B2 | 2012-02-29 | 理 伊東; 真一郎 岡; 昇一 廣田; 昌哉 足立 |
257 | The liquid crystal display device having a parallel alignment type liquid crystal layer | JP2007517566 | 2005-05-20 | JP4819804B2 | 2011-11-24 | 稔 柴▲ざき▼ |
258 | The liquid crystal display device and a liquid crystal display device using the optical element and which has a liquid crystal molecules are homeotropically aligned | JP2005133614 | 2005-04-28 | JP4548726B2 | 2010-09-22 | 淳志 末益 |
259 | Liquid crystal display device | JP2006528705 | 2005-06-28 | JP4476293B2 | 2010-06-09 | 彰 坂井 |
260 | Liquid crystal display | JP2009046975 | 2009-02-27 | JP2009301011A | 2009-12-24 | TO KIKYOKU; SHIN KICHURU; KANG SUNGMIN |
PROBLEM TO BE SOLVED: To provide a liquid crystal display having a side surface having satisfactory display characteristics. SOLUTION: The 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, a liquid crystal layer interposed between the lower and upper panels, a first compensation film disposed on an outer surface of one of the lower panel or the upper panel, a lower polarizer disposed on the outer surface of the lower panel and an upper polarizer disposed on the outer surface of the upper panel, and the liquid crystal display satisfies relations of 0 μm≤Dg-Db and Dr-Dg≤0.5 μm, wherein Dr, Dg and Db denote cell gap portions corresponding to red, green and blue color filters in the liquid crystal layer, respectively. COPYRIGHT: (C)2010,JPO&INPIT |