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 LIQUID CRYSTAL DISPLAY DEVICE HAVING RETARDATION FILM FORMED OF LIQUID CRYSTALLINE POLYIMIDE HAVING PHOTOREACTIVE GROUP US13384339 2010-06-30 US20120113338A1 2012-05-10 Kazuhiko Saigusa; Norio Tamura
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.
102 Liquid crystal panel and liquid crystal display apparatus US12516264 2007-11-15 US07969542B2 2011-06-28 Kentarou Takeda; Junichi Nagase
A liquid crystal panel includes a liquid crystal cell having a liquid crystal layer containing liquid crystal molecules that are vertically aligned in an absence of a voltage; a first optical compensation layer having a relationship of Nz =1 to 2.5 and a relationship of Re1(380) nz and a relationship of Re2(380) >Re2(550) >Re2(780); a first polarizer; a third optical compensation layer having a relationship of Nz =1 to 2.5 and a relationship of Re3(380) nz and a relationship of Re4(380) >Re4(550) >Re4(780); and a second polarizer wherein: the first optical compensation layer, the second optical compensation layer, and the first polarizer are placed on one side of the liquid crystal cell; and the third optical compensation layer, the fourth optical compensation layer, and the second polarizer are placed on the other side of the liquid crystal cell.
103 Optical film, polarizing plate and liquid crystal display US11911993 2006-04-20 US07876502B2 2011-01-25 Yoji Ito; Yoshiaki Hisakado; Yuta Takahashi
An optical film is provided and includes a transparent polymer film. The optical film has at least an A1 value defined by Re (450)/Re (550) of from 0.10 to 0.95 and A2 value defined by Re (650)/Re (550) of from 1.01 to 1.50. Re (λ) represents the retardation value of the film with respect to light having a wavelength of λ nm; and Rth (λ) is the retardation value in the thickness direction of film with respect to light having a wavelength of λ nm.
104 Liquid crystal display device with a pair of discotic liquid crystal compensating films US11369155 2006-03-06 US07864278B2 2011-01-04 Hiroki Sato; Kunpei Kobayashi; Mamoru Yoshida
A liquid crystal display device includes a liquid crystal layer which is arranged between first and second aligning films formed on inner sides of first and second substrates, has liquid crystal molecules twist-aligned in a direction from the first aligning film toward the second aligning film when an electric field is not applied between first and second electrodes, and generates retardation of substantially λ/2 with respect to transmitted light. First and second polarizing plates are arranged on outer sides of the first and second substrates. A Transmission axis or an absorption axis of the first polarizing plate is substantially matched with a direction along which the liquid crystal molecules in the vicinity of the first aligning film are aligned when a sufficiently intensive electric field is applied.
105 Transflective liquid crystal displays with sequentially flashing light sources US12243555 2008-10-01 US07791694B2 2010-09-07 Henning Molsen; Martin David Tillin
A transflective liquid crystal display (70) comprises a liquid crystal cell (38) disposed between a front substrate (40) and a rear substrate (36), a front polarizer (46) located in front of the front substrate (40) and a rear polarizer (32) located behind the rear substrate (36), a front retarder (42, 44) located between the front substrate (40) and the front polarizer (46), a rear retarder (62, 64) located between the rear substrate (36) and the rear polarizer (32), and a light source (30) located behind the rear polarizer (32). A transflective display having a number of differently colored sequentially flashing backlights is also provided.
106 Display that emits circularly-polarized light US11500677 2006-08-08 US07683983B2 2010-03-23 John Z. Zhong; Wei Chen; Cheng Chen; Victor H. E. Yin; Shawn R. Gettemy
One embodiment of the present invention provides a display that emits circularly-polarized light. This display includes a display mechanism that emits linearly-polarized light and a layer placed in the path of the linearly-polarized light. The layer receives the linearly-polarized light on one surface, converts the linearly-polarized light to circularly-polarized light, and then emits the circularly-polarized light from another surface. By emitting circularly-polarized light, the display reduces the perceived distortion found at some angles when the display is viewed through a linearly-polarizing filter.
107 DISPLAY DEVICE FOR INCREASING VIEWING ANGLE US12469361 2009-05-20 US20090316095A1 2009-12-24 Hee-Wook DO; Ki-Chul SHIN; Seung-Hee LEE; Sung-Min KANG; Kwang-Hyun KIM; Ji-Hoon KIM; Sang-Jae KIM
A 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, 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 substantially perpendicular to the first absorption axis. The positive A-plate and the negative A-plate may gather dispersed polarization states of a colored light.
108 OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY US11911993 2006-04-20 US20090052032A1 2009-02-26 Yoji Ito; Yoshiaki Hisakado; Yuta Takahashi
An optical film is provided and includes a transparent polymer film. The optical film has at least an A1 value defined by Re (450)/Re (550) of from 0.10 to 0.95 and A2 value defined by Re (650)/Re (550) of from 1.01 to 1.50. Re (λ) represents the retardation value of the film with respect to light having a wavelength of λ nm; and Rth (λ) is the retardation value in the thickness direction of film with respect to light having a wavelength of λ nm.
109 表示装置および電子機器 JP2011072217 2011-03-29 JP5893256B2 2016-03-23 玉置 昌哉; 前田 和之; 加邉 正章
110 カラー液晶ディスプレイおよび補償パネル JP2011505633 2009-04-22 JP5809975B2 2015-11-11 パルト、セルゲイ
111 表示装置 JP2009147454 2009-06-22 JP5774271B2 2015-09-09 都 熙 旭; 申 旗 ▲チュル▼; 李 承 喜; 姜 聲 敏; 金 洸 賢; 金 智 訓; 金 相 宰
112 液晶パネル及び該液晶パネルに用いられる偏光子積層体 JP2014097503 2014-05-09 JP2015111236A 2015-06-18 飯田 敏行; 喜多川 丈治
【課題】厚みが従来のものより大幅に減少され、IPS方式の液晶セルのような液晶セルを用いる液晶表示装置において、黒表示における斜め方向の光漏れを低減し、コントラストを高めることが可能な液晶パネルを提供すること。
【解決手段】液晶セルの両側の偏光子の各々は、厚みが10μm以下であり、単体透過率が40.0%以上、偏光度が99.8%以上の光学特性を有する。液晶セルの一方の側に位相差層が貼り合わされ、該位相差層は、厚みが25μm以下、透湿度が200g/m2以下であり、遅相軸方向の屈折率nx1と進相軸方向の屈折率ny1との差であるΔnxy1の値が0.0036以上、遅相軸方向の屈折率nx1と厚みz方向の屈折率nz1との差であるΔnxz1の値が0.0041以上とされて、面内位相差Reが90nm〜140nmの範囲内で、かつ、該第1の位相差層の厚みをd1としたとき、Rth=(nx1−nz1)xd1で表される厚み方向位相差Rthが100nm〜240nmの範囲内にされる。
【選択図】図1
113 位相差素子及びその製造方法、液晶表示装置及びその製造方法、並びに投射型画像表示装置 JP2013201849 2013-09-27 JP2015068935A 2015-04-13 小池 伸幸; 高田 昭夫; 花島 直樹
【課題】正面入射光の特性変化と、液晶層の厚みに起因する斜入射光の特性変化とを、効果的かつ高精度に補正することができ、配置スペースを大幅に縮小でき、更に耐久性にも優れる位相差素子を提供する。
【解決手段】透明基板31と、光学多層膜からなり、入射光のうち斜入射光に位相差を付与し、かつ前記入射光の反射を防止する位相差付与反射防止層32,36と、光学異方性無機材料を有してなり、前記光学異方性無機材料の屈折率異方性の主軸が前記透明基板の表面となすが90°ではない第1の複屈折層33と、光学異方性無機材料を有してなり、前記光学異方性無機材料の屈折率異方性の主軸が前記透明基板の表面となす角が90°ではない第2の複屈折層34を有する位相差素子。
【選択図】図11
114 液晶表示装置 JP2013131048 2013-06-21 JP2014232292A 2014-12-11 YANAI YUJIRO; SAITO YUKITO; SATO HIROSHI
【課題】白とびおよび色味付きを抑制した液晶表示装置を提供する。【解決手段】第1の偏光膜1、第1の位相差層2、第2の位相差層3、液晶層4、第3の位相差層5および第2の偏光膜6を該順に有し、液晶層は4ドメイン以下のVAモードであり、第1の位相差層のRe(550)が190〜260nmであり、第1の位相差層のRth(550)が80〜130nmであり、第1の位相差層の遅相軸と第1の偏光膜の吸収軸とのなす度が45?であり、第2の位相差層のRe(550)の絶対値が10nm以下であり、第2の位相差層のRth(550)が150〜350nmであり、第3の位相差層のRe(550)が190〜260nmであり、第3の位相差層のRth(550)が−80〜−130nmであり、液晶層の&Dgr;n・dが250〜450nmである、液晶表示装置。【選択図】図1
115 液晶表示装置 JP2013105645 2013-05-17 JP2014228567A 2014-12-08 YANAI YUJIRO; SAITO YUKITO; SATO HIROSHI
【課題】 4ドメイン以下のVAモードの液晶表示装置において、高い正面コントラストを維持しながら、高い視野コントラストを達成し、色づきの発生および白とびを抑制可能な液晶表示装置の提供。【解決手段】第1の偏光膜、第1の位相差層、第2の位相差層、液晶層、第3の位相差層、第4の位相差層および第2の偏光膜を該順に有し、液晶層は4ドメイン以下のVAモードであり、第1〜第4の位相差層のRe(550)およびRth(550)が所定の範囲内であり、第1の位相差層の遅相軸と第1の偏光膜の吸収軸とのなす角度が45?、第1の位相差層の遅相軸と電圧印加時の液晶層の面内遅相軸とが直交または平行、および第1の位相差層の遅相軸と第4の位相差層の遅相軸とが直交である。【選択図】図1
116 Liquid crystal display device JP2011530773 2010-06-14 JP5508427B2 2014-05-28 丈行 芦田; 泰彦 杉原
117 液晶表示装置 JP2011530773 2010-06-14 JPWO2011030596A1 2013-02-04 丈行 芦田; 泰彦 杉原
本発明は、黒付近を表示した状態で優れた階調反転特性を示す液晶表示装置の提供を目的とする。本発明は、第1偏光子と、第1偏光子に対向配置された第2偏光子と、第1偏光子及び第2偏光子の間に設けられた液晶表示パネルと、第1偏光子又は第2偏光子と、液晶表示パネルとの間に設けられた第1位相差板及び第2位相差板とを備え、液晶表示パネルは、互いに対向配置された一対の基板と、一対の基板間に狭持された液晶層とを有し、液晶層は、ホモジニアス配向した液晶分子を含み、第1位相差板は液晶フィルムを含み、液晶フィルムはネマチック液晶をハイブリッド配向した状態で固定化することによって形成され、液晶層及び第1位相差板を除く、第1偏光子及び第2偏光子の間にある部材の厚み方向の位相差である特定位相差は、120nm以上である液晶表示装置である。
118 Display device and electronic apparatus JP2011072217 2011-03-29 JP2012208212A 2012-10-25 TAMAOKI MASAYA; MAEDA KAZUYUKI; KABE MASAAKI
PROBLEM TO BE SOLVED: To provide a display device capable of obtaining high contrast and an electronic apparatus equipped with the same.SOLUTION: A display device comprises a reflection type liquid-crystal display panel 10, on which an optical laminate body 20 is provided. The optical laminate body 20 is composed of a negative C plate 21, a light diffusion plate 22, a λ/4 plate 23, a λ/2 plate 24, and a polarizing plate 25 being laminated in this order from the liquid-crystal display panel 10 side. By a phase compensation effect brought by the negative C plate 21, light leakage at the time of black display is reduced regardless of the mode of a liquid-crystal layer 13.
119 Ips or ffs type liquid crystal display device JP2012017814 2012-01-31 JP2012177906A 2012-09-13 UMIHOKO HIROYUKI
PROBLEM TO BE SOLVED: To provide an IPS or FFS type liquid crystal display device with reduced color shift in addition to improved viewing-angle contrast.SOLUTION: An IPS or FFS type liquid crystal display device includes a first polarization film (16), an optical compensation film (F) including a first retardation region (20) and a second retardation region (22), a first substrate (12), a liquid crystal layer (10) including a nematic liquid crystal material, and a second substrate (14) in this order. During black display, the liquid crystal molecule of the nematic liquid crystal material is aligned in parallel to surfaces of the pair of substrates, the slow axes of the first retardation region and the second retardation region are in parallel to each other, the second retardation region has an Re (550) of 20 nm or less and has an Rth (550) of 20 nm to 120 nm, and the first retardation region includes a retardation layer containing a vertically aligned discotic liquid crystal compound, has an Re (450)/Re (550) of 1 or more and 1.13 or less and an Re (650)/Re (550) of 0.94 or more and 1 or less.
120 + A- plate and + c-plate ips liquid crystal display device including a compensation film of the viewing angle with JP2006500712 2004-10-22 JP4597953B2 2010-12-15 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
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