JP2011253191A - 大チルト角度および高コントラストを有した垂直配向ネマチック・モード液晶表示装置 - Google Patents
大チルト角度および高コントラストを有した垂直配向ネマチック・モード液晶表示装置 Download PDFInfo
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Abstract
【解決手段】反射型液晶オンシリコン(LCOS)表示装置は、透過性基板102と、反射基板104と、基板間に液晶液と、行列のピクセルを含む。LCOS表示装置は、フリンジ電界から生じる回位を解決し、同時に高コントラストを達成するのに十分なチルト角度を有する。液晶液の分子の表面方位角度が、入ってくる線形に偏光された入射光の偏光方向に対して、実質的に平行または垂直のいずれかである。入ってくる線形に偏光された入射光が受ける有効な複屈折が、実質的にゼロであり、液晶液の分子のプレチルトに依存しないので、光漏れは、最小である。透過性基板と反射基板の間で、液晶液の分子のツイストは、「オフ」状態のとき、約0°から約90°まで変わることができる。
【選択図】図1
Description
Vertically Aligned Nematic Reflective LC Displays Without Hurting the Display
Contrast)」と題する米国仮特許出願第60/450,370号に基づき優先権を主張するものであり、これは、参照によりすべての目的で本明細書に組み込まれる。
Claims (3)
- 反射型液晶表示装置のための方法であって、
透過性である第1の基板を設けるステップと、
反射型であり、前記第1の基板と平行である第2の基板を設けるステップと、
前記第1と第2の基板の間に在り、複屈折率(Δn)および負の誘電体異方性を有した液晶液を設けるステップと、
前記第1の基板上に第1の液晶アラインメント層を設けるステップであって、前記第1の液晶アラインメント層が、前記液晶液に直近し、前記第1の液晶アラインメント層に直近する前記液晶液の分子が、2°から15°までの第1のプレチルト角度および第1の方位角度を有する、ステップと、
前記第2の基板上に第2の液晶アラインメント層を設けるステップであって、前記第2の液晶アラインメント層が、前記液晶液に直近し、前記第2の液晶アラインメント層に直近する前記液晶液の分子が、2°から15°までの第2のプレチルト角度および第2の方位角度を有し、前記第2の方位角度が、前記第1の方位角度に対して垂直である、ステップとを含み、
電界が、前記第1と第2の基板の間に加えられないとき、
前記液晶液が、そこを通過する光の偏光状態を変化させず、したがって線形に偏光された入射光の偏光方向および線形に偏光された反射光の偏光方向が、前記第1の基板において互いに平行であり、
最大値の電界を前記第1と第2の基板の間に加えたとき、
前記液晶液が、前記第1の基板で線形に偏光された入射光を、前記第2の基板に達したとき円形に偏光された入射光に変化させ、前記第2の基板が、円形に偏光された入射光を、反対の左右像で円形に偏光された光として反射して戻し、前記液晶液が、円形に偏光された反射光を、前記第1の基板に達したとき線形に偏光された反射光に変化させ、
したがって、線形に偏光された入射光の偏光方向および線形に偏光された反射光の偏光方向が、前記第1の基板において互いに垂直になり、
最大値より小さい電界を前記第1と第2の基板の間に加えたとき、
前記液晶液が、線形に偏光された入射光の偏光状態を、前記液晶液中を通過するとき楕円に偏光された光に変化させ、前記第2の基板が反射して戻す、方法。 - 反射型液晶表示装置のための方法であって、
透過性である第1の基板を設けるステップと、
反射型であり、前記第1の基板と平行である第2の基板を設けるステップと、
前記第1と第2の基板の間に在り、複屈折率(Δn)および負の誘電体異方性を有した液晶液を設けるステップと、
前記第1の基板上に第1の液晶アラインメント層を設けるステップであって、前記第1の液晶アラインメント層が、前記液晶液に直近し、前記第1の液晶アラインメント層に直近する前記液晶液の分子が、2°から15°までの第1のプレチルト角度および第1の方位角度を有する、ステップと、
前記第2の基板上に第2の液晶アラインメント層を設けるステップであって、前記第2の液晶アラインメント層が、前記液晶液に直近し、前記第2の液晶アラインメント層に直近する前記液晶液の分子が、2°から15°までの第2のプレチルト角度および第2の方位角度を有し、前記第2の方位角度が、前記第1の方位角度に対して垂直である、ステップとを含み、
電界が、前記第1と第2の基板の間に加えられないとき、前記液晶液の分子が、前記第1および第2の基板に対してその方位角度を垂直にさせられ、
電界を前記第1と第2の基板の間に加えたとき、前記液晶液の分子が、そのチルト角度を増加させられ、
それによって、電界を前記第1と第2の基板の間に加えたとき、
前記液晶液が、前記第1の基板で線形に偏光された入射光を、前記第2の基板に達したとき円形に偏光された入射光に変化させ、
前記第2の基板が、円形に偏光された入射光を、反対の左右像で円形に偏光された光として反射して戻し、
前記液晶液が、円形に偏光された反射光を、前記第1の基板に達したとき線形に偏光された反射光に変化させ、
したがって、線形に偏光された入射光の偏光方向および線形に偏光された反射光の偏光方向が、前記第1の基板において互いに垂直になり、
それによって、前記第1と第2の基板の間に電界を加えないとき、
前記液晶液が、前記液晶液を通過する光の偏光状態を変化させず、
したがって、線形に偏光された入射光の偏光方向および線形に偏光された反射光の偏光方向が、前記第1の基板において互いに平行になり、
前記第1の基板上の線形偏光子の偏光方向が前記第1の方位角度に対して平行かまたは垂直である、
方法。 - 反射型液晶表示アセンブリであって、
透過性である第1の基板と、
反射型であり、前記第1の基板と平行に位置する第2の基板と、
前記第1と第2の基板の間に在り、複屈折率(Δn)および負の誘電体異方性を有した液晶液と、
前記第1および第2の基板上にそれぞれ在る、第1および第2の液晶アラインメント層とを含み、
前記第1および第2の液晶アラインメント層に直近する前記液の分子が、有限のプレチルト角度を有し、それぞれ第1および第2の方位角度で配向され、
前記反射型液晶表示アセンブリが、
(i)電界が、前記基板間に印加されないとき、前記液の分子が、前記基板に対して垂直に配向され、
(ii)最大値の電界が、前記基板間に印加されたとき、前記液の分子のチルト角度が、増加させられ、
(iii)最大電界より小さい電界が、前記基板間に印加されたとき、前記液の分子が、中間のチルト角度に配向されるように、構成され、
前記第1の基板上の線形偏光子の偏光方向が、前記第1の方位角度に対して平行かまたは垂直である、
アセンブリ。
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US45037003P | 2003-02-26 | 2003-02-26 | |
US60/450,370 | 2003-02-26 | ||
US10/438,511 | 2003-05-15 | ||
US10/438,511 US20040165128A1 (en) | 2003-02-26 | 2003-05-15 | Vertically aligned nematic mode liquid crystal display having large tilt angles and high contrast |
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JP2006503891A Division JP5210517B2 (ja) | 2003-02-26 | 2004-02-26 | 大チルト角度および高コントラストを有した垂直配向ネマチック・モード液晶表示装置 |
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JP2011253191A true JP2011253191A (ja) | 2011-12-15 |
JP5722713B2 JP5722713B2 (ja) | 2015-05-27 |
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JP2006503891A Expired - Lifetime JP5210517B2 (ja) | 2003-02-26 | 2004-02-26 | 大チルト角度および高コントラストを有した垂直配向ネマチック・モード液晶表示装置 |
JP2011151746A Expired - Lifetime JP5722713B2 (ja) | 2003-02-26 | 2011-07-08 | 大チルト角度および高コントラストを有した垂直配向ネマチック・モード液晶表示装置 |
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JP2006503891A Expired - Lifetime JP5210517B2 (ja) | 2003-02-26 | 2004-02-26 | 大チルト角度および高コントラストを有した垂直配向ネマチック・モード液晶表示装置 |
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US (4) | US20040165128A1 (ja) |
EP (1) | EP1599758B1 (ja) |
JP (2) | JP5210517B2 (ja) |
KR (1) | KR101169401B1 (ja) |
AT (1) | ATE394705T1 (ja) |
DE (1) | DE602004013551D1 (ja) |
TW (1) | TWI364608B (ja) |
WO (1) | WO2004077392A2 (ja) |
Families Citing this family (14)
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US8462299B2 (en) * | 2004-03-05 | 2013-06-11 | Sony Corporation | Reflection type liquid crystal display device, display apparatus, and projection system |
US20050270443A1 (en) * | 2004-06-03 | 2005-12-08 | Chia-Te Lin | Liquid crystal display panel |
US20060066805A1 (en) * | 2004-09-30 | 2006-03-30 | Anders Grunnet-Jepsen | Liquid crystal on silicon (LCOS) microdisplay with retarder that reduces light beam polarization changes |
US7643053B2 (en) * | 2005-08-04 | 2010-01-05 | Victor Company Of Japan, Ltd. | Reflective liquid crystal display device and projection display apparatus using the same |
JP4661510B2 (ja) * | 2005-10-03 | 2011-03-30 | 日本ビクター株式会社 | 投射表示装置及び3板式液晶プロジェクタ |
WO2008019227A2 (en) * | 2006-08-03 | 2008-02-14 | Cuspate, Llc | Self-compensating, quasi-homeotropic liquid crystal device |
WO2008109162A2 (en) * | 2007-03-07 | 2008-09-12 | Interdigital Technology Corporation | Combined open loop/closed loop method for controlling uplink power of a mobile station |
JP5803114B2 (ja) * | 2011-01-25 | 2015-11-04 | セイコーエプソン株式会社 | プロジェクター |
CN105549290B (zh) * | 2016-02-01 | 2019-07-23 | 京东方科技集团股份有限公司 | 显示面板和显示装置 |
CN106054441B (zh) * | 2016-08-12 | 2022-06-14 | 京东方科技集团股份有限公司 | 一种偏光装置及其驱动方法、显示装置 |
GB2568021B (en) * | 2017-09-08 | 2021-12-01 | Dualitas Ltd | Holographic projector |
TW202001384A (zh) | 2018-06-15 | 2020-01-01 | 美商複合光子股份有限公司 | 液晶混合物及其製造方法,以及包含液晶混合物的裝置 |
TWI772125B (zh) * | 2021-07-28 | 2022-07-21 | 國立中山大學 | 電控偏振旋轉裝置 |
CN114488624B (zh) * | 2022-04-14 | 2022-07-05 | 深圳市晶鸿电子有限公司 | 一种硅基液晶及光波长选择开关 |
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2003
- 2003-05-15 US US10/438,511 patent/US20040165128A1/en not_active Abandoned
-
2004
- 2004-02-26 DE DE602004013551T patent/DE602004013551D1/de not_active Expired - Lifetime
- 2004-02-26 WO PCT/US2004/005797 patent/WO2004077392A2/en active Application Filing
- 2004-02-26 JP JP2006503891A patent/JP5210517B2/ja not_active Expired - Lifetime
- 2004-02-26 TW TW093104939A patent/TWI364608B/zh not_active IP Right Cessation
- 2004-02-26 KR KR1020057015692A patent/KR101169401B1/ko active IP Right Grant
- 2004-02-26 EP EP04715065A patent/EP1599758B1/en not_active Expired - Lifetime
- 2004-02-26 AT AT04715065T patent/ATE394705T1/de not_active IP Right Cessation
-
2005
- 2005-09-13 US US11/225,683 patent/US20060007379A1/en not_active Abandoned
-
2009
- 2009-09-17 US US12/561,351 patent/US8724059B2/en active Active
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2011
- 2011-07-08 JP JP2011151746A patent/JP5722713B2/ja not_active Expired - Lifetime
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2014
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Also Published As
Publication number | Publication date |
---|---|
KR20050109946A (ko) | 2005-11-22 |
JP2006519415A (ja) | 2006-08-24 |
WO2004077392A3 (en) | 2004-12-16 |
US20040165128A1 (en) | 2004-08-26 |
JP5722713B2 (ja) | 2015-05-27 |
US20060007379A1 (en) | 2006-01-12 |
TWI364608B (en) | 2012-05-21 |
ATE394705T1 (de) | 2008-05-15 |
US20100207931A1 (en) | 2010-08-19 |
US8724059B2 (en) | 2014-05-13 |
US20140226097A1 (en) | 2014-08-14 |
US9551901B2 (en) | 2017-01-24 |
EP1599758B1 (en) | 2008-05-07 |
DE602004013551D1 (de) | 2008-06-19 |
TW200500755A (en) | 2005-01-01 |
KR101169401B1 (ko) | 2012-08-03 |
EP1599758A2 (en) | 2005-11-30 |
WO2004077392A2 (en) | 2004-09-10 |
JP5210517B2 (ja) | 2013-06-12 |
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