JP4541815B2 - 半透過型液晶表示装置及びその製造方法 - Google Patents
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
- G02F1/133555—Transflectors
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
- G02F1/133761—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle with different pretilt angles
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
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Description
図4は本発明の第1の実施形態に係る半透過型液晶表示装置を示す模式断面図、図5は同じくその半透過型液晶表示装置のTFT基板を示す平面図、図6は同じくその半透過型液晶表示装置の対向基板を示す平面図である。なお、図4は図5のI−I線の位置における断面を示している。また、図4においては、偏光板及びバックライト等の図示を省略している。
図9は本発明の第2の実施形態の半透過型液晶表示装置のTFT基板を示す平面図、図10は同じくその半透過型液晶表示装置の対向基板を示す平面図である。なお、図9,図10において、図5,図6と同一物には同一符号を付してその詳しい説明は省略する。
前記第1の基板の前記透過領域に配置された透明電極と、
前記第1の基板の前記反射領域に配置された反射電極と、
前記透明電極及び前記反射電極の表面を覆う第1の垂直配向膜と、
前記第2の基板に形成されて前記透明電極及び前記反射電極に対向するコモン電極と、
前記コモン電極の表面を覆う第2の垂直配向膜とを有し、
前記第2の垂直配向膜と前記透明電極上の前記第1の配向膜のみが光改質され、前記第1の配向膜と前記第2の配向膜の界面の液晶分子のプレチルト角が45°以上であり、前記透過領域の液晶分子がベンド配向していることを特徴とする半透過型液晶表示装置。
前記第1の基板の透過領域に透明導電体からなる透明電極を形成し、前記反射領域に金属からなる反射電極を形成し、前記透明電極及び前記反射電極の上に第1の垂直配向膜を形成する工程と、
前記反射電極が形成されていない面側から斜めに光照射して前記透過領域の前記第1の垂直配向膜のみを光改質して液晶分子のプレチルト角が45°以上となる第1のプレチルト方向規定処理を施す工程と、
前記第2の基板に前記透明電極及び前記反射電極に対向するコモン電極を形成し、前記コモン電極の表面を覆う第2の垂直配向膜を形成する工程と、
前記コモン電極が形成された面側から光照射して前記第2の垂直配向膜を光改質して液晶分子のプレチルト角が45°以上となる第2のプレチルト方向規定処理を施す工程と
を有することを特徴とする半透過型液晶表示装置の製造方法。
11a,11b…偏光板、
12…バックライトユニット、
21,110…TFT基板、
22,130…対向基板、
23,115,122,125…絶縁膜、
24,127,227a,227b…透明電極、
25,126…反射電極、
26,29,128,136…垂直配向膜、
27,133…カラーフィルタ、
28,135…コモン電極、
30,140…液晶層、
111,131…ガラス基板、
112…ゲートバスライン、
113…補助容量バスライン、
114…ダミーパターン、
116…半導体膜、
118…TFT、
119…補助容量電極、
120…配線、
121…パッド、
132…ブラックマトリクス、
134…透明樹脂膜、
211a.211b,221c,231…突起
241,242…露光マスク。
Claims (5)
- 第1及び第2の基板間に誘電率異方性が負の液晶を封入して構成され、透過光を制御する透過領域と反射光を制御する反射領域とを有する半透過型液晶表示装置において、
前記第1の基板の前記透過領域に配置され、縁部に複数のスリットが形成された透明電極と、
前記第1の基板の前記反射領域に配置された反射電極と、
前記透明電極及び前記反射電極の表面を覆う第1の垂直配向膜と、
前記第2の基板に形成されて前記透明電極及び前記反射電極に対向するコモン電極と、
前記コモン電極の表面を覆う第2の垂直配向膜とを有し、
前記第2の垂直配向膜と前記透明電極上の前記第1の垂直配向膜のみが光改質され、前記第1の垂直配向膜と前記第2の垂直配向膜の界面の液晶分子のプレチルト角が45°以上であり、前記透過領域の液晶分子がベンド配向し、
前記透過領域はさらに複数の領域に区画され、前記複数のスリットは前記透過領域の各領域でそれぞれ異なる方向に延びて形成され、
前記第1の垂直配向膜及び前記第2の垂直配向膜は前記透過領域の各領域で前記スリットとそれぞれ平行な方向にプレチルド方向規定処理が施され、
前記スリットは、前記透明電極と前記コモン電極との間に電圧を印加したときの液晶分子の配向方向を前記スリットに平行な方向に規定することを特徴とする半透過型液晶表示装置。 - 前記反射領域の液晶層の厚さが、前記透過領域の液晶層の厚さよりも薄いことを特徴とする請求項1に記載の半透過型液晶表示装置。
- 前記第1及び第2の基板の間隔が、前記反射領域に形成された突起により維持されていることを特徴とする請求項2に記載の半透過型液晶表示装置。
- 前記透過領域及び前記反射領域には、液晶分子のプレチルト方向が相互に異なる複数の領域が設けられていることを特徴とする請求項1乃至3のいずれか1項に記載の半透過型液晶表示装置。
- 第1及び第2の基板間に誘電率異方性が負の液晶を封入して構成され、透過光を制御する透過領域と反射光を制御する反射領域とを有する半透過型液晶表示装置の製造方法において、
前記第1の基板の透過領域に透明導電体からなり縁部に複数のスリットを有する透明電極を形成し、前記反射領域に金属からなる反射電極を形成し、前記透明電極及び前記反射電極の上に第1の垂直配向膜を形成する工程と、
前記反射電極が形成されていない面側から斜めに光照射して前記透過領域の前記第1の垂直配向膜のみを光改質して液晶分子のプレチルト角が45°以上となる第1のプレチルト方向規定処理を施す工程と、
前記第2の基板に前記透明電極及び前記反射電極に対向するコモン電極を形成し、前記コモン電極の表面を覆う第2の垂直配向膜を形成する工程と、
前記コモン電極が形成された面側から光照射して前記第2の垂直配向膜を光改質して液晶分子のプレチルト角が45°以上となる第2のプレチルト方向規定処理を施す工程とを有し、
前記透過領域はさらに複数の領域に区画され、前記複数のスリットは前記透過領域の各領域でそれぞれ異なる方向に延びて形成され、
前記第1の垂直配向膜及び前記第2の垂直配向膜は前記透過領域の各領域で前記スリットとそれぞれ平行な方向にプレチルド方向規定処理が施され、
前記スリットは前記透明電極と前記コモン電極との間に電圧を印加したときの液晶分子の配向方向を前記スリットに平行な方向に規定することを特徴とする半透過型液晶表示装置の製造方法。
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US11/046,095 US8035784B2 (en) | 2004-09-22 | 2005-01-28 | Semi-transmissive liquid crystal display device and manufacturing method of the same |
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JP4363339B2 (ja) * | 2005-03-03 | 2009-11-11 | エプソンイメージングデバイス株式会社 | 液晶装置および電子機器 |
JP2007212560A (ja) * | 2006-02-07 | 2007-08-23 | Toshiba Matsushita Display Technology Co Ltd | 液晶表示装置 |
JP2008175839A (ja) * | 2007-01-16 | 2008-07-31 | Tohoku Univ | 液晶表示装置 |
JP2008175838A (ja) * | 2007-01-16 | 2008-07-31 | Tohoku Univ | 液晶表示装置 |
JP2008180952A (ja) * | 2007-01-25 | 2008-08-07 | Seiko Epson Corp | 液晶装置及び電子機器 |
JP2008197129A (ja) * | 2007-02-08 | 2008-08-28 | Seiko Epson Corp | 液晶装置及び電子機器 |
JP2009128687A (ja) * | 2007-11-26 | 2009-06-11 | Sony Corp | 表示装置 |
CN102540577A (zh) * | 2012-02-13 | 2012-07-04 | 句容骏成电子有限公司 | 一种垂直取向π盒液晶显示器 |
KR102087195B1 (ko) | 2013-09-05 | 2020-03-11 | 삼성디스플레이 주식회사 | 표시 장치용 박막 트랜지스터 표시판 및 표시판의 제조방법 |
CN105785631A (zh) * | 2014-12-24 | 2016-07-20 | 群创光电股份有限公司 | 显示设备 |
US11175439B2 (en) | 2019-10-21 | 2021-11-16 | Nanjing Star Hidden Technology Development Co., Ltd. | Transmission structure |
CN110854539B (zh) * | 2019-10-21 | 2021-04-06 | 南京星隐科技发展有限公司 | 透射结构 |
CN111781774B (zh) | 2020-07-13 | 2021-08-03 | 深圳市华星光电半导体显示技术有限公司 | 液晶显示面板制备方法和液晶显示面板 |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10197862A (ja) * | 1997-01-10 | 1998-07-31 | Matsushita Electric Ind Co Ltd | 液晶表示装置及びそれに用いる位相板の製造方法 |
JP2000122099A (ja) * | 1998-10-20 | 2000-04-28 | Sharp Corp | 液晶ディスプレイデバイスおよびその製造方法、ならびに基板およびその製造方法 |
JP2001264820A (ja) * | 2000-02-08 | 2001-09-26 | Sharp Corp | 液晶表示デバイス |
JP2001249339A (ja) * | 2000-03-07 | 2001-09-14 | Sanyo Electric Co Ltd | 液晶表示装置 |
JP2002207227A (ja) * | 2000-09-27 | 2002-07-26 | Matsushita Electric Ind Co Ltd | 半透過型液晶表示装置 |
JP2003177430A (ja) * | 2001-12-07 | 2003-06-27 | Toshiba Corp | 液晶表示装置 |
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JP2006091216A (ja) | 2006-04-06 |
US20060061715A1 (en) | 2006-03-23 |
US8035784B2 (en) | 2011-10-11 |
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