HK172696A - Method of reducing shadowed areas in alignment layers of liquid crystal displays - Google Patents

Method of reducing shadowed areas in alignment layers of liquid crystal displays

Info

Publication number
HK172696A
HK172696A HK172696A HK172696A HK172696A HK 172696 A HK172696 A HK 172696A HK 172696 A HK172696 A HK 172696A HK 172696 A HK172696 A HK 172696A HK 172696 A HK172696 A HK 172696A
Authority
HK
Hong Kong
Prior art keywords
reducing
liquid crystal
crystal displays
alignment layers
shadowed areas
Prior art date
Application number
HK172696A
Other languages
English (en)
Inventor
S G Togashi
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of HK172696A publication Critical patent/HK172696A/xx

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
HK172696A 1989-04-07 1996-09-12 Method of reducing shadowed areas in alignment layers of liquid crystal displays HK172696A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8892089A JP2749624B2 (ja) 1989-04-07 1989-04-07 アクティブマトリクス液晶表示素子の液晶分子配向処理方法
PCT/JP1990/000457 WO1990012340A1 (en) 1989-04-07 1990-04-04 Alignment of liquid crystal molecules of active matrix liquid crystal display device

Publications (1)

Publication Number Publication Date
HK172696A true HK172696A (en) 1996-09-20

Family

ID=13956354

Family Applications (1)

Application Number Title Priority Date Filing Date
HK172696A HK172696A (en) 1989-04-07 1996-09-12 Method of reducing shadowed areas in alignment layers of liquid crystal displays

Country Status (6)

Country Link
US (1) US5198917A (ja)
EP (1) EP0418400B1 (ja)
JP (1) JP2749624B2 (ja)
DE (1) DE69022519T2 (ja)
HK (1) HK172696A (ja)
WO (1) WO1990012340A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04258924A (ja) * 1991-02-13 1992-09-14 Canon Inc カイラルスメクチック液晶素子およびその製造方法
JPH05165061A (ja) * 1991-12-17 1993-06-29 Sony Corp 液晶表示装置
JP2877601B2 (ja) * 1992-01-10 1999-03-31 松下電器産業株式会社 液晶表示装置とその製造法
US5398127A (en) * 1992-03-03 1995-03-14 Matsushita Electric Industrial Co., Ltd. Active matrix twisted nematic liquid crystal display with rubbing direction 1-44 degrees to the electrodes
DE69433928T2 (de) * 1993-01-29 2005-07-21 Sharp K.K. Verfahren zur Herstellung einer Flüssigkristallanzeigevorrichtung
DE69429388T2 (de) * 1993-07-23 2002-08-14 Sharp Kk Flüssigkristall-Anzeigevorrichtung und Verfahren zu ihrer Herstellung
US5689322A (en) * 1993-07-30 1997-11-18 Sharp Kabushiki Kaisha Liquid crystal display device having regions with different twist angles
TW259845B (ja) * 1993-07-30 1995-10-11 Sharp Kk
JPH07294936A (ja) * 1994-04-25 1995-11-10 Casio Comput Co Ltd マトリックス型液晶表示装置
US6151090A (en) * 1995-05-31 2000-11-21 Casio Computer Co., Ltd. LCD using liquid crystal of ferroelectric and/or antiferroelectric phase having pretilt angle of 1 degree or less
US5786878A (en) * 1995-11-27 1998-07-28 Lg Electronics Inc. Method of manufacturing a liquid crystal display having randomly distributed bidirectional surface orientations
US5953091A (en) * 1998-04-09 1999-09-14 Ois Optical Imaging Systems, Inc. Multi-domain LCD and method of making same
KR100857719B1 (ko) * 2001-03-26 2008-09-08 엘지디스플레이 주식회사 액정표시장치 및 그 제조방법
KR101910599B1 (ko) * 2011-06-24 2018-10-23 삼성전자주식회사 광학 보상 필름 및 이를 포함하는 액정 표시 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756822A (en) * 1980-09-22 1982-04-05 Hitachi Ltd Liquid crystal panel
JPS60178425A (ja) * 1984-02-27 1985-09-12 Matsushita Electric Ind Co Ltd 液晶表示装置の製造方法
JPH0610704B2 (ja) * 1984-05-16 1994-02-09 セイコーエプソン株式会社 液晶表示装置
JPS61272719A (ja) * 1985-05-27 1986-12-03 Hosiden Electronics Co Ltd 強誘電性液晶セル及びその製造方法
JPS62116921A (ja) * 1985-11-15 1987-05-28 Sanyo Electric Co Ltd 液晶表示装置
US4796979A (en) * 1986-04-07 1989-01-10 Canon Kabushiki Kaisha Ferroelectric liquid crystal device having dual laminated alignment films
JPH0616139B2 (ja) * 1986-08-04 1994-03-02 キヤノン株式会社 液晶光変調器
JPS63293528A (ja) * 1987-05-26 1988-11-30 Toshiba Corp 液晶表示装置

Also Published As

Publication number Publication date
EP0418400A1 (en) 1991-03-27
JP2749624B2 (ja) 1998-05-13
JPH02266328A (ja) 1990-10-31
EP0418400A4 (en) 1991-09-11
US5198917A (en) 1993-03-30
DE69022519D1 (de) 1995-10-26
DE69022519T2 (de) 1996-02-01
WO1990012340A1 (en) 1990-10-18
EP0418400B1 (en) 1995-09-20

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)