CA1056936A - Long life high contrast liquid crystal display - Google Patents

Long life high contrast liquid crystal display

Info

Publication number
CA1056936A
CA1056936A CA241,003A CA241003A CA1056936A CA 1056936 A CA1056936 A CA 1056936A CA 241003 A CA241003 A CA 241003A CA 1056936 A CA1056936 A CA 1056936A
Authority
CA
Canada
Prior art keywords
liquid crystal
electrodes
transparent
substrates
score marks
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA241,003A
Other languages
English (en)
French (fr)
Inventor
Akira Yasutake
Richard K. Oshiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Application granted granted Critical
Publication of CA1056936A publication Critical patent/CA1056936A/en
Expired legal-status Critical Current

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
    • G02F1/13378—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
    • G02F1/133784—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 rubbing

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CA241,003A 1974-12-04 1975-12-03 Long life high contrast liquid crystal display Expired CA1056936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52934774A 1974-12-04 1974-12-04

Publications (1)

Publication Number Publication Date
CA1056936A true CA1056936A (en) 1979-06-19

Family

ID=24109540

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,003A Expired CA1056936A (en) 1974-12-04 1975-12-03 Long life high contrast liquid crystal display

Country Status (7)

Country Link
JP (1) JPS5182648A (nl)
CA (1) CA1056936A (nl)
CH (1) CH609467A5 (nl)
DE (1) DE2554417A1 (nl)
FR (1) FR2293761A1 (nl)
GB (1) GB1540838A (nl)
NL (1) NL7514148A (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052779B (en) * 1979-05-29 1983-06-22 Texas Instruments Inc Liquid crystal display cell
JP5302183B2 (ja) 2007-03-08 2013-10-02 日本特殊陶業株式会社 グロープラグ及びその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526097B2 (nl) * 1972-03-14 1977-02-18
DE2256317B2 (de) * 1972-11-16 1977-05-26 Ausscheidung in: 22 65 253 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erzeugung einer homogenen orientierung von fluessigkristallmolekuelen in einer fluessigkristallanordnung
JPS4975354A (nl) * 1972-11-22 1974-07-20
DE2330909B2 (de) * 1973-06-18 1977-04-07 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erzeugung einer schicht zur homoeotropen orientierung von fluessigkristallen
JPS5148993A (ja) * 1974-10-24 1976-04-27 Seikosha Kk Denkikogakutekihyojisochi

Also Published As

Publication number Publication date
JPS5182648A (ja) 1976-07-20
DE2554417A1 (de) 1976-06-10
NL7514148A (nl) 1976-06-09
FR2293761B1 (nl) 1979-10-12
FR2293761A1 (fr) 1976-07-02
CH609467A5 (en) 1979-02-28
GB1540838A (en) 1979-02-14

Similar Documents

Publication Publication Date Title
US4932758A (en) Ferroelectric smectic liquid crystal device having a bistable alignment state providing two stable orientation states
US4674839A (en) Ferroelectric liquid crystal apparatus having protective cover means
US5381256A (en) Ferroelectric liquid crystal device with fine particles on insulator, having diameter less than substrate gap
EP0203569B1 (en) Ferroelectric liquid crystal cell and its manufacturing method
JPS6333123B2 (nl)
US3912366A (en) Liquid crystal display assembly having polyimide layers
US5200848A (en) Ferroelectric smectic liquid crystal device
EP0277567B1 (en) Liquid crystal element
CA1118086A (en) Gasket for liquid crystal light shutter displays
US3885860A (en) Fabrication of liquid crystal devices
US3967882A (en) Liquid crystal display device having extended service life
US5109293A (en) Method of manufacturing ferroelectric liquid crystal display element
EP0219965B1 (en) A ferroelectric liquid crystal electro-optical device
GB2278204A (en) Liquid crystal display
US4456638A (en) Polymer packaging material for liquid crystal cell
US3853391A (en) Fabrication of liquid crystal devices
US3894793A (en) Liquid crystal imaging system using tributyltin oxide or tributyltin chloride
CA1056936A (en) Long life high contrast liquid crystal display
Sugimura et al. Transient current dependent on nematic director orientation
US4718751A (en) Optical panel and method of fabrication
US4207671A (en) Method of manufacture of a passive electro-optic display cell having an helicoidal nematic liquid crystal and passive electro-optic display cell obtained by carrying out this method
JPS6057572B2 (ja) 液晶表示体
KR101700922B1 (ko) Ｄｈｆlｃ 물질에 기초한 광 메모리 장치 및 그 제조 방법
JPS623929B2 (nl)
KR830000607B1 (ko) 액정표시 소자