GB1540838A - Long life high contrast liquid crystal display - Google Patents

Long life high contrast liquid crystal display

Info

Publication number
GB1540838A
GB1540838A GB4966275A GB4966275A GB1540838A GB 1540838 A GB1540838 A GB 1540838A GB 4966275 A GB4966275 A GB 4966275A GB 4966275 A GB4966275 A GB 4966275A GB 1540838 A GB1540838 A GB 1540838A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal display
long life
high contrast
contrast liquid
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
GB4966275A
Other languages
English (en)
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
Publication of GB1540838A publication Critical patent/GB1540838A/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)
GB4966275A 1974-12-04 1975-12-03 Long life high contrast liquid crystal display Expired GB1540838A (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
GB1540838A true GB1540838A (en) 1979-02-14

Family

ID=24109540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4966275A Expired GB1540838A (en) 1974-12-04 1975-12-03 Long life high contrast liquid crystal display

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119110A (en) * 1979-05-29 1983-11-09 Texas Instruments Inc Liquid crystal display cell

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008108161A1 (fr) 2007-03-08 2008-09-12 Ngk Spark Plug Co., Ltd. Bougie de préchauffage et son procédé de fabrication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526097B2 (fr) * 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 (fr) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119110A (en) * 1979-05-29 1983-11-09 Texas Instruments Inc Liquid crystal display cell

Also Published As

Publication number Publication date
JPS5182648A (ja) 1976-07-20
CH609467A5 (en) 1979-02-28
FR2293761A1 (fr) 1976-07-02
NL7514148A (nl) 1976-06-09
DE2554417A1 (de) 1976-06-10
CA1056936A (fr) 1979-06-19
FR2293761B1 (fr) 1979-10-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee