JPS5774723A - Liquid-crystal display device - Google Patents

Liquid-crystal display device

Info

Publication number
JPS5774723A
JPS5774723A JP15066680A JP15066680A JPS5774723A JP S5774723 A JPS5774723 A JP S5774723A JP 15066680 A JP15066680 A JP 15066680A JP 15066680 A JP15066680 A JP 15066680A JP S5774723 A JPS5774723 A JP S5774723A
Authority
JP
Japan
Prior art keywords
liquid
plate
pattern
turn
crystal element
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.)
Pending
Application number
JP15066680A
Other languages
English (en)
Inventor
Toshihiko Tojo
Masaharu Kamiyama
Tadashi Ishibashi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15066680A priority Critical patent/JPS5774723A/ja
Publication of JPS5774723A publication Critical patent/JPS5774723A/ja
Pending 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (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)
JP15066680A 1980-10-29 1980-10-29 Liquid-crystal display device Pending JPS5774723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15066680A JPS5774723A (en) 1980-10-29 1980-10-29 Liquid-crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15066680A JPS5774723A (en) 1980-10-29 1980-10-29 Liquid-crystal display device

Publications (1)

Publication Number Publication Date
JPS5774723A true JPS5774723A (en) 1982-05-11

Family

ID=15501819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15066680A Pending JPS5774723A (en) 1980-10-29 1980-10-29 Liquid-crystal display device

Country Status (1)

Country Link
JP (1) JPS5774723A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070593A3 (en) * 1999-05-12 2001-05-17 Lim Choi Signboard using liquid crystal display panel
EP1128240A1 (fr) * 2000-02-22 2001-08-29 Asulab S.A. Ensemble d'affichage à inversion de constrate comprenant deux dispositifs d'affichage superposés

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5584914A (en) * 1978-12-22 1980-06-26 Casio Comput Co Ltd Liquid crystal display device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5584914A (en) * 1978-12-22 1980-06-26 Casio Comput Co Ltd Liquid crystal display device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070593A3 (en) * 1999-05-12 2001-05-17 Lim Choi Signboard using liquid crystal display panel
KR20010112141A (ko) * 1999-05-12 2001-12-20 림 최 액정패널을 이용한 광고장치
EP1128240A1 (fr) * 2000-02-22 2001-08-29 Asulab S.A. Ensemble d'affichage à inversion de constrate comprenant deux dispositifs d'affichage superposés
US6903784B1 (en) 2000-02-22 2005-06-07 Asulab S.A. Display assembly with contrast inversion including two superposed display devices

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