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GB2090036B - Liquid crystal display device - Google Patents

Liquid crystal display device

Info

Publication number
GB2090036B
GB2090036B GB8138483A GB8138483A GB2090036B GB 2090036 B GB2090036 B GB 2090036B GB 8138483 A GB8138483 A GB 8138483A GB 8138483 A GB8138483 A GB 8138483A GB 2090036 B GB2090036 B GB 2090036B
Authority
GB
United Kingdom
Prior art keywords
segment
liquid crystal
electrode
electrodes
display device
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
GB8138483A
Other versions
GB2090036A (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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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
Priority claimed from JP18151880A external-priority patent/JPS57104916A/en
Priority claimed from JP18889980A external-priority patent/JPS57109978A/en
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of GB2090036A publication Critical patent/GB2090036A/en
Application granted granted Critical
Publication of GB2090036B publication Critical patent/GB2090036B/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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134327—Segmented, e.g. alpha numeric display
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Electric Clocks (AREA)

Abstract

A liquid crystal display device has a pair of opposing substrates (1, 2) with liquid crystal material therebetween, having respectively segment electrodes (4, 11) and common electrodes (6, 7, 13). The common electrode (6) is formed over a segment electrode (4) on the substrate (1) and defines an effective area of the segment electrode. A display pattern is formed by applying between voltage to a combination of a segment electrode (4) and common electrode (6) on one substrate and a segment electrode (11) on the other. Common electrode (13) differs in voltage from electrodes (4) and (6) by less than threshold. Two different display modes are available by choice of substrate for the segment electrodes. Applications to a timepiece are discussed. <IMAGE>
GB8138483A 1980-12-22 1981-12-22 Liquid crystal display device Expired GB2090036B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18151880A JPS57104916A (en) 1980-12-22 1980-12-22 Liquid crystal display device and its production
JP18889980A JPS57109978A (en) 1980-12-26 1980-12-26 Liquid-crystal display device

Publications (2)

Publication Number Publication Date
GB2090036A GB2090036A (en) 1982-06-30
GB2090036B true GB2090036B (en) 1985-08-21

Family

ID=26500671

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8138483A Expired GB2090036B (en) 1980-12-22 1981-12-22 Liquid crystal display device

Country Status (3)

Country Link
CH (1) CH650637GA3 (en)
DE (1) DE3150854C2 (en)
GB (1) GB2090036B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547042A (en) * 1983-08-05 1985-10-15 At&T Information Systems Inc. Liquid crystal display with electrode shielding another electrode
GB2164777B (en) * 1984-09-19 1988-05-11 Telepanel Inc Improvements in or relating to alphanumeric display modules
US4603495A (en) * 1984-09-19 1986-08-05 Stevens John K Alphanumeric display modules
US4728175A (en) * 1986-10-09 1988-03-01 Ovonic Imaging Systems, Inc. Liquid crystal display having pixels with auxiliary capacitance
GB2250623B (en) * 1990-12-03 1994-06-15 Marconi Gec Ltd Display devices
GB9310190D0 (en) * 1993-05-18 1993-06-30 Negretti Aviat Ltd Display system
JPH07311392A (en) * 1994-03-24 1995-11-28 Sharp Corp Liquid crystal display device
KR100247818B1 (en) * 1995-09-26 2000-03-15 손욱 Liquid crystal display
KR100280889B1 (en) * 1998-06-30 2001-02-01 구본준, 론 위라하디락사 Pad part manufacturing method of liquid crystal display device and liquid crystal display device by the method
EP1433019A1 (en) * 2001-09-28 2004-06-30 Koninklijke Philips Electronics N.V. Apparatus having a flat display
JP2005010186A (en) * 2003-06-16 2005-01-13 Nanox Corp Liquid crystal display element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647280A (en) * 1969-11-06 1972-03-07 Rca Corp Liquid crystal display device
JPS5114360B1 (en) * 1970-12-23 1976-05-08
US3897996A (en) * 1972-09-30 1975-08-05 Dainippon Printing Co Ltd Electro-optic display device
CH613549A5 (en) * 1976-02-25 1979-09-28 Bbc Brown Boveri & Cie
US4277786A (en) * 1979-07-19 1981-07-07 General Electric Company Multi-electrode liquid crystal displays
CH632367B (en) * 1980-04-16 Asulab Sa PASSIVE ELECTRO-OPTICAL DISPLAY CELL.

Also Published As

Publication number Publication date
GB2090036A (en) 1982-06-30
DE3150854C2 (en) 1985-12-12
DE3150854A1 (en) 1982-12-23
CH650637GA3 (en) 1985-08-15

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Legal Events

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

Effective date: 19961222