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GB2066498B - Multi-layered twisted nematic liquid crystal display panel - Google Patents

Multi-layered twisted nematic liquid crystal display panel

Info

Publication number
GB2066498B
GB2066498B GB8040817A GB8040817A GB2066498B GB 2066498 B GB2066498 B GB 2066498B GB 8040817 A GB8040817 A GB 8040817A GB 8040817 A GB8040817 A GB 8040817A GB 2066498 B GB2066498 B GB 2066498B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal display
display panel
nematic liquid
twisted nematic
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
GB8040817A
Other versions
GB2066498A (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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of GB2066498A publication Critical patent/GB2066498A/en
Application granted granted Critical
Publication of GB2066498B publication Critical patent/GB2066498B/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
    • G02F1/1347—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
    • G02F1/13471—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 in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell

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)
GB8040817A 1979-12-20 1980-12-19 Multi-layered twisted nematic liquid crystal display panel Expired GB2066498B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16666079A JPS5688112A (en) 1979-12-20 1979-12-20 Liquid crystal display device

Publications (2)

Publication Number Publication Date
GB2066498A GB2066498A (en) 1981-07-08
GB2066498B true GB2066498B (en) 1983-07-13

Family

ID=15835368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8040817A Expired GB2066498B (en) 1979-12-20 1980-12-19 Multi-layered twisted nematic liquid crystal display panel

Country Status (3)

Country Link
JP (1) JPS5688112A (en)
DE (1) DE3048024C2 (en)
GB (1) GB2066498B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130715A (en) * 1980-03-17 1981-10-13 Sharp Corp Multilayered liquid-crystal display device
US4443065A (en) * 1980-12-09 1984-04-17 Sharp Kabushiki Kaisha Interference color compensation double layered twisted nematic display
DE3204426A1 (en) * 1982-02-09 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Device for producing characters on a light-sensitive recording carrier
DE3310427A1 (en) * 1983-03-23 1984-09-27 Borg Instruments GmbH, 7537 Remchingen Method for optimising the contrast of field-effect liquid crystal cells
IT1196057B (en) * 1983-03-23 1988-11-10 Borg Instr Gmbh POLYCHROME LIQUID CRYSTAL INDICATOR DEVICE AND PROCEDURE TO OPTIMIZE THE CONTRAST OF LIQUID CRYSTAL CELLS WITH FIELD EFFECT
DE3438756C2 (en) * 1984-10-23 1987-03-12 Borg Instruments GmbH, 7537 Remchingen Double rotary cell display device
DE3721751A1 (en) * 1987-07-01 1989-01-12 Eps Elektronik Optoelectronic filter preferably for video cameras
JPH087348B2 (en) * 1988-10-27 1996-01-29 シャープ株式会社 Liquid crystal display
US4952036A (en) * 1989-06-07 1990-08-28 In Focus Systems, Inc. High resolution LCD display system
US4920364A (en) * 1989-05-10 1990-04-24 Xerox Corporation Liquid crystal dynamic attenuator for laser printers
US5113272A (en) * 1990-02-12 1992-05-12 Raychem Corporation Three dimensional semiconductor display using liquid crystal
WO1994018598A1 (en) * 1993-02-03 1994-08-18 Horst Prehn Image modulation process and device for generating optical effects

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542580B2 (en) * 1974-07-01 1979-02-09
JPS52148150A (en) * 1976-06-04 1977-12-09 Hitachi Ltd Liquid crystal display unit
JPS5922924B2 (en) * 1976-11-19 1984-05-30 セイコーエプソン株式会社 liquid crystal display device
US4231640A (en) * 1977-07-07 1980-11-04 Sharp Kabushiki Kaisha Matrix type liquid crystal display panel
US4375317A (en) * 1978-11-16 1983-03-01 Sharp Kabushiki Kaisha Multi-layered liquid crystal display panel

Also Published As

Publication number Publication date
JPS5688112A (en) 1981-07-17
DE3048024C2 (en) 1987-07-09
DE3048024A1 (en) 1981-10-08
GB2066498A (en) 1981-07-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20001218