JPS5688112A - Liquid crystal display device - Google Patents

Liquid crystal display device

Info

Publication number
JPS5688112A
JPS5688112A JP16666079A JP16666079A JPS5688112A JP S5688112 A JPS5688112 A JP S5688112A JP 16666079 A JP16666079 A JP 16666079A JP 16666079 A JP16666079 A JP 16666079A JP S5688112 A JPS5688112 A JP S5688112A
Authority
JP
Japan
Prior art keywords
layers
liquid crystal
orientation
directions
substrates
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
JP16666079A
Other languages
Japanese (ja)
Inventor
Fumiaki Funada
Yutaka Ishii
Masataka Matsuura
Tomio Wada
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
Priority to JP16666079A priority Critical patent/JPS5688112A/en
Priority to DE19803048024 priority patent/DE3048024C2/en
Priority to GB8040817A priority patent/GB2066498B/en
Publication of JPS5688112A publication Critical patent/JPS5688112A/en
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
    • 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)

Abstract

PURPOSE: To mutually align the visual angle ranges that give contrast and make display easy to see by constituting the twisting directions and spiral pitches of liquid crystal molecules in a specific relation between two layers in a multilayered twisted nematic (TN) liquid crystal device.
CONSTITUTION: Transparent electrodes 3a, 3b, 3c, 3d, and orientation layers 5a, 5b, 5c, 5d are formed on trasparent substrates 1a, 1b, 1c, and TN liquid crystal layers 2a, 2b are sealed 6a, 6b. Polarizing plates 7a, 7b and a reflection plate 8 are provided on the outer side of the substrates 1a, 1c. The orientation directions r2 2 and r1 2 of the orientation films 5a, 5b are made mutually orthogonal and counterclockwise, and the orientation directions r2 1, r1 1 of the orientation layers 5c, 5d are made mutually orthogonal and clockwise; in addition, the direction r2 1 of the orientation layer 5b are made to differ 180° in direction. Additionally, the absolute values of the intrinsic spiral pitches of the liquid crystal layers 2a, 2b are made approximately equal. In this way, the interference colors of the layers 2a, 2b are made inconspicuous, whereby the contrast is improved and the visual angle ranges are aligned.
COPYRIGHT: (C)1981,JPO&Japio
JP16666079A 1979-12-20 1979-12-20 Liquid crystal display device Pending JPS5688112A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16666079A JPS5688112A (en) 1979-12-20 1979-12-20 Liquid crystal display device
DE19803048024 DE3048024C2 (en) 1979-12-20 1980-12-19 "Liquid crystal display device with twisted nematic liquid crystal filling"
GB8040817A GB2066498B (en) 1979-12-20 1980-12-19 Multi-layered twisted nematic liquid crystal display panel

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 (1)

Publication Number Publication Date
JPS5688112A true JPS5688112A (en) 1981-07-17

Family

ID=15835368

Family Applications (1)

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

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920364A (en) * 1989-05-10 1990-04-24 Xerox Corporation Liquid crystal dynamic attenuator for laser printers
JPH02116829A (en) * 1988-10-27 1990-05-01 Sharp Corp Liquid crystal display device

Families Citing this family (10)

* 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
US4952036A (en) * 1989-06-07 1990-08-28 In Focus Systems, Inc. High resolution LCD display system
US5113272A (en) * 1990-02-12 1992-05-12 Raychem Corporation Three dimensional semiconductor display using liquid crystal
EP0682782B1 (en) * 1993-02-03 2001-12-12 PREHN, Horst 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02116829A (en) * 1988-10-27 1990-05-01 Sharp Corp Liquid crystal display device
US4920364A (en) * 1989-05-10 1990-04-24 Xerox Corporation Liquid crystal dynamic attenuator for laser printers

Also Published As

Publication number Publication date
DE3048024C2 (en) 1987-07-09
DE3048024A1 (en) 1981-10-08
GB2066498A (en) 1981-07-08
GB2066498B (en) 1983-07-13

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