GB2028527B - Liquid crystal displays - Google Patents

Liquid crystal displays

Info

Publication number
GB2028527B
GB2028527B GB7919824A GB7919824A GB2028527B GB 2028527 B GB2028527 B GB 2028527B GB 7919824 A GB7919824 A GB 7919824A GB 7919824 A GB7919824 A GB 7919824A GB 2028527 B GB2028527 B GB 2028527B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal displays
displays
liquid
crystal
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
GB7919824A
Other versions
GB2028527A (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.)
AMERICAN LIQUID XTAL CHEM
Original Assignee
AMERICAN LIQUID XTAL CHEM
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 AMERICAN LIQUID XTAL CHEM filed Critical AMERICAN LIQUID XTAL CHEM
Publication of GB2028527A publication Critical patent/GB2028527A/en
Application granted granted Critical
Publication of GB2028527B publication Critical patent/GB2028527B/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02—Number of plates being 2

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)
GB7919824A 1978-06-08 1979-06-07 Liquid crystal displays Expired GB2028527B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91361878A 1978-06-08 1978-06-08

Publications (2)

Publication Number Publication Date
GB2028527A GB2028527A (en) 1980-03-05
GB2028527B true GB2028527B (en) 1982-11-24

Family

ID=25433445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7919824A Expired GB2028527B (en) 1978-06-08 1979-06-07 Liquid crystal displays

Country Status (2)

Country Link
JP (2) JPS55600A (en)
GB (1) GB2028527B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466702A (en) * 1981-04-01 1984-08-21 Hughes Aircraft Company Liquid crystal light valve with birefringence compensation
DE3314632A1 (en) * 1983-04-22 1984-10-25 Robert Bosch Gmbh, 7000 Stuttgart ARRANGEMENT FOR REDUCING THE REMAINING TRANSMISSION OF LCD DISPLAYS
US4582396A (en) * 1983-05-09 1986-04-15 Tektronix, Inc. Field sequential color display system using optical retardation
FR2564605B1 (en) * 1984-05-18 1987-12-24 Commissariat Energie Atomique LIQUID CRYSTAL CELL CAPABLE OF PRESENTING A HOMEOTROPIC STRUCTURE, WITH BIREFRINGENCE COMPENSATED FOR THIS STRUCTURE
FR2595156B1 (en) * 1986-02-28 1988-04-29 Commissariat Energie Atomique LIQUID CRYSTAL CELL USING ELECTRICALLY CONTROLLED BIREFRINGENCE EFFECT AND METHODS OF MANUFACTURING THE CELL AND A UNIAXIC NEGATIVE ANISOTROPY ANISOTROPY MEDIUM FOR USE THEREIN
US4767190A (en) * 1986-12-04 1988-08-30 Xerox Corporation Transient state liquid crystal image bar with contrast enhancement
EP0311339B1 (en) * 1987-10-07 1995-09-20 Matsushita Electric Industrial Co., Ltd. Liquid crystal display
EP0393191B1 (en) * 1988-01-28 1995-12-20 Sanyo Electric Co., Ltd. Liquid crystal display
JPH024212A (en) * 1988-06-23 1990-01-09 Stanley Electric Co Ltd Liquid crystal shutter element
JPH0769538B2 (en) * 1988-07-04 1995-07-31 スタンレー電気株式会社 Compensated twisted nematic liquid crystal display
JPH0769537B2 (en) * 1988-07-04 1995-07-31 スタンレー電気株式会社 Anisotropic compensation twisted nematic liquid crystal display
US4995704A (en) * 1988-07-08 1991-02-26 Kabushiki Kaisha Toshiba Liquid crystal display device
JP2856401B2 (en) * 1988-07-08 1999-02-10 株式会社東芝 Liquid crystal display device
JP2532620B2 (en) * 1988-11-04 1996-09-11 松下電器産業株式会社 Electro-optical element
EP0367616A3 (en) * 1988-11-04 1991-04-24 Matsushita Electric Industrial Co., Ltd. Optical liquid crystal element
KR920002626Y1 (en) * 1988-12-24 1992-04-27 삼성전관 주식회사 Color lcd
CA2009319C (en) * 1989-02-06 1994-11-01 Hiroshi Ohnishi Liquid crystal display device
JP2624116B2 (en) * 1993-04-22 1997-06-25 松下電器産業株式会社 Liquid crystal display device and projection display device using the same
JPH10123503A (en) * 1996-10-17 1998-05-15 Sharp Corp Liquid crystal display device
JP3452742B2 (en) * 1996-12-24 2003-09-29 シャープ株式会社 Liquid crystal display
TW515925B (en) 1996-12-25 2003-01-01 Sharp Kk Liquid crystal display device
US6226061B1 (en) 1997-03-25 2001-05-01 Sharp Kabushiki Kaisha Liquid crystal display device having phase different plates
JP3452755B2 (en) 1997-04-07 2003-09-29 シャープ株式会社 Liquid crystal display
JP3399795B2 (en) 1997-08-28 2003-04-21 シャープ株式会社 Liquid crystal display
JP3399796B2 (en) * 1997-08-29 2003-04-21 シャープ株式会社 Liquid crystal display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH532261A (en) * 1970-12-04 1972-12-31 Hoffmann La Roche Light control cell
FR2180448B2 (en) * 1972-04-17 1974-12-20 Thomson Csf
JPS50141344A (en) * 1973-10-23 1975-11-13

Also Published As

Publication number Publication date
JPS55600A (en) 1980-01-05
GB2028527A (en) 1980-03-05
JPH041888B2 (en) 1992-01-14
JPH04218029A (en) 1992-08-07

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Legal Events

Date Code Title Description
PG Patent granted