JPS51119243A - Liquid crystal indication device - Google Patents

Liquid crystal indication device

Info

Publication number
JPS51119243A
JPS51119243A JP50044091A JP4409175A JPS51119243A JP S51119243 A JPS51119243 A JP S51119243A JP 50044091 A JP50044091 A JP 50044091A JP 4409175 A JP4409175 A JP 4409175A JP S51119243 A JPS51119243 A JP S51119243A
Authority
JP
Japan
Prior art keywords
liquid crystal
indication device
crystal indication
luminescence
electro
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
JP50044091A
Other languages
Japanese (ja)
Inventor
Hiroko Maekawa
Hiromi Arai
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP50044091A priority Critical patent/JPS51119243A/en
Publication of JPS51119243A publication Critical patent/JPS51119243A/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight

Landscapes

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

Abstract

PURPOSE:Liquid crystal indication element employing plane luminescent element such as EL (electro-luminescence), plasma, LED for light source.
JP50044091A 1975-04-11 1975-04-11 Liquid crystal indication device Pending JPS51119243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50044091A JPS51119243A (en) 1975-04-11 1975-04-11 Liquid crystal indication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50044091A JPS51119243A (en) 1975-04-11 1975-04-11 Liquid crystal indication device

Publications (1)

Publication Number Publication Date
JPS51119243A true JPS51119243A (en) 1976-10-19

Family

ID=12681939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50044091A Pending JPS51119243A (en) 1975-04-11 1975-04-11 Liquid crystal indication device

Country Status (1)

Country Link
JP (1) JPS51119243A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735983U (en) * 1980-08-06 1982-02-25
WO1997043686A1 (en) * 1996-05-10 1997-11-20 Seiko Epson Corporation Projection liquid crystal display
WO1999016040A1 (en) * 1997-09-22 1999-04-01 Sony Corporation Image display
US6607277B2 (en) 1996-09-24 2003-08-19 Seiko Epson Corporation Projector display comprising light source units
US7205964B1 (en) 1998-09-02 2007-04-17 Seiko Epson Corporation Light source and display device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735983U (en) * 1980-08-06 1982-02-25
WO1997043686A1 (en) * 1996-05-10 1997-11-20 Seiko Epson Corporation Projection liquid crystal display
US6507379B1 (en) 1996-05-10 2003-01-14 Seiko Epson Corporation Liquid crystal projection device having a liquid crystal display element that includes an electroluminescent element
US6671014B2 (en) 1996-05-10 2003-12-30 Seiko Epson Corporation Liquid projection device having a liquid crystal display element that includes an electroluminescent element
US6900858B2 (en) 1996-05-10 2005-05-31 Seiko Epson Corporation Liquid crystal projection device having a liquid crystal display element that includes an electroluminescent element
US6607277B2 (en) 1996-09-24 2003-08-19 Seiko Epson Corporation Projector display comprising light source units
US6805448B2 (en) 1996-09-24 2004-10-19 Seiko Epson Corporation Projector display comprising light source units
WO1999016040A1 (en) * 1997-09-22 1999-04-01 Sony Corporation Image display
US6220714B1 (en) 1997-09-22 2001-04-24 Sony Corporation Image display apparatus
US7205964B1 (en) 1998-09-02 2007-04-17 Seiko Epson Corporation Light source and display device

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