ATE227438T1 - Flüssigkristallanzeige mit verbesserter blickwinkelcharakteristik - Google Patents

Flüssigkristallanzeige mit verbesserter blickwinkelcharakteristik

Info

Publication number
ATE227438T1
ATE227438T1 AT95105451T AT95105451T ATE227438T1 AT E227438 T1 ATE227438 T1 AT E227438T1 AT 95105451 T AT95105451 T AT 95105451T AT 95105451 T AT95105451 T AT 95105451T AT E227438 T1 ATE227438 T1 AT E227438T1
Authority
AT
Austria
Prior art keywords
liquid crystal
display
diffuser
panel
refracting
Prior art date
Application number
AT95105451T
Other languages
English (en)
Inventor
Adiel Abileah
Nicholas D Vergith
Original Assignee
Guardian Industries
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 Guardian Industries filed Critical Guardian Industries
Application granted granted Critical
Publication of ATE227438T1 publication Critical patent/ATE227438T1/de

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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements

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)
  • Liquid Crystal Substances (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
AT95105451T 1994-04-12 1995-04-12 Flüssigkristallanzeige mit verbesserter blickwinkelcharakteristik ATE227438T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/229,337 US5629784A (en) 1994-04-12 1994-04-12 Liquid crystal display with holographic diffuser and prism sheet on viewer side

Publications (1)

Publication Number Publication Date
ATE227438T1 true ATE227438T1 (de) 2002-11-15

Family

ID=22860776

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95105451T ATE227438T1 (de) 1994-04-12 1995-04-12 Flüssigkristallanzeige mit verbesserter blickwinkelcharakteristik

Country Status (5)

Country Link
US (1) US5629784A (de)
EP (1) EP0677768B1 (de)
AT (1) ATE227438T1 (de)
CA (1) CA2146902C (de)
DE (1) DE69528719T2 (de)

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US5280371A (en) * 1992-07-09 1994-01-18 Honeywell Inc. Directional diffuser for a liquid crystal display
JPH0667178A (ja) * 1992-08-25 1994-03-11 Mitsubishi Rayon Co Ltd 液晶表示装置
JP3006306B2 (ja) * 1992-09-16 2000-02-07 インターナショナル・ビジネス・マシーンズ・コーポレイション 光学的フイルム及び上記光学的フイルムを用いた液晶表示装置
US5442467A (en) * 1994-03-21 1995-08-15 Xerox Corporation Enhanced off-axis viewing performance and luminous efficiency of a liquid crystal display employing fiberoptic faceplate elements

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EP0677768A1 (de) 1995-10-18
EP0677768B1 (de) 2002-11-06
DE69528719D1 (de) 2002-12-12
CA2146902C (en) 2005-06-14
US5629784A (en) 1997-05-13
CA2146902A1 (en) 1995-10-13
DE69528719T2 (de) 2003-09-11

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