DE69215332D1 - Kompensator für Flüssigkristallanzeige - Google Patents

Kompensator für Flüssigkristallanzeige

Info

Publication number
DE69215332D1
DE69215332D1 DE69215332T DE69215332T DE69215332D1 DE 69215332 D1 DE69215332 D1 DE 69215332D1 DE 69215332 T DE69215332 T DE 69215332T DE 69215332 T DE69215332 T DE 69215332T DE 69215332 D1 DE69215332 D1 DE 69215332D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
compensator
display compensator
liquid
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 - Lifetime
Application number
DE69215332T
Other languages
English (en)
Other versions
DE69215332T2 (de
Inventor
Pochi A Yeh
John P Eblen
William J Gunning
Mohsen Khoshnevisan
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.)
Boeing North American Inc
Original Assignee
Rockwell International 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 Rockwell International Corp filed Critical Rockwell International Corp
Application granted granted Critical
Publication of DE69215332D1 publication Critical patent/DE69215332D1/de
Publication of DE69215332T2 publication Critical patent/DE69215332T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02F2413/01—Number of plates being 1
    • 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
    • G02F2413/13—Positive birefingence
DE69215332T 1991-11-01 1992-10-20 Kompensator für Flüssigkristallanzeige Expired - Lifetime DE69215332T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/786,621 US5196953A (en) 1991-11-01 1991-11-01 Compensator for liquid crystal display, having two types of layers with different refractive indices alternating

Publications (2)

Publication Number Publication Date
DE69215332D1 true DE69215332D1 (de) 1997-01-02
DE69215332T2 DE69215332T2 (de) 1997-03-20

Family

ID=25139126

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215332T Expired - Lifetime DE69215332T2 (de) 1991-11-01 1992-10-20 Kompensator für Flüssigkristallanzeige

Country Status (5)

Country Link
US (1) US5196953A (de)
EP (1) EP0539847B1 (de)
JP (1) JP3162210B2 (de)
DE (1) DE69215332T2 (de)
TW (1) TW287243B (de)

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JPH03263013A (ja) * 1990-03-14 1991-11-22 Fujitsu Ltd 液晶パネル

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DE69215332T2 (de) 1997-03-20
EP0539847A1 (de) 1993-05-05
JP3162210B2 (ja) 2001-04-25
EP0539847B1 (de) 1996-11-20
TW287243B (de) 1996-10-01
JPH05249457A (ja) 1993-09-28
US5196953A (en) 1993-03-23

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