DE68923768T2 - Flüssigkristall-Anzeigevorrichtung mit verbesserten Winkelblick-Eigenschaften. - Google Patents

Flüssigkristall-Anzeigevorrichtung mit verbesserten Winkelblick-Eigenschaften.

Info

Publication number: DE68923768T2
Authority: DE; Germany
Prior art keywords: liquid crystal; display device; crystal display; improved angular; vision properties
Prior art date: 1988-12-07
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 - Fee Related

Application number

DE68923768T

Other languages

English (en)

Other versions

DE68923768D1 (de

Inventor

Shyuichi Kozaki

Hiroshi Ohnishi

Toshiyuki Yoshimizu

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.)

1988-12-07

Filing date

1989-12-07

Publication date

1996-02-22

1989-12-07 Application filed by Sharp Corp filed Critical Sharp Corp

1995-09-14 Publication of DE68923768D1 publication Critical patent/DE68923768D1/de

1996-02-22 Application granted granted Critical

1996-02-22 Publication of DE68923768T2 publication Critical patent/DE68923768T2/de

2009-12-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- 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
- G02F1/133—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
- 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
- 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
- G02F1/1397—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 the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells

DE68923768T 1988-12-07 1989-12-07 Flüssigkristall-Anzeigevorrichtung mit verbesserten Winkelblick-Eigenschaften. Expired - Fee Related DE68923768T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP31089388		1988-12-07
JP1267235A JP2675158B2 (ja)	1988-12-07	1989-10-13	液晶表示装置

Publications (2)

Publication Number	Publication Date
DE68923768D1 DE68923768D1 (de)	1995-09-14
DE68923768T2 true DE68923768T2 (de)	1996-02-22

Family

ID=26547775

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68923768T Expired - Fee Related DE68923768T2 (de)	1988-12-07	1989-12-07	Flüssigkristall-Anzeigevorrichtung mit verbesserten Winkelblick-Eigenschaften.

Country Status (5)

Country	Link
US (1)	US5124824A (de)
EP (1)	EP0372973B1 (de)
JP (1)	JP2675158B2 (de)
KR (1)	KR940009075B1 (de)
DE (1)	DE68923768T2 (de)

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US5126866A (en) *	1989-08-11	1992-06-30	Sharp Kabushiki Kaisha	Liquid crystal display with a plurality of phase difference plates the slow axes of which form an angle of 20 to 40 degrees
US5175638A (en) *	1989-09-12	1992-12-29	Ricoh Company, Ltd.	ECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directions
DE69016349T2 (de) *	1989-10-27	1995-06-29	Fuji Photo Film Co Ltd	Flüssigkristallanzeige.
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US5570214A (en) *	1993-12-15	1996-10-29	Ois Optical Imaging Systems, Inc.	Normally white twisted nematic LCD with retardation films on opposite sides of liquid crystal material for improved viewing zone
US5576861A (en)	1993-12-15	1996-11-19	Ois Optical Imaging Systems, Inc.	Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region
US5594568A (en) *	1993-12-15	1997-01-14	Ois Optical Imaging Systems, Inc.	LCD with a pair of retardation films on one side of normally white liquid crystal layer
US5657140A (en) *	1993-12-15	1997-08-12	Ois Optical Imaging Systems, Inc.	Normally white twisted nematic LCD with positive and negative retarders
US5724112A (en) *	1994-03-28	1998-03-03	Casio Computer Co., Ltd.	Color liquid crystal apparatus
US5504603A (en) *	1994-04-04	1996-04-02	Rockwell International Corporation	Optical compensator for improved gray scale performance in liquid crystal display
US5986734A (en)	1994-04-04	1999-11-16	Rockwell International Corporation	Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays
US5619352A (en) *	1994-04-04	1997-04-08	Rockwell International Corporation	LCD splay/twist compensator having varying tilt and /or azimuthal angles for improved gray scale performance
US5680184A (en) *	1994-04-12	1997-10-21	Casio Computer Co., Ltd.	Color liquid crystal display device
US5638200A (en) *	1995-02-03	1997-06-10	Ois Optical Imaging Systems, Inc.	Liquid crystal display with tilted retardation film
US5610743A (en) *	1995-10-30	1997-03-11	United Microelectronics Corporation	Liquid crystal display including concentric shapes and radial spokes which has an improved viewing angle
US5870159A (en) *	1995-10-30	1999-02-09	Kaj	Switchable achromatic polarization rotator
JPH09292611A (ja)	1996-04-30	1997-11-11	Nec Corp	液晶表示装置
JP3032424U (ja) *	1996-06-14	1996-12-24	セイコー電子工業株式会社	液晶表示装置およびその液晶表示装置を備えた携帯機器
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JP3452755B2 (ja) *	1997-04-07	2003-09-29	シャープ株式会社	液晶表示装置
US5948487A (en) *	1997-09-05	1999-09-07	3M Innovative Properties Company	Anisotropic retardation layers for display devices
JP2000310774A (ja) *	1999-04-28	2000-11-07	Asahi Glass Co Ltd	カラー液晶表示装置
JP2001042127A (ja) *	1999-08-04	2001-02-16	Nitto Denko Corp	複合位相差板、光学補償偏光板及び液晶表示装置
US6574044B1 (en) *	1999-10-25	2003-06-03	3M Innovative Properties Company	Polarizer constructions and display devices exhibiting unique color effects
US6538714B1 (en) *	1999-10-25	2003-03-25	3M Innovative Properties Company	Dual color guest-host polarizers and devices containing guest-host polarizers
DE60042318D1 (de)	1999-11-02	2009-07-16	Seiko Epson Corp	Reflektierende lcd, halbdurchlässige reflektierende lcd und elektronische vorrichtung
US7498739B1 (en) *	2004-09-30	2009-03-03	Rockwell Collins, Inc.	Polarized light source using an organic liquid crystal
US20070248771A1 (en) *	2006-04-21	2007-10-25	Nitto Denko Corporation	Acenaphtho[1,2-b]quinoxaline sulfo-and carboxy-derivative, lyotropic liquid crystal system, optically anisotropic film and method thereof and laminated optical film
US8836879B2 (en) *	2010-06-10	2014-09-16	Apple Inc.	Displays with minimized curtain mura
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KR20150042607A (ko) *	2013-10-11	2015-04-21	삼성디스플레이 주식회사	액정 표시 장치
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JPH0273327A (ja) *	1988-09-09	1990-03-13	Ricoh Co Ltd	液晶表示素子
JP3071204B2 (ja) *	1989-02-10	2000-07-31	株式会社リコー	液晶表示素子
JP2775827B2 (ja) *	1989-04-06	1998-07-16	旭硝子株式会社	液晶表示素子
JP2915430B2 (ja) *	1989-04-27	1999-07-05	旭硝子株式会社	液晶表示素子

1989
- 1989-10-13 JP JP1267235A patent/JP2675158B2/ja not_active Expired - Fee Related
- 1989-12-05 US US07/446,305 patent/US5124824A/en not_active Expired - Lifetime
- 1989-12-06 KR KR1019890018047A patent/KR940009075B1/ko not_active IP Right Cessation
- 1989-12-07 EP EP89312788A patent/EP0372973B1/de not_active Expired - Lifetime
- 1989-12-07 DE DE68923768T patent/DE68923768T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR910012768A (ko)	1991-08-08
KR940009075B1 (ko)	1994-09-29
DE68923768D1 (de)	1995-09-14
EP0372973A3 (de)	1991-03-06
EP0372973B1 (de)	1995-08-09
EP0372973A2 (de)	1990-06-13
US5124824A (en)	1992-06-23
JPH02256021A (ja)	1990-10-16
JP2675158B2 (ja)	1997-11-12

Legal Events

Date	Code	Title	Description
1996-09-05	8364	No opposition during term of opposition
1997-03-20	8328	Change in the person/name/address of the agent	Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN
2003-10-09	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE68923768D1 (de)	1995-09-14	Flüssigkristall-Anzeigevorrichtung mit verbesserten Winkelblick-Eigenschaften.
DE68921591D1 (de)	1995-04-13	Flüssigkristall-Anzeigevorrichtung.
DE68915325D1 (de)	1994-06-23	Flüssigkristallanzeigevorrichtung.
DE68906608D1 (de)	1993-06-24	Fluessigkristall-anzeigevorrichtung.
DE68914860T2 (de)	1994-10-13	Flüssigkristall-Anzeigevorrichtung.
DE68924212T2 (de)	1996-04-18	Flüssigkristall-Anzeigevorrichtung.
DE68915947T2 (de)	1994-09-22	Flüssigkristall-Anzeigevorrichtung.
DE69008875T2 (de)	1994-09-01	Elektrooptische Flüssigkristall-Anzeigevorrichtung.
DE68924823T2 (de)	1996-05-02	Flüssigkristall-Anzeigevorrichtung.
DE68924766T2 (de)	1996-06-20	Flüssigkristall-Anzeigevorrichtung.
DE68917704T2 (de)	1995-04-06	Flüssigkristall-Anzeigevorrichtung.
DE68922322D1 (de)	1995-06-01	Flüssigkristall-Anzeigevorrichtung.
DE3886198T2 (de)	1994-04-14	Flüssigkristall-Anzeigevorrichtung.
DE68920498T2 (de)	1995-05-18	Flüssigkristall-Anzeigevorrichtung.
DE69108990D1 (de)	1995-05-24	Flüssigkristallwiedergabeanordung mit rotationssysmmetrischen Isokontrastkurven.
DE68924726D1 (de)	1995-12-14	Flüssigkristall-Anzeigevorrichtung.
DE68919926T2 (de)	1995-05-04	Flüssigkristall-Anzeigevorrichtung.
DE68915524D1 (de)	1994-06-30	Flüssigkristallanzeigevorrichtung.
DE68923327D1 (de)	1995-08-10	Flüssigkristallanzeigegerät.
DE68915414T2 (de)	1994-11-24	Flüssigkristall-Anzeigevorrichtung.
DE68918807D1 (de)	1994-11-17	Flüssigkristallanzeigevorrichtung.
DE68914788T2 (de)	1994-10-20	Farbige Flüssigkristallanzeigevorrichtung.
DE68917112T2 (de)	1995-03-23	Flüssigkristall-Anzeigevorrichtung.
DE69023072T2 (de)	1996-05-30	Temperaturabhängige Anzeigeeinrichtung mit Flüssigkristallen.
DE68920001T2 (de)	1995-06-22	Flüssigkristall-Anzeigevorrichtung.