FR2778000B1 - Dispositif de visualisation a cristal liquide a compensateur de birefringence - Google Patents

Dispositif de visualisation a cristal liquide a compensateur de birefringence

Info

Publication number
FR2778000B1
FR2778000B1 FR9805181A FR9805181A FR2778000B1 FR 2778000 B1 FR2778000 B1 FR 2778000B1 FR 9805181 A FR9805181 A FR 9805181A FR 9805181 A FR9805181 A FR 9805181A FR 2778000 B1 FR2778000 B1 FR 2778000B1
Authority
FR
France
Prior art keywords
liquid crystal
display device
crystal display
birefringence compensator
birefringence
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 - Fee Related
Application number
FR9805181A
Other languages
English (en)
Other versions
FR2778000A1 (fr
Inventor
Cecile Joubert
Jean Claude Lehureau
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9805181A priority Critical patent/FR2778000B1/fr
Priority to KR1020007011791A priority patent/KR20010042963A/ko
Priority to JP2000546271A priority patent/JP2002513168A/ja
Priority to EP99914601A priority patent/EP1073932A1/fr
Priority to PCT/FR1999/000902 priority patent/WO1999056169A1/fr
Priority to TW088106383A priority patent/TW457390B/zh
Publication of FR2778000A1 publication Critical patent/FR2778000A1/fr
Application granted granted Critical
Publication of FR2778000B1 publication Critical patent/FR2778000B1/fr
Anticipated expiration legal-status Critical
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
    • 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
    • G02F1/133632—Birefringent elements, e.g. for optical compensation with refractive index ellipsoid inclined relative to the LC-layer surface
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/40—Materials having a particular birefringence, retardation

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)
  • Polarising Elements (AREA)
FR9805181A 1998-04-24 1998-04-24 Dispositif de visualisation a cristal liquide a compensateur de birefringence Expired - Fee Related FR2778000B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9805181A FR2778000B1 (fr) 1998-04-24 1998-04-24 Dispositif de visualisation a cristal liquide a compensateur de birefringence
KR1020007011791A KR20010042963A (ko) 1998-04-24 1999-04-16 복굴절 보상기를 구비한 액정 디스플레이 장치
JP2000546271A JP2002513168A (ja) 1998-04-24 1999-04-16 複屈折補償手段を具備した液晶表示装置
EP99914601A EP1073932A1 (fr) 1998-04-24 1999-04-16 Dispositif de visualisation a cristal liquide a compensateur de birefringence
PCT/FR1999/000902 WO1999056169A1 (fr) 1998-04-24 1999-04-16 Dispositif de visualisation a cristal liquide a compensateur de birefringence
TW088106383A TW457390B (en) 1998-04-24 1999-04-21 Liquid crystal display device with birefringence compensator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9805181A FR2778000B1 (fr) 1998-04-24 1998-04-24 Dispositif de visualisation a cristal liquide a compensateur de birefringence

Publications (2)

Publication Number Publication Date
FR2778000A1 FR2778000A1 (fr) 1999-10-29
FR2778000B1 true FR2778000B1 (fr) 2001-11-16

Family

ID=9525654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9805181A Expired - Fee Related FR2778000B1 (fr) 1998-04-24 1998-04-24 Dispositif de visualisation a cristal liquide a compensateur de birefringence

Country Status (6)

Country Link
EP (1) EP1073932A1 (fr)
JP (1) JP2002513168A (fr)
KR (1) KR20010042963A (fr)
FR (1) FR2778000B1 (fr)
TW (1) TW457390B (fr)
WO (1) WO1999056169A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813127A1 (fr) * 2000-08-18 2002-02-22 Thomson Csf Compensateur pour dispositif a ecran a cristal liquide
WO2006002766A1 (fr) * 2004-07-07 2006-01-12 Merck Patent Gmbh Film biaxial ii
JP2006133720A (ja) 2004-10-07 2006-05-25 Nitto Denko Corp 複屈折フィルムの製造方法、およびそれを用いた光学フィルム、液晶パネル、液晶表示装置、画像表示装置
TWI509330B (zh) * 2010-08-05 2015-11-21 Chi Mei Materials Technology Corp 顯示裝置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04194820A (ja) * 1990-11-22 1992-07-14 Sharp Corp 液晶表示装置
US5657140A (en) * 1993-12-15 1997-08-12 Ois Optical Imaging Systems, Inc. Normally white twisted nematic LCD with positive and negative retarders
JP3006397B2 (ja) * 1994-03-15 2000-02-07 松下電器産業株式会社 液晶表示素子
US5638197A (en) * 1994-04-04 1997-06-10 Rockwell International Corp. Inorganic thin film compensator for improved gray scale performance in twisted nematic liquid crystal displays and method of making
FR2754609B1 (fr) * 1996-10-15 1998-12-18 Sextant Avionique Panneau de visualisation avec compensation par films birefringents holographiques

Also Published As

Publication number Publication date
WO1999056169A1 (fr) 1999-11-04
TW457390B (en) 2001-10-01
FR2778000A1 (fr) 1999-10-29
EP1073932A1 (fr) 2001-02-07
KR20010042963A (ko) 2001-05-25
JP2002513168A (ja) 2002-05-08

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse