DE3789674T2 - Schaltung zum Abgleichen von Kristalländerungen für Flüssigkristallanzeigegerät. - Google Patents

Schaltung zum Abgleichen von Kristalländerungen für Flüssigkristallanzeigegerät.

Info

Publication number
DE3789674T2
DE3789674T2 DE3789674T DE3789674T DE3789674T2 DE 3789674 T2 DE3789674 T2 DE 3789674T2 DE 3789674 T DE3789674 T DE 3789674T DE 3789674 T DE3789674 T DE 3789674T DE 3789674 T2 DE3789674 T2 DE 3789674T2
Authority
DE
Germany
Prior art keywords
circuit
display device
liquid crystal
matching
crystal display
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
DE3789674T
Other languages
English (en)
Other versions
DE3789674D1 (de
Inventor
Roger Green Stewart
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3789674D1 publication Critical patent/DE3789674D1/de
Publication of DE3789674T2 publication Critical patent/DE3789674T2/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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Indicating Measured Values (AREA)
DE3789674T 1986-01-16 1987-01-14 Schaltung zum Abgleichen von Kristalländerungen für Flüssigkristallanzeigegerät. Expired - Lifetime DE3789674T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/819,287 US4738514A (en) 1986-01-16 1986-01-16 Crystal variation compensation circuit for liquid crystal displays

Publications (2)

Publication Number Publication Date
DE3789674D1 DE3789674D1 (de) 1994-06-01
DE3789674T2 true DE3789674T2 (de) 1994-10-20

Family

ID=25227720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789674T Expired - Lifetime DE3789674T2 (de) 1986-01-16 1987-01-14 Schaltung zum Abgleichen von Kristalländerungen für Flüssigkristallanzeigegerät.

Country Status (5)

Country Link
US (1) US4738514A (de)
EP (1) EP0229716B1 (de)
JP (1) JPH067232B2 (de)
KR (1) KR960002381B1 (de)
DE (1) DE3789674T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4838653A (en) * 1986-07-22 1989-06-13 Raychem Corporation Liquid crystal display with particular relationship of the capacitances
US5298892A (en) * 1988-07-21 1994-03-29 Proxima Corporation Stacked display panel construction and method of making same
GB2237400B (en) * 1989-10-27 1994-04-20 Eev Ltd Control of liquid crystal display visual properties
WO1991010223A1 (en) * 1989-12-22 1991-07-11 David Sarnoff Research Center, Inc. Field-sequential display system utilizing a backlit lcd pixel array and method for forming an image
NL9002516A (nl) * 1990-11-19 1992-06-16 Philips Nv Weergeefinrichting en werkwijze ter vervaardiging daarvan.
US20010054989A1 (en) * 1993-10-22 2001-12-27 Matthew Zavracky Color sequential display panels
US5642129A (en) * 1994-03-23 1997-06-24 Kopin Corporation Color sequential display panels
JP3520396B2 (ja) * 1997-07-02 2004-04-19 セイコーエプソン株式会社 アクティブマトリクス基板と表示装置
US5900918A (en) * 1997-07-30 1999-05-04 Hughes-Jvc Technology Corporation Adjustable video gamma circuit
WO1999010862A1 (fr) * 1997-08-21 1999-03-04 Seiko Epson Corporation Afficheur a matrice active
JP3580092B2 (ja) * 1997-08-21 2004-10-20 セイコーエプソン株式会社 アクティブマトリクス型表示装置
KR101137856B1 (ko) 2005-10-25 2012-04-20 엘지디스플레이 주식회사 평판표시장치 및 그 화질제어방법
JP5227732B2 (ja) * 2008-10-10 2013-07-03 Ｄｉｃ株式会社 液晶温度センサー
KR101433106B1 (ko) * 2009-10-08 2014-09-25 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443762A (en) * 1977-09-13 1979-04-06 Seiko Epson Corp Liquid crystal mechanism
DE2861538D1 (en) * 1977-12-20 1982-02-25 Secr Defence Brit Liquid crystal displays
JPS54109394A (en) * 1978-02-15 1979-08-27 Hitachi Ltd Temperature compensation method for liquid crystal display unit
NL7812214A (nl) * 1978-12-15 1980-06-17 Philips Nv Weergeefinrichting met een vloeibaar kristal.
GB2064177B (en) * 1979-11-17 1983-06-08 Racal Res Ltd Automatic control of capacitance
EP0031678B1 (de) * 1979-12-19 1986-06-11 Seiko Epson Corporation Spannungsregler für eine Flüssigkristallanzeige
US4390874A (en) * 1981-01-09 1983-06-28 Texas Instruments Incorporated Liquid crystal display system having improved temperature compensation
CH632368B (fr) * 1980-12-19 Asulab Sa Cellule d'affichage a cristaux liquides.
EP0079711A3 (de) * 1981-11-16 1984-10-03 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Berührungsempfindlicher Schalter
JPS59113419A (ja) * 1982-12-20 1984-06-30 Hitachi Ltd 液晶駆動装置
JPH068937B2 (ja) * 1984-03-23 1994-02-02 シチズン時計株式会社 表示装置

Also Published As

Publication number Publication date
US4738514A (en) 1988-04-19
JPH067232B2 (ja) 1994-01-26
EP0229716A3 (en) 1990-03-28
DE3789674D1 (de) 1994-06-01
KR870007443A (ko) 1987-08-19
KR960002381B1 (ko) 1996-02-16
JPS62184438A (ja) 1987-08-12
EP0229716B1 (de) 1994-04-27
EP0229716A2 (de) 1987-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)