FR2715495B1 - Générateur de tension de gris pour dispositif d'affichage à cristal liquide, apte à commander un angle d'observation. - Google Patents

Générateur de tension de gris pour dispositif d'affichage à cristal liquide, apte à commander un angle d'observation.

Info

Publication number
FR2715495B1
FR2715495B1 FR9500907A FR9500907A FR2715495B1 FR 2715495 B1 FR2715495 B1 FR 2715495B1 FR 9500907 A FR9500907 A FR 9500907A FR 9500907 A FR9500907 A FR 9500907A FR 2715495 B1 FR2715495 B1 FR 2715495B1
Authority
FR
France
Prior art keywords
observation
controlling
angle
liquid crystal
display device
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
FR9500907A
Other languages
English (en)
Other versions
FR2715495A1 (fr
Inventor
Seung Hwan Moon
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.)
Samsung Display Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of FR2715495A1 publication Critical patent/FR2715495A1/fr
Application granted granted Critical
Publication of FR2715495B1 publication Critical patent/FR2715495B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3696—Generation of voltages supplied to electrode drivers
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0219—Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
FR9500907A 1994-01-26 1995-01-26 Générateur de tension de gris pour dispositif d'affichage à cristal liquide, apte à commander un angle d'observation. Expired - Lifetime FR2715495B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940001363A KR0136966B1 (ko) 1994-01-26 1994-01-26 시야각 조절기능을 구비한 액정표시장치용 그레이 전압 발생장치

Publications (2)

Publication Number Publication Date
FR2715495A1 FR2715495A1 (fr) 1995-07-28
FR2715495B1 true FR2715495B1 (fr) 1997-05-30

Family

ID=19376245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9500907A Expired - Lifetime FR2715495B1 (fr) 1994-01-26 1995-01-26 Générateur de tension de gris pour dispositif d'affichage à cristal liquide, apte à commander un angle d'observation.

Country Status (6)

Country Link
US (1) US5625387A (fr)
JP (1) JP3471461B2 (fr)
KR (1) KR0136966B1 (fr)
DE (1) DE19502444B4 (fr)
FR (1) FR2715495B1 (fr)
GB (1) GB2286077B (fr)

Families Citing this family (32)

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KR0149297B1 (ko) * 1995-07-12 1998-12-15 김광호 액정 표시 장치 및 그 구동 방법
KR0149296B1 (ko) * 1995-08-29 1998-12-15 김광호 광 시야각 구동회로와 그 구동방법
JP3039404B2 (ja) * 1996-12-09 2000-05-08 日本電気株式会社 アクティブマトリクス型液晶表示装置
JP3166668B2 (ja) * 1997-08-21 2001-05-14 日本電気株式会社 液晶表示装置
JP3488054B2 (ja) * 1997-09-12 2004-01-19 Ｎｅｃエレクトロニクス株式会社 液晶駆動用装置
US6225992B1 (en) * 1997-12-05 2001-05-01 United Microelectronics Corp. Method and apparatus for generating bias voltages for liquid crystal display drivers
US6297790B1 (en) * 1998-01-09 2001-10-02 Universal Avionics Systems Corporation Gamma correction of the viewing angle of liquid crystal display
DE19808982A1 (de) 1998-03-03 1999-09-09 Siemens Ag Aktivmatrix-Flüssigkristallanzeige
TW407256B (en) * 1998-10-16 2000-10-01 Samsung Electronics Co Ltd Power supply apparatus of an LCD and voltage sequence control method
US6628255B1 (en) * 1999-06-30 2003-09-30 Agilent Technologies, Inc. Viewing angle adjustment for a liquid crystal display (LCD)
JP3718607B2 (ja) * 1999-07-21 2005-11-24 株式会社日立製作所 液晶表示装置及び映像信号線駆動装置
JP4615100B2 (ja) * 2000-07-18 2011-01-19 富士通セミコンダクター株式会社 データドライバ及びそれを用いた表示装置
JP3813463B2 (ja) 2000-07-24 2006-08-23 シャープ株式会社 液晶表示装置の駆動回路及びそれを用いた液晶表示装置並びにその液晶表示装置を用いた電子機器
KR100419090B1 (ko) * 2001-02-19 2004-02-19 삼성전자주식회사 시야각에 적응하는 액정 표시 장치
JP2002250908A (ja) * 2001-02-23 2002-09-06 Matsushita Electric Ind Co Ltd 液晶表示装置及び画像表示応用機器
JP3791354B2 (ja) * 2001-06-04 2006-06-28 セイコーエプソン株式会社 演算増幅回路、駆動回路、及び駆動方法
KR100832289B1 (ko) * 2001-07-10 2008-05-26 엘지디스플레이 주식회사 액정디스플레이의 시야각 전환 구동회로 및 시야각 전환방법
KR100806903B1 (ko) * 2001-09-27 2008-02-22 삼성전자주식회사 액정 표시 장치 및 이의 구동 방법
US7233263B2 (en) * 2002-01-08 2007-06-19 Xerox Corporation Analog actuation allocation structure with many actuators
JP3807321B2 (ja) * 2002-02-08 2006-08-09 セイコーエプソン株式会社 基準電圧発生回路、表示駆動回路、表示装置及び基準電圧発生方法
KR100864491B1 (ko) * 2002-05-16 2008-10-20 삼성전자주식회사 액정 표시 장치의 구동 장치
JP2004279482A (ja) * 2003-03-12 2004-10-07 Sharp Corp 表示装置
JP4143588B2 (ja) * 2003-10-27 2008-09-03 日本電気株式会社 出力回路及びデジタルアナログ回路並びに表示装置
KR20060089829A (ko) * 2005-02-04 2006-08-09 삼성전자주식회사 표시 장치 및 그 구동 방법
KR100721578B1 (ko) * 2005-04-29 2007-05-23 삼성에스디아이 주식회사 유기전계발광장치의 직류 안정화 회로 및 이를 이용하는전원 공급 장치
JP4647448B2 (ja) * 2005-09-22 2011-03-09 ルネサスエレクトロニクス株式会社 階調電圧発生回路
TW200737090A (en) * 2006-03-30 2007-10-01 Novatek Microelectronics Corp Source driver of an LCD panel with reduced voltage buffers and method of driving the same
KR101361621B1 (ko) 2007-02-15 2014-02-11 삼성디스플레이 주식회사 표시장치 및 이의 구동방법
TWI376940B (en) * 2009-02-19 2012-11-11 Novatek Microelectronics Corp Gamma volatge generating apparatus and gamma voltage generator
CN111656271B (zh) * 2019-01-04 2023-05-23 京东方科技集团股份有限公司 防窥电路及其驱动方法、显示装置
KR20210106606A (ko) 2020-02-20 2021-08-31 삼성디스플레이 주식회사 표시 장치
WO2024176604A1 (fr) * 2023-02-21 2024-08-29 株式会社ジャパンディスプレイ Dispositif d'éclairage

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US4427978A (en) * 1981-08-31 1984-01-24 Marshall Williams Multiplexed liquid crystal display having a gray scale image
JPH0756542B2 (ja) * 1985-09-25 1995-06-14 カシオ計算機株式会社 液晶駆動回路
US5442370A (en) * 1987-08-13 1995-08-15 Seiko Epson Corporation System for driving a liquid crystal display device
JPH0681287B2 (ja) * 1988-07-15 1994-10-12 シャープ株式会社 液晶投射装置
US5117298A (en) * 1988-09-20 1992-05-26 Nec Corporation Active matrix liquid crystal display with reduced flickers
US5061920A (en) * 1988-12-20 1991-10-29 Honeywell Inc. Saturating column driver for grey scale LCD
EP0391655B1 (fr) * 1989-04-04 1995-06-14 Sharp Kabushiki Kaisha Dispositif de commande d'un appareil d'affichage matriciel à cristaux liquides
US5283477A (en) * 1989-08-31 1994-02-01 Sharp Kabushiki Kaisha Common driver circuit
US5229761A (en) * 1989-12-28 1993-07-20 Casio Computer Co., Ltd. Voltage generating circuit for driving liquid crystal display device
US5012384A (en) * 1990-02-20 1991-04-30 Advanced Micro Device, Inc. Load circuit for a differential driver
JP2951352B2 (ja) * 1990-03-08 1999-09-20 株式会社日立製作所 多階調液晶表示装置
US5168270A (en) * 1990-05-16 1992-12-01 Nippon Telegraph And Telephone Corporation Liquid crystal display device capable of selecting display definition modes, and driving method therefor
JPH04113314A (ja) * 1990-09-03 1992-04-14 Sharp Corp 液晶表示装置
JP2888382B2 (ja) * 1991-05-15 1999-05-10 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 液晶表示装置並びにその駆動方法及び駆動装置
KR940002290B1 (ko) * 1991-09-28 1994-03-21 삼성전관 주식회사 평판형 화상 표시장치
US5384516A (en) * 1991-11-06 1995-01-24 Hitachi, Ltd. Information processing apparatus including a control circuit for controlling a liquid crystal display illumination based on whether illuminatio power is being supplied from an AC power source or from a battery
US5389952A (en) * 1992-12-02 1995-02-14 Cordata Inc. Low-power-consumption monitor standby system
JP2531426B2 (ja) * 1993-02-01 1996-09-04 日本電気株式会社 マルチスキャン型液晶ディスプレイ装置

Also Published As

Publication number Publication date
FR2715495A1 (fr) 1995-07-28
DE19502444A1 (de) 1995-08-03
JPH08166578A (ja) 1996-06-25
GB9501413D0 (en) 1995-03-15
KR950024000A (ko) 1995-08-21
KR0136966B1 (ko) 1998-04-28
US5625387A (en) 1997-04-29
GB2286077A (en) 1995-08-02
JP3471461B2 (ja) 2003-12-02
DE19502444B4 (de) 2008-05-29
GB2286077B (en) 1998-04-08

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Legal Events

Date Code Title Description
TP Transmission of property

Owner name: SAMSUNG DISPLAY CO. LTD, KR

Effective date: 20130226