TWI347587B - Gradation display reference voltage generating circuit and liquid crystal driving device - Google Patents

Gradation display reference voltage generating circuit and liquid crystal driving device

Info

Publication number
TWI347587B
TWI347587B TW095120218A TW95120218A TWI347587B TW I347587 B TWI347587 B TW I347587B TW 095120218 A TW095120218 A TW 095120218A TW 95120218 A TW95120218 A TW 95120218A TW I347587 B TWI347587 B TW I347587B
Authority
TW
Taiwan
Prior art keywords
liquid crystal
reference voltage
driving device
generating circuit
voltage generating
Prior art date
Application number
TW095120218A
Other languages
English (en)
Other versions
TW200705379A (en
Inventor
Eisaku Miyazaki
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of TW200705379A publication Critical patent/TW200705379A/zh
Application granted granted Critical
Publication of TWI347587B publication Critical patent/TWI347587B/zh

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
    • G09G3/34—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
    • 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
    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G3/3614—Control of polarity reversal in general

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)
  • Dc-Dc Converters (AREA)
TW095120218A 2005-06-07 2006-06-07 Gradation display reference voltage generating circuit and liquid crystal driving device TWI347587B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005166688A JP4348318B2 (ja) 2005-06-07 2005-06-07 階調表示基準電圧発生回路および液晶駆動装置

Publications (2)

Publication Number Publication Date
TW200705379A TW200705379A (en) 2007-02-01
TWI347587B true TWI347587B (en) 2011-08-21

Family

ID=37493632

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095120218A TWI347587B (en) 2005-06-07 2006-06-07 Gradation display reference voltage generating circuit and liquid crystal driving device

Country Status (5)

Country Link
US (1) US7659875B2 (zh)
JP (1) JP4348318B2 (zh)
KR (1) KR100787273B1 (zh)
CN (1) CN1877686B (zh)
TW (1) TWI347587B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5110788B2 (ja) * 2005-11-21 2012-12-26 株式会社ジャパンディスプレイイースト 表示装置
JP4493681B2 (ja) * 2007-05-17 2010-06-30 Ｏｋｉセミコンダクタ株式会社 液晶駆動装置
CN101826307B (zh) * 2009-03-06 2012-07-04 北京京东方光电科技有限公司 一种Gamma参考电压的产生电路和产生方法
TWI502457B (zh) * 2013-04-24 2015-10-01 Quanta Comp Inc 觸控面板
TWI521496B (zh) * 2014-02-11 2016-02-11 聯詠科技股份有限公司 緩衝電路、面板模組及顯示驅動方法
US10608017B2 (en) * 2017-01-31 2020-03-31 Semiconductor Energy Laboratory Co., Ltd. Display device, display module, and electronic device
CN107705746A (zh) * 2017-10-24 2018-02-16 惠科股份有限公司 一种显示装置的驱动装置和驱动方法
CN110322852B (zh) * 2019-06-14 2020-10-16 深圳市华星光电技术有限公司 伽马电压输出电路及其掉阶修复方法、源极驱动器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100343513B1 (ko) * 1993-07-29 2003-05-27 히다찌디바이스엔지니어링 가부시기가이샤 액정구동방법과액정표시장치
JP2822911B2 (ja) 1995-03-23 1998-11-11 日本電気株式会社 駆動回路
JPH08272339A (ja) 1995-04-04 1996-10-18 Hitachi Ltd 液晶表示装置
KR19990011349A (ko) * 1997-07-23 1999-02-18 윤종용 박막 트랜지스터 액정 표시 장치의 구동 장치
JPH11202299A (ja) 1998-01-16 1999-07-30 Mitsubishi Electric Corp 液晶ディスプレイ装置
JP3472473B2 (ja) 1998-03-25 2003-12-02 シャープ株式会社 液晶パネルの駆動方法および液晶表示装置
JP3993725B2 (ja) * 1999-12-16 2007-10-17 松下電器産業株式会社 液晶駆動回路，半導体集積回路及び液晶パネル
JP3533185B2 (ja) 2001-01-16 2004-05-31 Ｎｅｃエレクトロニクス株式会社 液晶ディスプレイの駆動回路
JP3807322B2 (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
JP3661651B2 (ja) * 2002-02-08 2005-06-15 セイコーエプソン株式会社 基準電圧発生回路、表示駆動回路及び表示装置
JP4108360B2 (ja) * 2002-04-25 2008-06-25 シャープ株式会社 表示駆動装置およびそれを用いた表示装置
JP4516280B2 (ja) * 2003-03-10 2010-08-04 ルネサスエレクトロニクス株式会社 表示装置の駆動回路
KR20040100559A (ko) * 2003-05-23 2004-12-02 엘지.필립스 엘시디 주식회사 액정표시장치의 감마 기준전압회로
KR100965584B1 (ko) * 2003-12-30 2010-06-23 엘지디스플레이 주식회사 액정표시장치의 구동회로

Also Published As

Publication number Publication date
CN1877686A (zh) 2006-12-13
TW200705379A (en) 2007-02-01
US20060274005A1 (en) 2006-12-07
US7659875B2 (en) 2010-02-09
KR20060127775A (ko) 2006-12-13
JP2006343390A (ja) 2006-12-21
KR100787273B1 (ko) 2007-12-20
JP4348318B2 (ja) 2009-10-21
CN1877686B (zh) 2010-11-03

Similar Documents

Publication Publication Date Title
TWI317919B (en) Liquid crystal driving circuit and liquid crystal display device
TWI340530B (en) Load driving device and liguid crystal display using such load driving device
GB2432708B (en) Liquid crystal display device and method of driving the same
GB2429569B (en) Liquid crystal display device and method of driving the same
GB2409095B (en) Liquid crystal display device
GB2430071B (en) Backlight unit and liquid crystal display device having the same
GB2428510B (en) Source driver circuit and driving method for liquid crystal display device
GB2412780B (en) Liquid crystal display device
GB2433639B (en) Liquid crystal display device and method of driving the same
TWI348147B (en) Liquid crystal display device and method of driving the same
EP1743931A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
GB2434021A8 (en) Liquid crystal display device having first and second common voltage supply lines
EP1816509A4 (en) Liquid crystal display device and electronic apparatus therefor
TWI317921B (en) Liquid crystal display device
TWI349134B (en) Liquid crystal display device and method of driving the same
EP1845406A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
EP1715372A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
EP1710617A4 (en) LIQUID CRYSTAL PLAY ARRANGEMENT
EP1745328A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
TWI347587B (en) Gradation display reference voltage generating circuit and liquid crystal driving device
EP1743214A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
TWI319832B (en) Liquid crystal display device of lateral electric field type
GB2401984B (en) Liquid crystal display device
EP1715371A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
GB0513971D0 (en) Display device and liquid crystal display panel

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees