ATE461512T1 - Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit - Google Patents

Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit

Info

Publication number
ATE461512T1
ATE461512T1 AT06763925T AT06763925T ATE461512T1 AT E461512 T1 ATE461512 T1 AT E461512T1 AT 06763925 T AT06763925 T AT 06763925T AT 06763925 T AT06763925 T AT 06763925T AT E461512 T1 ATE461512 T1 AT E461512T1
Authority
AT
Austria
Prior art keywords
circuit
display unit
lcd display
sub
voltage source
Prior art date
Application number
AT06763925T
Other languages
English (en)
Inventor
Gerald Hoerist
Original Assignee
Siemens Ag Oesterreich
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 Siemens Ag Oesterreich filed Critical Siemens Ag Oesterreich
Application granted granted Critical
Publication of ATE461512T1 publication Critical patent/ATE461512T1/de

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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Liquid Crystal (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
AT06763925T 2005-11-18 2006-06-28 Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit ATE461512T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005055149A DE102005055149A1 (de) 2005-11-18 2005-11-18 Schaltung zur Erzeugung einer veränderbaren Vorspannung und Verfahren zum Betreiben der Schaltung
PCT/EP2006/063629 WO2007057236A1 (de) 2005-11-18 2006-06-28 Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit

Publications (1)

Publication Number Publication Date
ATE461512T1 true ATE461512T1 (de) 2010-04-15

Family

ID=36963166

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06763925T ATE461512T1 (de) 2005-11-18 2006-06-28 Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit

Country Status (4)

Country Link
EP (1) EP1949359B1 (de)
AT (1) ATE461512T1 (de)
DE (2) DE102005055149A1 (de)
WO (1) WO2007057236A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283477A (en) * 1989-08-31 1994-02-01 Sharp Kabushiki Kaisha Common driver circuit
JPH0659641A (ja) * 1992-08-07 1994-03-04 Kokusai Electric Co Ltd Ｌｃｄコントラスト制御回路及びその制御方式
JP3324819B2 (ja) * 1993-03-03 2002-09-17 三菱電機株式会社 半導体集積回路装置
JPH07135625A (ja) * 1993-11-10 1995-05-23 Fujitsu Ltd 液晶表示装置のコントラスト調整回路
DE10147504A1 (de) * 2001-09-26 2003-04-10 Siemens Ag Beleuchtungssteuerung

Also Published As

Publication number Publication date
DE502006006471D1 (de) 2010-04-29
WO2007057236A1 (de) 2007-05-24
DE102005055149A1 (de) 2007-05-31
EP1949359A1 (de) 2008-07-30
EP1949359B1 (de) 2010-03-17

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