DE502006006471D1 - 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
DE502006006471D1
DE502006006471D1 DE502006006471T DE502006006471T DE502006006471D1 DE 502006006471 D1 DE502006006471 D1 DE 502006006471D1 DE 502006006471 T DE502006006471 T DE 502006006471T DE 502006006471 T DE502006006471 T DE 502006006471T DE 502006006471 D1 DE502006006471 D1 DE 502006006471D1
Authority
DE
Germany
Prior art keywords
circuit
display unit
lcd display
sub
voltage source
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.)
Active
Application number
DE502006006471T
Other languages
English (en)
Inventor
Gerald Hoerist
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.)
Siemens AG
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
Publication of DE502006006471D1 publication Critical patent/DE502006006471D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3696Generation of voltages supplied to electrode drivers
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/066Adjustment of display parameters for control of contrast
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details 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)
  • Liquid Crystal (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
DE502006006471T 2005-11-18 2006-06-28 Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit Active DE502006006471D1 (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
DE502006006471D1 true DE502006006471D1 (de) 2010-04-29

Family

ID=36963166

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102005055149A Ceased DE102005055149A1 (de) 2005-11-18 2005-11-18 Schaltung zur Erzeugung einer veränderbaren Vorspannung und Verfahren zum Betreiben der Schaltung
DE502006006471T Active DE502006006471D1 (de) 2005-11-18 2006-06-28 Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102005055149A Ceased DE102005055149A1 (de) 2005-11-18 2005-11-18 Schaltung zur Erzeugung einer veränderbaren Vorspannung und Verfahren zum Betreiben der Schaltung

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
EP1949359B1 (de) 2010-03-17
WO2007057236A1 (de) 2007-05-24
EP1949359A1 (de) 2008-07-30
DE102005055149A1 (de) 2007-05-31
ATE461512T1 (de) 2010-04-15

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DE502006006471D1 (de) Schaltung zur erzeugung einer veränderbaren vorspannung für eine lcd-anzeigeeinheit

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

8364 No opposition during term of opposition