CA2574807A1 - Systeme et methode pour regler le niveau de retro-eclairage de l'afficheur d'un dispositif electronique - Google Patents

Systeme et methode pour regler le niveau de retro-eclairage de l'afficheur d'un dispositif electronique Download PDF

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Publication number
CA2574807A1
CA2574807A1 CA002574807A CA2574807A CA2574807A1 CA 2574807 A1 CA2574807 A1 CA 2574807A1 CA 002574807 A CA002574807 A CA 002574807A CA 2574807 A CA2574807 A CA 2574807A CA 2574807 A1 CA2574807 A1 CA 2574807A1
Authority
CA
Canada
Prior art keywords
image
another
backlight
display
intensity
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.)
Granted
Application number
CA002574807A
Other languages
English (en)
Other versions
CA2574807C (fr
Inventor
Bergen Fletcher
Robert Lowles
James Robinson
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.)
BlackBerry Ltd
Original Assignee
Research in Motion 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 Research in Motion Ltd filed Critical Research in Motion Ltd
Publication of CA2574807A1 publication Critical patent/CA2574807A1/fr
Application granted granted Critical
Publication of CA2574807C publication Critical patent/CA2574807C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G09G3/3406—Control of illumination source
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • 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
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • 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

Landscapes

  • Engineering & Computer Science (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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Liquid Crystal (AREA)
CA2574807A 2006-02-14 2007-01-22 Systeme et methode pour regler le niveau de retro-eclairage de l'afficheur d'un dispositif electronique Active CA2574807C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06101680.4 2006-02-14
EP06101680A EP1818901B1 (fr) 2006-02-14 2006-02-14 Système et procédé pour régler le niveau de rétroéclairage de l'affichage dans un dispositif électronique

Publications (2)

Publication Number Publication Date
CA2574807A1 true CA2574807A1 (fr) 2007-08-14
CA2574807C CA2574807C (fr) 2012-04-03

Family

ID=36177811

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2574807A Active CA2574807C (fr) 2006-02-14 2007-01-22 Systeme et methode pour regler le niveau de retro-eclairage de l'afficheur d'un dispositif electronique

Country Status (5)

Country Link
EP (2) EP2184732B1 (fr)
AT (1) ATE459072T1 (fr)
CA (1) CA2574807C (fr)
DE (1) DE602006012439D1 (fr)
HK (1) HK1108964A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2099019A1 (fr) 2008-02-29 2009-09-09 Research In Motion Limited Système et procédé pour régler une valeur d'intensité et un niveau de rétroéclairage de l'affichage dans un dispositif électronique
US8194028B2 (en) 2008-02-29 2012-06-05 Research In Motion Limited System and method for adjusting an intensity value and a backlight level for a display of an electronic device
WO2010092179A1 (fr) * 2009-02-16 2010-08-19 Arcelik Anonim Sirketi Dispositif d'affichage et son procédé de commande
CN110288952B (zh) * 2019-06-24 2021-07-16 湖北亿咖通科技有限公司 一种车载系统开机时背光亮度的设置方法和装置
CN113192464B (zh) * 2020-01-14 2023-01-13 华为技术有限公司 一种背光调节方法及电子设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03179886A (ja) 1989-12-07 1991-08-05 Toshiba Corp 投写形液晶表示装置
TW518882B (en) 2000-03-27 2003-01-21 Hitachi Ltd Liquid crystal display device for displaying video data
US6762741B2 (en) * 2000-12-22 2004-07-13 Visteon Global Technologies, Inc. Automatic brightness control system and method for a display device using a logarithmic sensor
CN1307608C (zh) * 2001-04-25 2007-03-28 松下电器产业株式会社 图象显示装置及图象显示方法

Also Published As

Publication number Publication date
EP1818901A1 (fr) 2007-08-15
EP2184732B1 (fr) 2014-12-17
CA2574807C (fr) 2012-04-03
ATE459072T1 (de) 2010-03-15
HK1108964A1 (en) 2008-05-23
DE602006012439D1 (de) 2010-04-08
EP2184732A1 (fr) 2010-05-12
EP1818901B1 (fr) 2010-02-24

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