HK1108964A1 - System and method for adjusting a backlight level for a display on an electronic device - Google Patents

System and method for adjusting a backlight level for a display on an electronic device

Info

Publication number
HK1108964A1
HK1108964A1 HK08101716.3A HK08101716A HK1108964A1 HK 1108964 A1 HK1108964 A1 HK 1108964A1 HK 08101716 A HK08101716 A HK 08101716A HK 1108964 A1 HK1108964 A1 HK 1108964A1
Authority
HK
Hong Kong
Prior art keywords
backlight
image
display
electronic device
backlight level
Prior art date
Application number
HK08101716.3A
Other languages
English (en)
Inventor
Bergen Fletcher
Robert Lowles
James Robinson
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 HK1108964A1 publication Critical patent/HK1108964A1/xx

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)
HK08101716.3A 2006-02-14 2008-02-15 System and method for adjusting a backlight level for a display on an electronic device HK1108964A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06101680A EP1818901B1 (en) 2006-02-14 2006-02-14 System and method for adjusting a backlight level for a display on an electronic device

Publications (1)

Publication Number Publication Date
HK1108964A1 true HK1108964A1 (en) 2008-05-23

Family

ID=36177811

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08101716.3A HK1108964A1 (en) 2006-02-14 2008-02-15 System and method for adjusting a backlight level for a display on an electronic device

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2099019A1 (en) 2008-02-29 2009-09-09 Research In Motion Limited System and method for adjusting an intensity value and a backlight level for a display of an electronic device
WO2010092179A1 (en) * 2009-02-16 2010-08-19 Arcelik Anonim Sirketi A display device and the control method thereof
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
DE60239930D1 (de) * 2001-04-25 2011-06-16 Panasonic Corp Videoanzeigevorrichtung und videoanzeigeverfahren

Also Published As

Publication number Publication date
EP2184732A1 (en) 2010-05-12
CA2574807C (en) 2012-04-03
ATE459072T1 (de) 2010-03-15
EP1818901A1 (en) 2007-08-15
CA2574807A1 (en) 2007-08-14
DE602006012439D1 (de) 2010-04-08
EP2184732B1 (en) 2014-12-17
EP1818901B1 (en) 2010-02-24

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