TWI340940B - Backlight control for a portable computing device - Google Patents

Backlight control for a portable computing device

Info

Publication number
TWI340940B
TWI340940B TW095106700A TW95106700A TWI340940B TW I340940 B TWI340940 B TW I340940B TW 095106700 A TW095106700 A TW 095106700A TW 95106700 A TW95106700 A TW 95106700A TW I340940 B TWI340940 B TW I340940B
Authority
TW
Taiwan
Prior art keywords
computing device
portable computing
backlight control
backlight
control
Prior art date
Application number
TW095106700A
Other languages
English (en)
Other versions
TW200639776A (en
Inventor
Robert J Lowles
Marc A Drader
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 TW200639776A publication Critical patent/TW200639776A/zh
Application granted granted Critical
Publication of TWI340940B publication Critical patent/TWI340940B/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector
    • 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
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Telephone Function (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Liquid Crystal (AREA)
TW095106700A 2005-02-28 2006-02-27 Backlight control for a portable computing device TWI340940B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05101525A EP1696414A1 (en) 2005-02-28 2005-02-28 Backlight control for a portable computing device

Publications (2)

Publication Number Publication Date
TW200639776A TW200639776A (en) 2006-11-16
TWI340940B true TWI340940B (en) 2011-04-21

Family

ID=35079448

Family Applications (2)

Application Number Title Priority Date Filing Date
TW099111149A TWI423202B (zh) 2005-02-28 2006-02-27 用於一可攜式計算裝置之背光控制
TW095106700A TWI340940B (en) 2005-02-28 2006-02-27 Backlight control for a portable computing device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW099111149A TWI423202B (zh) 2005-02-28 2006-02-27 用於一可攜式計算裝置之背光控制

Country Status (9)

Country Link
EP (1) EP1696414A1 (zh)
JP (2) JP5060731B2 (zh)
KR (1) KR101196988B1 (zh)
CN (2) CN102176305B (zh)
AU (2) AU2006200863B2 (zh)
CA (1) CA2537909A1 (zh)
MX (1) MXPA06002291A (zh)
SG (2) SG125235A1 (zh)
TW (2) TWI423202B (zh)

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US7728316B2 (en) 2005-09-30 2010-06-01 Apple Inc. Integrated proximity sensor and light sensor
US7633076B2 (en) 2005-09-30 2009-12-15 Apple Inc. Automated response to and sensing of user activity in portable devices
US7701434B2 (en) 2005-10-31 2010-04-20 Research In Motion Limited Automatic screen and keypad brightness adjustment on a mobile handheld electronic device
ATE417454T1 (de) * 2005-10-31 2008-12-15 Research In Motion Ltd Automatische helligkeitsanpassung für bildschirm und tastatur eines tragbaren elektronischen gerätes
US8006002B2 (en) 2006-12-12 2011-08-23 Apple Inc. Methods and systems for automatic configuration of peripherals
US8031164B2 (en) * 2007-01-05 2011-10-04 Apple Inc. Backlight and ambient light sensor system
US8698727B2 (en) 2007-01-05 2014-04-15 Apple Inc. Backlight and ambient light sensor system
US7957762B2 (en) 2007-01-07 2011-06-07 Apple Inc. Using ambient light sensor to augment proximity sensor output
US8693877B2 (en) 2007-03-09 2014-04-08 Apple Inc. Integrated infrared receiver and emitter for multiple functionalities
IL187485A0 (en) * 2007-11-19 2008-02-09 Danny Knafou Designed console for providing a variety of cellular services to a driver of a motor vehicle and his environment
JP4357572B2 (ja) * 2008-02-28 2009-11-04 株式会社東芝 映像表示装置及び映像表示方法
US20090233649A1 (en) * 2008-03-12 2009-09-17 Sony Ericsson Mobile Communications Ab Three-dimensional user interface and a method for controlling it
US8610659B2 (en) 2008-05-12 2013-12-17 Blackberry Limited Method and apparatus for automatic brightness adjustment on a display of a mobile electronic device
CN101807094B (zh) * 2009-02-13 2012-06-27 纬创资通股份有限公司 电子装置、控制系统及其控制发光组件的方法
EP2224696B1 (en) * 2009-02-27 2016-11-09 BlackBerry Limited Automatic keypad backlight adjustment on a mobile handheld electronic device
JP4829991B2 (ja) * 2009-03-23 2011-12-07 シャープ株式会社 自動調光システム
US8378960B2 (en) * 2009-08-13 2013-02-19 International Business Machines Corporation Apparatus, system, and method for controlling an electronic display
US8493316B2 (en) * 2010-04-22 2013-07-23 Qualcomm Incorporated Adjusting backlight intensity based on a progress of a task
FR2971066B1 (fr) 2011-01-31 2013-08-23 Nanotec Solution Interface homme-machine tridimensionnelle.
US8937675B2 (en) 2011-02-25 2015-01-20 Blackberry Limited Simulated incident light meter on a mobile device for photography/cinematography
EP2493175A1 (en) * 2011-02-25 2012-08-29 Research In Motion Limited Simulated incident light meter on a mobile device for photography/cinematography
CN102137178B (zh) * 2011-04-07 2013-07-31 广东欧珀移动通信有限公司 一种手机背光控制方法
GB2493931A (en) * 2011-08-22 2013-02-27 Apical Ltd Display Device Brightness and Dynamic Range Compression Control
US9324300B2 (en) 2012-02-15 2016-04-26 Mario Diez Extending battery life by automatic control of display illumination
US9183779B2 (en) * 2012-02-23 2015-11-10 Broadcom Corporation AMOLED light sensing
CN103310719B (zh) * 2012-03-13 2016-05-11 原相科技股份有限公司 自动检测方法和使用该方法的便携式电子装置
KR101526351B1 (ko) * 2012-07-20 2015-06-05 엘지전자 주식회사 이동 단말기 및 이동 단말기의 제어 방법
US9146304B2 (en) 2012-09-10 2015-09-29 Apple Inc. Optical proximity sensor with ambient light and temperature compensation
FR3002052B1 (fr) 2013-02-14 2016-12-09 Fogale Nanotech Procede et dispositif pour naviguer dans un ecran d'affichage et appareil comprenant une telle navigation
DE102014017281A1 (de) 2014-11-21 2016-05-25 e.solutions GmbH Optische Detektionsvorrichtung und Verfahren zum Steuern derselben
CN105282290A (zh) * 2015-09-21 2016-01-27 重庆蓝岸通讯技术有限公司 背光自动调节方法
US10289187B2 (en) 2015-12-11 2019-05-14 Toshiba Client Solutions CO., LTD. Electronic device and method
CN105577935B (zh) * 2016-01-04 2019-07-23 Oppo广东移动通信有限公司 屏幕亮度调节方法及装置
CN106898330B (zh) * 2017-04-06 2019-11-19 北京安云世纪科技有限公司 一种屏幕显示调节方法及终端设备
CN112351137A (zh) * 2020-10-28 2021-02-09 深圳市华卓智能科技有限公司 一种基于光感值的背光亮度调节方法
DE102022122812A1 (de) 2022-09-08 2024-03-14 Heine Optotechnik Gmbh & Co. Kg Videolaryngoskop

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Also Published As

Publication number Publication date
SG145751A1 (en) 2008-09-29
MXPA06002291A (es) 2007-01-25
CN1828711A (zh) 2006-09-06
CA2537909A1 (en) 2006-08-28
TWI423202B (zh) 2014-01-11
AU2006200863A1 (en) 2006-09-14
TW200639776A (en) 2006-11-16
AU2010241267A1 (en) 2010-11-25
JP2006243725A (ja) 2006-09-14
AU2010241267B2 (en) 2012-02-02
JP2012058753A (ja) 2012-03-22
EP1696414A1 (en) 2006-08-30
CN102176305B (zh) 2014-11-26
SG125235A1 (en) 2006-09-29
KR20060095481A (ko) 2006-08-31
JP5395880B2 (ja) 2014-01-22
JP5060731B2 (ja) 2012-10-31
AU2006200863B2 (en) 2010-08-05
TW201028976A (en) 2010-08-01
KR101196988B1 (ko) 2012-11-02
CN102176305A (zh) 2011-09-07
CN1828711B (zh) 2011-05-25

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Legal Events

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