CN101751866A - 用于面板显示装置的背光亮度控制 - Google Patents
用于面板显示装置的背光亮度控制 Download PDFInfo
- Publication number
- CN101751866A CN101751866A CN200910260502A CN200910260502A CN101751866A CN 101751866 A CN101751866 A CN 101751866A CN 200910260502 A CN200910260502 A CN 200910260502A CN 200910260502 A CN200910260502 A CN 200910260502A CN 101751866 A CN101751866 A CN 101751866A
- Authority
- CN
- China
- Prior art keywords
- brightness
- backlight
- control signal
- brightness control
- frame period
- 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
Links
- 238000000034 method Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 description 38
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000003702 image correction Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/12—Controlling the intensity of the light using optical feedback
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- 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
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the 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
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
-
- 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
- G09G2360/14—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
-
- 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
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)
- Liquid Crystal (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-319692 | 2008-12-16 | ||
JP2008319692A JP5307527B2 (ja) | 2008-12-16 | 2008-12-16 | 表示装置、表示パネルドライバ、及びバックライト駆動方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101751866A true CN101751866A (zh) | 2010-06-23 |
CN101751866B CN101751866B (zh) | 2014-06-25 |
Family
ID=42284328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910260502.7A Active CN101751866B (zh) | 2008-12-16 | 2009-12-16 | 用于面板显示装置的背光亮度控制 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8358264B2 (zh) |
JP (1) | JP5307527B2 (zh) |
CN (1) | CN101751866B (zh) |
Cited By (30)
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CN101872597A (zh) * | 2010-07-21 | 2010-10-27 | 福建捷联电子有限公司 | 智能控制亮度感应的方法 |
CN102692746A (zh) * | 2011-03-25 | 2012-09-26 | 索尼公司 | 显示装置及照明单元 |
CN102779496A (zh) * | 2011-05-13 | 2012-11-14 | 群康科技(深圳)有限公司 | 时序控制器、转换器及三维显示器的控制系统 |
CN104871452A (zh) * | 2012-12-27 | 2015-08-26 | 松下电器(美国)知识产权公司 | 显示方法 |
CN106504717A (zh) * | 2016-12-27 | 2017-03-15 | 惠科股份有限公司 | 一种显示装置的驱动方法及显示装置 |
US9613596B2 (en) | 2012-12-27 | 2017-04-04 | Panasonic Intellectual Property Corporation Of America | Video display method using visible light communication image including stripe patterns having different pitches |
US9635278B2 (en) | 2012-12-27 | 2017-04-25 | Panasonic Intellectual Property Corporation Of America | Information communication method for obtaining information specified by striped pattern of bright lines |
US9641766B2 (en) | 2012-12-27 | 2017-05-02 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US9756255B2 (en) | 2012-12-27 | 2017-09-05 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US9768869B2 (en) | 2012-12-27 | 2017-09-19 | Panasonic Intellectual Property Corporation Of America | Information communication method |
CN107424573A (zh) * | 2017-07-31 | 2017-12-01 | 明基电通有限公司 | 显示影像的方法及显示系统 |
US9859980B2 (en) | 2012-12-27 | 2018-01-02 | Panasonic Intellectual Property Corporation Of America | Information processing program, reception program, and information processing apparatus |
CN107613206A (zh) * | 2017-09-28 | 2018-01-19 | 努比亚技术有限公司 | 一种图像处理方法、移动终端及计算机可读存储介质 |
US9918016B2 (en) | 2012-12-27 | 2018-03-13 | Panasonic Intellectual Property Corporation Of America | Information communication apparatus, method, and recording medium using switchable normal mode and visible light communication mode |
US9998220B2 (en) | 2012-12-27 | 2018-06-12 | Panasonic Intellectual Property Corporation Of America | Transmitting method, transmitting apparatus, and program |
CN108476567A (zh) * | 2015-12-23 | 2018-08-31 | 黑拉有限责任两合公司 | 发光二极管组件以及用于使发光二极管组件的发光二极管减光的以及方法 |
CN108877738A (zh) * | 2018-06-20 | 2018-11-23 | 广东美的环境电器制造有限公司 | 显示面板辉度控制方法和电路、取暖器 |
US10148354B2 (en) | 2012-12-27 | 2018-12-04 | Panasonic Intellectual Property Corporation Of America | Luminance change information communication method |
US10225014B2 (en) | 2012-12-27 | 2019-03-05 | Panasonic Intellectual Property Corporation Of America | Information communication method for obtaining information using ID list and bright line image |
US10303945B2 (en) | 2012-12-27 | 2019-05-28 | Panasonic Intellectual Property Corporation Of America | Display method and display apparatus |
CN110503925A (zh) * | 2019-09-02 | 2019-11-26 | 深圳利亚德光电有限公司 | 显示屏的背光亮度的调节方法、装置、存储介质和处理器 |
US10523876B2 (en) | 2012-12-27 | 2019-12-31 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US10530486B2 (en) | 2012-12-27 | 2020-01-07 | Panasonic Intellectual Property Corporation Of America | Transmitting method, transmitting apparatus, and program |
US10951310B2 (en) | 2012-12-27 | 2021-03-16 | Panasonic Intellectual Property Corporation Of America | Communication method, communication device, and transmitter |
TWI729742B (zh) * | 2020-03-23 | 2021-06-01 | 友達光電股份有限公司 | 顯示裝置 |
CN113129845A (zh) * | 2021-04-12 | 2021-07-16 | Tcl华星光电技术有限公司 | 一种背光驱动方法及显示面板 |
CN113870804A (zh) * | 2021-10-18 | 2021-12-31 | 北京显芯科技有限公司 | 背光控制系统、方法、设备及存储介质 |
WO2022027428A1 (en) * | 2020-08-06 | 2022-02-10 | Huawei Technologies Co., Ltd. | Blank sub-field driving method for a display device |
WO2024020740A1 (zh) * | 2022-07-25 | 2024-02-01 | 京东方科技集团股份有限公司 | 背光模组及其驱动方法、显示面板、显示装置 |
US12183292B2 (en) | 2021-04-12 | 2024-12-31 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight driving method and display panel |
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TW201029515A (en) * | 2009-01-23 | 2010-08-01 | Wistron Corp | Electronic device, a control system and a method of controlling a light-emitting element thereof |
KR101651270B1 (ko) * | 2009-12-24 | 2016-08-29 | 삼성디스플레이 주식회사 | 입체 영상 표시 장치 및 그 구동 방법 |
KR101366964B1 (ko) * | 2009-12-30 | 2014-02-24 | 엘지디스플레이 주식회사 | 액정표시장치 |
US9490792B2 (en) * | 2010-02-10 | 2016-11-08 | Freescale Semiconductor, Inc. | Pulse width modulation with effective high duty resolution |
KR20120020843A (ko) * | 2010-08-31 | 2012-03-08 | 삼성전자주식회사 | 디스플레이장치 및 이에 구비된 백라이트를 구동하는 구동회로장치 |
US8599915B2 (en) | 2011-02-11 | 2013-12-03 | Freescale Semiconductor, Inc. | Phase-shifted pulse width modulation signal generation device and method therefor |
US8654068B2 (en) | 2011-07-15 | 2014-02-18 | Apple Inc. | Enhanced resolution of luminance levels in a backlight unit of a display device |
JP5270730B2 (ja) * | 2011-08-03 | 2013-08-21 | シャープ株式会社 | 映像表示装置 |
CN103918022B (zh) * | 2011-11-11 | 2016-10-12 | 杜比实验室特许公司 | 用于显示器的背光以及显示系统 |
TWI451398B (zh) * | 2011-12-12 | 2014-09-01 | Mstar Semiconductor Inc | 節能顯示的方法與相關裝置 |
CN103177707B (zh) * | 2011-12-26 | 2015-06-03 | 晨星软件研发(深圳)有限公司 | 节能显示的方法与相关装置 |
US9166810B2 (en) | 2012-05-24 | 2015-10-20 | Panasonic Intellectual Property Corporation Of America | Information communication device of obtaining information by demodulating a bright line pattern included in an image |
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JP5702825B2 (ja) * | 2013-04-22 | 2015-04-15 | ファナック株式会社 | 液晶表示装置のledバックライトのドライバ回路 |
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CN105139809B (zh) * | 2015-09-01 | 2018-06-12 | 青岛海信电器股份有限公司 | 液晶显示亮度控制方法和装置以及液晶显示设备 |
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CN105185353B (zh) | 2015-10-16 | 2018-05-18 | 青岛海信电器股份有限公司 | 液晶显示亮度控制方法和装置以及液晶显示设备 |
US10263515B2 (en) * | 2016-04-14 | 2019-04-16 | Licon Technology Corporation | Quasi-analog digital pulse-width modulation control |
CN106205521B (zh) * | 2016-07-08 | 2018-10-23 | 武汉华星光电技术有限公司 | 一种显示面板的驱动方法及驱动装置 |
US10347213B2 (en) | 2016-08-18 | 2019-07-09 | Mediatek Inc. | Methods for adjusting panel brightness and brightness adjustment system |
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CN109166521B (zh) * | 2018-09-27 | 2020-10-02 | 武汉天马微电子有限公司 | 有机发光显示面板的驱动方法、驱动芯片和显示装置 |
JP2020204698A (ja) * | 2019-06-17 | 2020-12-24 | 株式会社ジャパンディスプレイ | 表示装置 |
CN112669741B (zh) * | 2019-10-16 | 2023-01-03 | 北京小米移动软件有限公司 | 发光控制方法及装置、电子设备 |
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Cited By (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101872597A (zh) * | 2010-07-21 | 2010-10-27 | 福建捷联电子有限公司 | 智能控制亮度感应的方法 |
CN102692746A (zh) * | 2011-03-25 | 2012-09-26 | 索尼公司 | 显示装置及照明单元 |
CN102692746B (zh) * | 2011-03-25 | 2016-03-09 | 株式会社日本显示器 | 显示装置及照明单元 |
CN102779496A (zh) * | 2011-05-13 | 2012-11-14 | 群康科技(深圳)有限公司 | 时序控制器、转换器及三维显示器的控制系统 |
US8957834B2 (en) | 2011-05-13 | 2015-02-17 | Innolux Corporation | Timing controller with frequency modulation, converter with frequency modulation for scanning-based backlight unit module, and control system for 3D display |
US10218914B2 (en) | 2012-12-20 | 2019-02-26 | Panasonic Intellectual Property Corporation Of America | Information communication apparatus, method and recording medium using switchable normal mode and visible light communication mode |
US10361780B2 (en) | 2012-12-27 | 2019-07-23 | Panasonic Intellectual Property Corporation Of America | Information processing program, reception program, and information processing apparatus |
US10951310B2 (en) | 2012-12-27 | 2021-03-16 | Panasonic Intellectual Property Corporation Of America | Communication method, communication device, and transmitter |
US9635278B2 (en) | 2012-12-27 | 2017-04-25 | Panasonic Intellectual Property Corporation Of America | Information communication method for obtaining information specified by striped pattern of bright lines |
US9641766B2 (en) | 2012-12-27 | 2017-05-02 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US9646568B2 (en) | 2012-12-27 | 2017-05-09 | Panasonic Intellectual Property Corporation Of America | Display method |
US9756255B2 (en) | 2012-12-27 | 2017-09-05 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US9768869B2 (en) | 2012-12-27 | 2017-09-19 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US9794489B2 (en) | 2012-12-27 | 2017-10-17 | Panasonic Intellectual Property Corporation Of America | Information communication method |
US12088923B2 (en) | 2012-12-27 | 2024-09-10 | Panasonic Intellectual Property Corporation Of America | Information communication method |
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US20100164922A1 (en) | 2010-07-01 |
JP5307527B2 (ja) | 2013-10-02 |
US8358264B2 (en) | 2013-01-22 |
JP2010145488A (ja) | 2010-07-01 |
CN101751866B (zh) | 2014-06-25 |
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