CN104616625B - 液晶显示器背光控制 - Google Patents
液晶显示器背光控制 Download PDFInfo
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- CN104616625B CN104616625B CN201510084646.7A CN201510084646A CN104616625B CN 104616625 B CN104616625 B CN 104616625B CN 201510084646 A CN201510084646 A CN 201510084646A CN 104616625 B CN104616625 B CN 104616625B
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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
- G09G3/36—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
-
- 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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- 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
- 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
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
-
- 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
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0238—Improving the black level
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
-
- 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
- G09G2320/066—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
- G09G2320/00—Control of display operating conditions
- G09G2320/10—Special adaptations of display systems for operation with variable images
-
- 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
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
-
- 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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18002209P | 2009-05-20 | 2009-05-20 | |
US61/180,022 | 2009-05-20 | ||
CN201080022062.2A CN102428511B (zh) | 2009-05-20 | 2010-05-19 | 液晶显示器背光控制 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080022062.2A Division CN102428511B (zh) | 2009-05-20 | 2010-05-19 | 液晶显示器背光控制 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104616625A CN104616625A (zh) | 2015-05-13 |
CN104616625B true CN104616625B (zh) | 2017-06-13 |
Family
ID=42697458
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080022062.2A Active CN102428511B (zh) | 2009-05-20 | 2010-05-19 | 液晶显示器背光控制 |
CN201510084646.7A Active CN104616625B (zh) | 2009-05-20 | 2010-05-19 | 液晶显示器背光控制 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080022062.2A Active CN102428511B (zh) | 2009-05-20 | 2010-05-19 | 液晶显示器背光控制 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8711083B2 (zh) |
EP (1) | EP2433274A1 (zh) |
JP (1) | JP5495279B2 (zh) |
KR (1) | KR101801306B1 (zh) |
CN (2) | CN102428511B (zh) |
WO (1) | WO2010135438A1 (zh) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
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US8334866B2 (en) * | 2009-09-17 | 2012-12-18 | Intellectual Discovery Co., Ltd. | Methods, systems, devices and components for reducing power consumption in an LCD backlit by LEDs |
JP5542409B2 (ja) * | 2009-10-27 | 2014-07-09 | 三菱電機株式会社 | マルチ画面表示装置 |
KR101329969B1 (ko) * | 2010-07-09 | 2013-11-13 | 엘지디스플레이 주식회사 | 액정 표시 장치와 그의 로컬 디밍 구동 방법 |
JP5773636B2 (ja) * | 2010-12-17 | 2015-09-02 | キヤノン株式会社 | 表示制御装置及びその制御方法 |
KR101802999B1 (ko) * | 2011-02-07 | 2017-11-30 | 삼성디스플레이 주식회사 | 액정 표시 장치의 구동 방법 |
JP5452666B2 (ja) | 2011-08-04 | 2014-03-26 | シャープ株式会社 | 映像表示装置 |
JP2013142869A (ja) * | 2012-01-12 | 2013-07-22 | Sharp Corp | 表示装置およびその制御方法 |
KR102023930B1 (ko) * | 2012-12-04 | 2019-09-23 | 엘지디스플레이 주식회사 | 액정 표시장치 및 그 구동방법 |
JP5901685B2 (ja) * | 2013-05-29 | 2016-04-13 | キヤノン株式会社 | 画像表示装置及びその制御方法 |
JP2014232993A (ja) * | 2013-05-29 | 2014-12-11 | 船井電機株式会社 | Av機器 |
JP6818781B2 (ja) * | 2013-06-14 | 2021-01-20 | キヤノン株式会社 | 表示装置及びその制御方法 |
JP2015018219A (ja) * | 2013-06-14 | 2015-01-29 | キヤノン株式会社 | 画像表示装置及びその制御方法 |
KR102115463B1 (ko) * | 2013-12-10 | 2020-05-26 | 엘지디스플레이 주식회사 | 액정표시장치 및 이의 구동방법 |
JP2015191630A (ja) * | 2014-03-28 | 2015-11-02 | 富士通株式会社 | 情報処理装置、変更検出方法および変更検出プログラム |
CN104050934B (zh) | 2014-05-28 | 2016-03-23 | 京东方科技集团股份有限公司 | 背光调节方法、背光调节系统和显示装置 |
JP2016004099A (ja) * | 2014-06-16 | 2016-01-12 | 株式会社ジャパンディスプレイ | 表示装置及び表示方法 |
US9483982B1 (en) * | 2015-05-05 | 2016-11-01 | Dreamscreen Llc | Apparatus and method for television backlignting |
US9984638B2 (en) | 2015-08-18 | 2018-05-29 | Apple Inc. | High refresh rate displays with synchronized local dimming |
CN106228936B (zh) * | 2016-09-28 | 2019-01-22 | 青岛海信电器股份有限公司 | 背光亮度控制方法、装置及液晶显示设备 |
KR102646685B1 (ko) * | 2016-12-23 | 2024-03-13 | 삼성전자주식회사 | 디스플레이 장치 및 그 제어 방법 |
US10515595B2 (en) | 2016-12-23 | 2019-12-24 | Samsung Electronics Co., Ltd. | Display apparatus and method for driving the same |
JP2018124458A (ja) * | 2017-02-01 | 2018-08-09 | パナソニック液晶ディスプレイ株式会社 | 液晶バックライト装置及び表示装置 |
US10424257B2 (en) * | 2017-11-14 | 2019-09-24 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight driving method and backlight driving device |
CN108281125B (zh) * | 2018-01-05 | 2021-04-20 | 华为技术有限公司 | 根据人眼特性进行背光亮度调节的方法、装置和设备 |
US10643528B2 (en) * | 2018-01-23 | 2020-05-05 | Valve Corporation | Rolling burst illumination for a display |
KR102342626B1 (ko) | 2018-03-13 | 2021-12-23 | 애플 인크. | 직하형 백라이트 유닛들을 갖는 디스플레이들 |
TWI672978B (zh) * | 2018-05-02 | 2019-09-21 | 奇景光電股份有限公司 | 區域調光的背光源調整方法與顯示裝置 |
KR102649063B1 (ko) | 2018-10-24 | 2024-03-20 | 삼성전자주식회사 | 디스플레이 장치 및 그 구동 방법 |
US20200202798A1 (en) * | 2018-12-24 | 2020-06-25 | Lincoln Technology Solutions, Inc. | Video Pipeline Pixel Analysis for Full Array Local Dimming |
CN109686324B (zh) * | 2019-02-28 | 2020-08-14 | 厦门天马微电子有限公司 | 显示装置的显示方法和显示装置 |
CN112750405A (zh) * | 2019-10-31 | 2021-05-04 | 合肥京东方显示技术有限公司 | 显示装置及其驱动方法和装置、计算机可读存储介质 |
US11445123B2 (en) | 2020-09-28 | 2022-09-13 | Brompton Technology Ltd. | System and method for PWM control of a video display screen |
CN116635928A (zh) * | 2020-12-28 | 2023-08-22 | 华为技术有限公司 | 一种用于控制显示设备的方法 |
US20230317023A1 (en) * | 2022-04-05 | 2023-10-05 | Meta Platforms Technologies, Llc | Local dimming for artificial reality systems |
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CN1971696A (zh) * | 2006-12-11 | 2007-05-30 | 友达光电股份有限公司 | 影像分区亮度控制方法 |
CN101086573A (zh) * | 2006-06-09 | 2007-12-12 | 三星电子株式会社 | 液晶显示器和调节液晶显示器亮度的方法 |
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CN101393727A (zh) * | 2007-09-21 | 2009-03-25 | 北京京东方光电科技有限公司 | 液晶显示装置高动态对比度的处理装置和处理方法 |
CN101414437A (zh) * | 2007-10-19 | 2009-04-22 | 青岛海信电器股份有限公司 | 液晶显示方法及液晶显示装置 |
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JP3766231B2 (ja) * | 1999-05-10 | 2006-04-12 | Necビューテクノロジー株式会社 | 液晶表示装置 |
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JP3523170B2 (ja) * | 2000-09-21 | 2004-04-26 | 株式会社東芝 | 表示装置 |
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JP4488803B2 (ja) * | 2004-06-23 | 2010-06-23 | 株式会社東芝 | 液晶表示装置 |
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KR101329969B1 (ko) * | 2010-07-09 | 2013-11-13 | 엘지디스플레이 주식회사 | 액정 표시 장치와 그의 로컬 디밍 구동 방법 |
-
2010
- 2010-05-19 EP EP10725316A patent/EP2433274A1/en not_active Withdrawn
- 2010-05-19 WO PCT/US2010/035425 patent/WO2010135438A1/en active Application Filing
- 2010-05-19 CN CN201080022062.2A patent/CN102428511B/zh active Active
- 2010-05-19 JP JP2012511995A patent/JP5495279B2/ja active Active
- 2010-05-19 US US12/783,123 patent/US8711083B2/en active Active
- 2010-05-19 CN CN201510084646.7A patent/CN104616625B/zh active Active
- 2010-05-19 KR KR1020117026228A patent/KR101801306B1/ko active IP Right Grant
-
2014
- 2014-03-28 US US14/228,544 patent/US8860657B2/en active Active
Patent Citations (6)
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CN101086573A (zh) * | 2006-06-09 | 2007-12-12 | 三星电子株式会社 | 液晶显示器和调节液晶显示器亮度的方法 |
WO2008062591A1 (fr) * | 2006-11-20 | 2008-05-29 | Sharp Kabushiki Kaisha | Procédé de commande d'appareil d'affichage, circuit d'amplification, appareil d'affichage à cristaux liquides et récepteur de télévision |
CN1971696A (zh) * | 2006-12-11 | 2007-05-30 | 友达光电股份有限公司 | 影像分区亮度控制方法 |
CN101364384A (zh) * | 2007-08-06 | 2009-02-11 | 深圳Tcl工业研究院有限公司 | 一种液晶图像处理的方法及装置 |
CN101393727A (zh) * | 2007-09-21 | 2009-03-25 | 北京京东方光电科技有限公司 | 液晶显示装置高动态对比度的处理装置和处理方法 |
CN101414437A (zh) * | 2007-10-19 | 2009-04-22 | 青岛海信电器股份有限公司 | 液晶显示方法及液晶显示装置 |
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CN104616625A (zh) | 2015-05-13 |
JP5495279B2 (ja) | 2014-05-21 |
EP2433274A1 (en) | 2012-03-28 |
US8860657B2 (en) | 2014-10-14 |
CN102428511B (zh) | 2015-09-09 |
KR101801306B1 (ko) | 2017-11-24 |
JP2012527652A (ja) | 2012-11-08 |
WO2010135438A1 (en) | 2010-11-25 |
CN102428511A (zh) | 2012-04-25 |
US20100295767A1 (en) | 2010-11-25 |
US20140225935A1 (en) | 2014-08-14 |
KR20120022867A (ko) | 2012-03-12 |
US8711083B2 (en) | 2014-04-29 |
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