CN101593508A - 基于直方图的动态背光控制系统和方法 - Google Patents
基于直方图的动态背光控制系统和方法 Download PDFInfo
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- CN101593508A CN101593508A CNA200910149799XA CN200910149799A CN101593508A CN 101593508 A CN101593508 A CN 101593508A CN A200910149799X A CNA200910149799X A CN A200910149799XA CN 200910149799 A CN200910149799 A CN 200910149799A CN 101593508 A CN101593508 A CN 101593508A
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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
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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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- 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
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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
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- 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
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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
- 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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/123,414 | 2008-05-19 | ||
US12/123,414 US8139021B2 (en) | 2008-05-19 | 2008-05-19 | Histogram-based dynamic backlight control systems and methods |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101593508A true CN101593508A (zh) | 2009-12-02 |
CN101593508B CN101593508B (zh) | 2014-12-10 |
Family
ID=40825254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910149799.XA Active CN101593508B (zh) | 2008-05-19 | 2009-05-18 | 基于直方图的动态背光控制系统和方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8139021B2 (zh) |
EP (1) | EP2124218B1 (zh) |
KR (1) | KR101048374B1 (zh) |
CN (1) | CN101593508B (zh) |
Cited By (7)
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CN102095496A (zh) * | 2010-12-06 | 2011-06-15 | 宁波耀泰电器有限公司 | 一种测量动态照度分布的方法 |
TWI472226B (zh) * | 2010-12-09 | 2015-02-01 | Top Victory Invest Ltd | Adaptive display of power consumption and multimedia control device and control method |
CN104575403A (zh) * | 2013-10-22 | 2015-04-29 | 株式会社日本显示器 | 显示装置、显示装置的驱动方法以及电子设备 |
CN105321476A (zh) * | 2014-06-02 | 2016-02-10 | 三星显示有限公司 | 驱动光源的方法、光源设备和具有该光源设备的显示设备 |
CN106373517A (zh) * | 2016-10-31 | 2017-02-01 | 北京集创北方科技股份有限公司 | 显示器及显示方法 |
CN110534063A (zh) * | 2018-05-23 | 2019-12-03 | 奇景光电股份有限公司 | 区域调光的背光源调整方法与显示装置 |
CN114743512A (zh) * | 2022-04-27 | 2022-07-12 | 京东方科技集团股份有限公司 | 屏幕像素点的背光值确定方法、装置、设备及介质 |
Families Citing this family (39)
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JP5258396B2 (ja) * | 2008-06-03 | 2013-08-07 | ローム株式会社 | 液晶表示装置制御回路及び液晶表示システム |
JP5276404B2 (ja) * | 2008-10-03 | 2013-08-28 | 株式会社ジャパンディスプレイ | 表示装置 |
EP2438588A4 (en) * | 2009-06-03 | 2013-01-16 | Mri Inc | DYNAMIC ABDIMM LED TAIL LIGHT |
GB2475260B (en) * | 2009-11-11 | 2015-11-11 | Vidcheck Ltd | A method of digital signal processing |
US8866837B2 (en) | 2010-02-02 | 2014-10-21 | Microsoft Corporation | Enhancement of images for display on liquid crystal displays |
TWI444987B (zh) * | 2010-07-09 | 2014-07-11 | Realtek Semiconductor Corp | 對比調變裝置及其方法 |
US8704844B2 (en) | 2011-05-10 | 2014-04-22 | Microsoft Corporation | Power saving field sequential color |
WO2013044245A1 (en) | 2011-09-23 | 2013-03-28 | Manufacturing Resources International, Inc. | System and method for environmental adaptation of display characteristics |
KR101930880B1 (ko) * | 2012-02-23 | 2018-12-20 | 삼성디스플레이 주식회사 | 액정 표시 장치 및 그 구동 방법 |
US9236029B2 (en) | 2012-09-11 | 2016-01-12 | Apple Inc. | Histogram generation and evaluation for dynamic pixel and backlight control |
US9736443B2 (en) | 2013-03-04 | 2017-08-15 | Intel Corporation | Adaptive image management of a projector system |
US9348174B2 (en) | 2013-03-14 | 2016-05-24 | Manufacturing Resources International, Inc. | Rigid LCD assembly |
CN103325355B (zh) * | 2013-06-18 | 2016-01-20 | 华南理工大学 | 一种基于图像内容动态调节背光亮度的方法 |
US9099028B2 (en) * | 2013-06-28 | 2015-08-04 | Intel Corporation | RGBW dynamic color fidelity control |
US9122954B2 (en) * | 2013-10-01 | 2015-09-01 | Mobileye Vision Technologies Ltd. | Performing a histogram using an array of addressable registers |
US10191212B2 (en) | 2013-12-02 | 2019-01-29 | Manufacturing Resources International, Inc. | Expandable light guide for backlight |
CN103810980B (zh) * | 2014-01-23 | 2016-01-06 | 华南理工大学 | 一种基于图像出现频率的液晶显示器功耗降低方法 |
US20150371605A1 (en) * | 2014-06-23 | 2015-12-24 | Apple Inc. | Pixel Mapping and Rendering Methods for Displays with White Subpixels |
KR20160011293A (ko) * | 2014-07-21 | 2016-02-01 | 삼성디스플레이 주식회사 | 표시 장치 |
US10649273B2 (en) | 2014-10-08 | 2020-05-12 | Manufacturing Resources International, Inc. | LED assembly for transparent liquid crystal display and static graphic |
KR102171467B1 (ko) * | 2014-11-07 | 2020-11-02 | 엘지디스플레이 주식회사 | 데이터 클리핑 방법 및 장치와 이를 이용한 표시장치 |
KR102364380B1 (ko) | 2015-02-23 | 2022-02-18 | 삼성디스플레이 주식회사 | 표시 장치 및 그것의 구동 방법 |
US9924583B2 (en) | 2015-05-14 | 2018-03-20 | Mnaufacturing Resources International, Inc. | Display brightness control based on location data |
US10593255B2 (en) | 2015-05-14 | 2020-03-17 | Manufacturing Resources International, Inc. | Electronic display with environmental adaptation of display characteristics based on location |
US10607520B2 (en) | 2015-05-14 | 2020-03-31 | Manufacturing Resources International, Inc. | Method for environmental adaptation of display characteristics based on location |
US10269156B2 (en) | 2015-06-05 | 2019-04-23 | Manufacturing Resources International, Inc. | System and method for blending order confirmation over menu board background |
US10261362B2 (en) | 2015-09-01 | 2019-04-16 | Manufacturing Resources International, Inc. | Optical sheet tensioner |
JP2019526948A (ja) | 2016-05-31 | 2019-09-19 | マニュファクチャリング・リソーシズ・インターナショナル・インコーポレーテッド | 電子ディスプレイ遠隔画像確認システム及びその方法 |
US10586508B2 (en) | 2016-07-08 | 2020-03-10 | Manufacturing Resources International, Inc. | Controlling display brightness based on image capture device data |
US10510304B2 (en) | 2016-08-10 | 2019-12-17 | Manufacturing Resources International, Inc. | Dynamic dimming LED backlight for LCD array |
US10602110B2 (en) * | 2016-08-26 | 2020-03-24 | Dolby Laboratories Licensing Corporation | Chroma reshaping based on just noticeable differences |
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US11895362B2 (en) | 2021-10-29 | 2024-02-06 | Manufacturing Resources International, Inc. | Proof of play for images displayed at electronic displays |
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US8120570B2 (en) | 2004-12-02 | 2012-02-21 | Sharp Laboratories Of America, Inc. | Systems and methods for tone curve generation, selection and application |
US20090059081A1 (en) | 2006-02-07 | 2009-03-05 | Tte Technology, Inc. | Histogram detector for contrast ratio enhancement system |
KR100815588B1 (ko) * | 2006-08-16 | 2008-03-20 | 삼성전자주식회사 | 디스플레이장치 및 그 밝기조정방법 |
JP4203090B2 (ja) * | 2006-09-21 | 2008-12-24 | 株式会社東芝 | 画像表示装置および画像表示方法 |
JP4882657B2 (ja) * | 2006-10-12 | 2012-02-22 | ソニー株式会社 | バックライト制御装置、バックライト制御方法、および液晶表示装置 |
CN101170642B (zh) * | 2006-10-26 | 2010-08-18 | 深圳Tcl工业研究院有限公司 | 一种视频图像动态处理的方法 |
-
2008
- 2008-05-19 US US12/123,414 patent/US8139021B2/en active Active
- 2008-12-29 KR KR1020080135858A patent/KR101048374B1/ko active IP Right Grant
-
2009
- 2009-05-18 EP EP09251334.0A patent/EP2124218B1/en active Active
- 2009-05-18 CN CN200910149799.XA patent/CN101593508B/zh active Active
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102095496A (zh) * | 2010-12-06 | 2011-06-15 | 宁波耀泰电器有限公司 | 一种测量动态照度分布的方法 |
CN102095496B (zh) * | 2010-12-06 | 2012-09-05 | 宁波耀泰电器有限公司 | 一种测量动态照度分布的方法 |
TWI472226B (zh) * | 2010-12-09 | 2015-02-01 | Top Victory Invest Ltd | Adaptive display of power consumption and multimedia control device and control method |
CN104575403A (zh) * | 2013-10-22 | 2015-04-29 | 株式会社日本显示器 | 显示装置、显示装置的驱动方法以及电子设备 |
CN105321476A (zh) * | 2014-06-02 | 2016-02-10 | 三星显示有限公司 | 驱动光源的方法、光源设备和具有该光源设备的显示设备 |
CN105321476B (zh) * | 2014-06-02 | 2019-03-08 | 三星显示有限公司 | 驱动光源的方法、光源设备和具有该光源设备的显示设备 |
CN106373517A (zh) * | 2016-10-31 | 2017-02-01 | 北京集创北方科技股份有限公司 | 显示器及显示方法 |
CN106373517B (zh) * | 2016-10-31 | 2020-09-04 | 北京集创北方科技股份有限公司 | 显示器及显示方法 |
CN110534063A (zh) * | 2018-05-23 | 2019-12-03 | 奇景光电股份有限公司 | 区域调光的背光源调整方法与显示装置 |
CN110534063B (zh) * | 2018-05-23 | 2021-01-22 | 奇景光电股份有限公司 | 区域调光的背光源调整方法与显示装置 |
CN114743512A (zh) * | 2022-04-27 | 2022-07-12 | 京东方科技集团股份有限公司 | 屏幕像素点的背光值确定方法、装置、设备及介质 |
CN114743512B (zh) * | 2022-04-27 | 2023-12-05 | 京东方科技集团股份有限公司 | 屏幕像素点的背光值确定方法、装置、设备及介质 |
Also Published As
Publication number | Publication date |
---|---|
KR101048374B1 (ko) | 2011-07-11 |
EP2124218B1 (en) | 2016-08-10 |
CN101593508B (zh) | 2014-12-10 |
US8139021B2 (en) | 2012-03-20 |
KR20090120388A (ko) | 2009-11-24 |
EP2124218A3 (en) | 2010-06-02 |
US20090284457A1 (en) | 2009-11-19 |
EP2124218A2 (en) | 2009-11-25 |
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C06 | Publication | ||
PB01 | Publication | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Brown Elliott Candice Hellen Inventor after: Botzas Anthony Inventor after: Hwang Sarah Sunyoung Inventor after: HIGGINS MICHAEL FRANCIS Inventor before: Brown Elliott Candice Hellen |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CANDICE HELEN BROWN ELIOT TO: CANDICE HELEN BROWN ELIOT ANTHONY BOCHASS SARA HANGSUNYO MICHAEL FRANCES HIGGINS |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20130114 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130114 Address after: Gyeonggi Do, South Korea Applicant after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Applicant before: Samsung Electronics Co., Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant |