CN102237064A - 液晶显示装置和背光源的控制方法 - Google Patents
液晶显示装置和背光源的控制方法 Download PDFInfo
- Publication number
- CN102237064A CN102237064A CN2011101032468A CN201110103246A CN102237064A CN 102237064 A CN102237064 A CN 102237064A CN 2011101032468 A CN2011101032468 A CN 2011101032468A CN 201110103246 A CN201110103246 A CN 201110103246A CN 102237064 A CN102237064 A CN 102237064A
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- light modulation
- liquid crystal
- backlight
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims description 11
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000004364 calculation method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000003702 image correction Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 240000004160 Capsicum annuum Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 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
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across 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
- G09G2320/02—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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0606—Manual adjustment
-
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0653—Controlling or limiting the speed of brightness adjustment 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
- 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 (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010103355A JP5337757B2 (ja) | 2010-04-28 | 2010-04-28 | 液晶表示装置及びバックライトの制御方法 |
JP2010-103355 | 2010-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102237064A true CN102237064A (zh) | 2011-11-09 |
CN102237064B CN102237064B (zh) | 2014-10-29 |
Family
ID=44117502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110103246.8A Active CN102237064B (zh) | 2010-04-28 | 2011-04-18 | 液晶显示装置和背光源的控制方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8896638B2 (zh) |
EP (1) | EP2383722A3 (zh) |
JP (1) | JP5337757B2 (zh) |
CN (1) | CN102237064B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104272375A (zh) * | 2012-05-14 | 2015-01-07 | 夏普株式会社 | 图像显示装置、图像显示方法以及程序 |
CN108322683A (zh) * | 2012-06-14 | 2018-07-24 | 索尼公司 | 显示单元、图像处理单元和显示方法 |
CN109064979A (zh) * | 2018-09-07 | 2018-12-21 | 京东方科技集团股份有限公司 | 图像显示处理方法及装置、显示装置及存储介质 |
CN110021266A (zh) * | 2018-01-10 | 2019-07-16 | 三星显示有限公司 | 有机发光显示设备及其驱动方法 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5661336B2 (ja) | 2010-05-28 | 2015-01-28 | 日立マクセル株式会社 | 液晶表示装置 |
JP2014068145A (ja) * | 2012-09-25 | 2014-04-17 | Kyocera Corp | 携帯端末、表示制御プログラムおよび表示制御方法 |
JP2013167876A (ja) * | 2013-02-04 | 2013-08-29 | Sharp Corp | 映像表示装置およびテレビ受信装置 |
JP2014194499A (ja) * | 2013-03-29 | 2014-10-09 | Panasonic Liquid Crystal Display Co Ltd | 液晶表示装置及びその駆動方法 |
JP2016038567A (ja) * | 2014-08-08 | 2016-03-22 | キヤノン株式会社 | 表示装置及びその制御方法 |
US10593292B2 (en) | 2015-03-23 | 2020-03-17 | Dolby Laboratories Licensing Corporation | Dynamic power management for an HDR display |
CN106023905B (zh) * | 2016-05-27 | 2019-05-10 | 京东方科技集团股份有限公司 | 控制显示设备的方法、显示设备的控制装置以及显示设备 |
US10803828B2 (en) | 2017-02-24 | 2020-10-13 | Apple Inc. | Locally adaptive backlight control |
TWI649600B (zh) * | 2018-01-12 | 2019-02-01 | 友達光電股份有限公司 | 訊號處理方法及顯示裝置 |
CN108389553B (zh) * | 2018-03-27 | 2021-01-12 | 深圳创维-Rgb电子有限公司 | 背光控制方法、装置及计算机可读存储介质 |
US20200202798A1 (en) * | 2018-12-24 | 2020-06-25 | Lincoln Technology Solutions, Inc. | Video Pipeline Pixel Analysis for Full Array Local Dimming |
KR102638182B1 (ko) * | 2018-12-26 | 2024-02-16 | 엘지전자 주식회사 | 영상표시장치 |
US11842702B2 (en) * | 2020-11-13 | 2023-12-12 | Canon Kabushiki Kaisha | Liquid crystal display apparatus capable of changing backlight emission brightness |
US11972739B2 (en) | 2021-02-26 | 2024-04-30 | Nichia Corporation | Luminance control of backlight in display of image |
TWI786719B (zh) * | 2021-07-13 | 2022-12-11 | 義隆電子股份有限公司 | 改善顯示器的光暈效應的方法 |
CN115841802B (zh) * | 2023-02-27 | 2023-06-16 | 长春希达电子技术有限公司 | 一种实现Mini LED液晶背光控制方法的控制系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1619630A (zh) * | 2003-11-17 | 2005-05-25 | Lg.菲利浦Lcd株式会社 | 用于驱动液晶显示器的方法和装置 |
EP1914711A1 (en) * | 2006-10-18 | 2008-04-23 | Kabushiki Kaisha Toshiba | Light source control unit and light source control method |
CN101211537A (zh) * | 2006-12-31 | 2008-07-02 | 深圳Tcl工业研究院有限公司 | 液晶电视背光控制系统及方法 |
WO2009101727A1 (ja) * | 2008-02-14 | 2009-08-20 | Sharp Kabushiki Kaisha | 表示装置 |
US20100073276A1 (en) * | 2008-09-23 | 2010-03-25 | Sharp Kabushiki Kaisha | Backlight luminance control apparatus and video display apparatus |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4689204B2 (ja) | 2004-07-16 | 2011-05-25 | シャープ株式会社 | 画像表示装置 |
JP2008176211A (ja) * | 2007-01-22 | 2008-07-31 | Hitachi Ltd | 液晶表示装置及びその輝度制御方法 |
JP4589368B2 (ja) * | 2007-05-31 | 2010-12-01 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
JP5250339B2 (ja) | 2008-08-25 | 2013-07-31 | 株式会社日立製作所 | 画像表示装置 |
JP4968219B2 (ja) * | 2008-09-18 | 2012-07-04 | 株式会社Jvcケンウッド | 液晶表示装置及びこれに用いる映像表示方法 |
JP2010175913A (ja) | 2009-01-30 | 2010-08-12 | Hitachi Ltd | 画像表示装置 |
US20100225640A1 (en) * | 2009-03-03 | 2010-09-09 | Vieri Carlin J | Switching Operating Modes of Liquid Crystal Displays |
JP4783468B1 (ja) | 2010-04-13 | 2011-09-28 | 株式会社東芝 | 輝度制御装置 |
-
2010
- 2010-04-28 JP JP2010103355A patent/JP5337757B2/ja active Active
-
2011
- 2011-04-15 EP EP11162608A patent/EP2383722A3/en not_active Withdrawn
- 2011-04-15 US US13/088,207 patent/US8896638B2/en active Active
- 2011-04-18 CN CN201110103246.8A patent/CN102237064B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1619630A (zh) * | 2003-11-17 | 2005-05-25 | Lg.菲利浦Lcd株式会社 | 用于驱动液晶显示器的方法和装置 |
EP1914711A1 (en) * | 2006-10-18 | 2008-04-23 | Kabushiki Kaisha Toshiba | Light source control unit and light source control method |
CN101211537A (zh) * | 2006-12-31 | 2008-07-02 | 深圳Tcl工业研究院有限公司 | 液晶电视背光控制系统及方法 |
WO2009101727A1 (ja) * | 2008-02-14 | 2009-08-20 | Sharp Kabushiki Kaisha | 表示装置 |
US20100073276A1 (en) * | 2008-09-23 | 2010-03-25 | Sharp Kabushiki Kaisha | Backlight luminance control apparatus and video display apparatus |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104272375A (zh) * | 2012-05-14 | 2015-01-07 | 夏普株式会社 | 图像显示装置、图像显示方法以及程序 |
CN108322683A (zh) * | 2012-06-14 | 2018-07-24 | 索尼公司 | 显示单元、图像处理单元和显示方法 |
CN108322683B (zh) * | 2012-06-14 | 2020-09-15 | 索尼公司 | 显示设备和图像处理设备 |
CN110021266A (zh) * | 2018-01-10 | 2019-07-16 | 三星显示有限公司 | 有机发光显示设备及其驱动方法 |
CN109064979A (zh) * | 2018-09-07 | 2018-12-21 | 京东方科技集团股份有限公司 | 图像显示处理方法及装置、显示装置及存储介质 |
US10923046B2 (en) | 2018-09-07 | 2021-02-16 | Beijing Boe Optoelectronics Technology Co., Ltd. | Image display processing method and device, display device and non-volatile storage medium |
Also Published As
Publication number | Publication date |
---|---|
JP5337757B2 (ja) | 2013-11-06 |
EP2383722A2 (en) | 2011-11-02 |
EP2383722A3 (en) | 2012-02-22 |
CN102237064B (zh) | 2014-10-29 |
JP2011232590A (ja) | 2011-11-17 |
US20110267379A1 (en) | 2011-11-03 |
US8896638B2 (en) | 2014-11-25 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150401 |
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TR01 | Transfer of patent right |
Effective date of registration: 20150401 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20171212 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220510 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |
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TR01 | Transfer of patent right |