CN114420059B - 背光控制方法、装置及显示设备 - Google Patents
背光控制方法、装置及显示设备 Download PDFInfo
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- CN114420059B CN114420059B CN202111657184.5A CN202111657184A CN114420059B CN 114420059 B CN114420059 B CN 114420059B CN 202111657184 A CN202111657184 A CN 202111657184A CN 114420059 B CN114420059 B CN 114420059B
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- CN
- China
- Prior art keywords
- backlight
- block
- brightness
- value
- brightness value
- 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.)
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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
-
- 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
- G09G3/3406—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
-
- 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
- G02F1/133602—Direct backlight
-
- 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
-
- 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
- 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
- G09G2320/066—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
- 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
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 (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111657184.5A CN114420059B (zh) | 2021-12-31 | 2021-12-31 | 背光控制方法、装置及显示设备 |
US18/091,575 US12165603B2 (en) | 2021-12-31 | 2022-12-30 | Method and apparatus for backlight control and display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111657184.5A CN114420059B (zh) | 2021-12-31 | 2021-12-31 | 背光控制方法、装置及显示设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114420059A CN114420059A (zh) | 2022-04-29 |
CN114420059B true CN114420059B (zh) | 2023-12-12 |
Family
ID=81268658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111657184.5A Active CN114420059B (zh) | 2021-12-31 | 2021-12-31 | 背光控制方法、装置及显示设备 |
Country Status (2)
Country | Link |
---|---|
US (1) | US12165603B2 (zh) |
CN (1) | CN114420059B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111816112B (zh) * | 2020-07-24 | 2022-04-08 | 昆山国显光电有限公司 | 显示面板的补偿参数确定方法及装置 |
CN115798419A (zh) * | 2022-11-24 | 2023-03-14 | 北京奕斯伟计算技术股份有限公司 | 背光调整方法、装置、终端及存储介质 |
CN115862552A (zh) * | 2022-11-24 | 2023-03-28 | 北京奕斯伟计算技术股份有限公司 | 背光调整方法、装置、终端及存储介质 |
CN115953333A (zh) * | 2023-03-15 | 2023-04-11 | 杭州魔点科技有限公司 | 一种动态背光补偿方法和系统 |
CN118942414B (zh) * | 2024-09-20 | 2025-03-25 | 深圳市驰晶科技有限公司 | miniLED亮度均匀度的调节方法 |
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 |
CN102324222A (zh) * | 2011-08-09 | 2012-01-18 | 旭曜科技股份有限公司 | 用于背光区域控制系统中显示画面影像的补偿装置及方法 |
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CN107689214A (zh) * | 2016-08-05 | 2018-02-13 | 青岛海信电器股份有限公司 | 一种智能显示设备的背光调节方法和装置 |
CN107978282A (zh) * | 2017-12-18 | 2018-05-01 | 惠科股份有限公司 | 显示装置及其驱动方法 |
CN110992898A (zh) * | 2019-12-05 | 2020-04-10 | 聚好看科技股份有限公司 | 一种多分区背光控制的方法及设备 |
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US20080042927A1 (en) * | 2006-08-16 | 2008-02-21 | Samsung Electronics Co., Ltd. | Display apparatus and method of adjusting brightness thereof |
US20090015917A1 (en) * | 2007-06-27 | 2009-01-15 | Sony Corporation | Three-dimensional image display apparatus |
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TWI440015B (zh) * | 2007-10-18 | 2014-06-01 | Au Optronics Corp | 液晶顯示器中之影像處理方法 |
US8493313B2 (en) * | 2008-02-13 | 2013-07-23 | Dolby Laboratories Licensing Corporation | Temporal filtering of video signals |
US8358293B2 (en) * | 2008-04-29 | 2013-01-22 | Samsung Display Co., Ltd. | Method for driving light source blocks, driving unit for performing the method and display apparatus having the driving unit |
JP2011059177A (ja) * | 2009-09-07 | 2011-03-24 | Hitachi Consumer Electronics Co Ltd | 液晶表示装置及びバックライト制御方法 |
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US8451211B2 (en) * | 2010-01-13 | 2013-05-28 | Mediatek Inc. | Dimming control apparatus and method for generating dimming control signal by referring to distribution information/multiple characteristic values derived from pixel values |
JP5693745B2 (ja) * | 2010-12-17 | 2015-04-01 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 表示パネル用量子ドット |
TWI433115B (zh) * | 2011-07-12 | 2014-04-01 | Orise Technology Co Ltd | 用於背光區域調光系統中顯示畫面影像之補償裝置及方法 |
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2022
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CN107689214A (zh) * | 2016-08-05 | 2018-02-13 | 青岛海信电器股份有限公司 | 一种智能显示设备的背光调节方法和装置 |
CN107978282A (zh) * | 2017-12-18 | 2018-05-01 | 惠科股份有限公司 | 显示装置及其驱动方法 |
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Also Published As
Publication number | Publication date |
---|---|
US12165603B2 (en) | 2024-12-10 |
US20230215392A1 (en) | 2023-07-06 |
CN114420059A (zh) | 2022-04-29 |
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Address after: 314000 room 263, block B, science and innovation center, 128 Shuanglian Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Applicant after: Haining yisiwei IC Design Co.,Ltd. Applicant after: Beijing ESWIN Computing Technology Co.,Ltd. Address before: 314000 room 263, block B, science and innovation center, 128 Shuanglian Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Applicant before: Haining yisiwei IC Design Co.,Ltd. Applicant before: Beijing yisiwei Computing Technology Co.,Ltd. |
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Address after: 314000 room 263, block B, science and innovation center, 128 Shuanglian Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining Yisiwei Computing Technology Co.,Ltd. Country or region after: China Patentee after: Beijing ESWIN Computing Technology Co.,Ltd. Address before: 314000 room 263, block B, science and innovation center, 128 Shuanglian Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Patentee before: Haining yisiwei IC Design Co.,Ltd. Country or region before: China Patentee before: Beijing ESWIN Computing Technology Co.,Ltd. |