CN109166532A - 一种背光源的调光控制系统、调光控制方法及显示装置 - Google Patents

一种背光源的调光控制系统、调光控制方法及显示装置 Download PDF

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Publication number
CN109166532A
CN109166532A CN201811107385.6A CN201811107385A CN109166532A CN 109166532 A CN109166532 A CN 109166532A CN 201811107385 A CN201811107385 A CN 201811107385A CN 109166532 A CN109166532 A CN 109166532A
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CN
China
Prior art keywords
control
backlight
row
dimming
data processing
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.)
Pending
Application number
CN201811107385.6A
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English (en)
Chinese (zh)
Inventor
巢铁牛
沈思宽
戴奇峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth RGB Electronics Co Ltd
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Shenzhen Skyworth RGB Electronics Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Shenzhen Skyworth RGB Electronics Co Ltd filed Critical Shenzhen Skyworth RGB Electronics Co Ltd
Priority to CN201811107385.6A priority Critical patent/CN109166532A/zh
Priority to PCT/CN2018/113594 priority patent/WO2020056872A1/fr
Publication of CN109166532A publication Critical patent/CN109166532A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/3406Control of illumination source
    • G09G3/342Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/3406Control of illumination source
    • G09G3/342Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Planar Illumination Modules (AREA)
CN201811107385.6A 2018-09-21 2018-09-21 一种背光源的调光控制系统、调光控制方法及显示装置 Pending CN109166532A (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811107385.6A CN109166532A (zh) 2018-09-21 2018-09-21 一种背光源的调光控制系统、调光控制方法及显示装置
PCT/CN2018/113594 WO2020056872A1 (fr) 2018-09-21 2018-11-02 Système de commande de gradation et procédé de commande de gradation pour source de rétroéclairage, et dispositif d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811107385.6A CN109166532A (zh) 2018-09-21 2018-09-21 一种背光源的调光控制系统、调光控制方法及显示装置

Publications (1)

Publication Number Publication Date
CN109166532A true CN109166532A (zh) 2019-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811107385.6A Pending CN109166532A (zh) 2018-09-21 2018-09-21 一种背光源的调光控制系统、调光控制方法及显示装置

Country Status (2)

Country Link
CN (1) CN109166532A (fr)
WO (1) WO2020056872A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110136654A (zh) * 2019-04-03 2019-08-16 深圳康佳电子科技有限公司 一种调光背光分区调光控制方法、智能终端及存储介质
CN111445867A (zh) * 2020-04-22 2020-07-24 Tcl华星光电技术有限公司 背光分区驱动模组、背光装置及显示装置
CN113077762A (zh) * 2021-03-17 2021-07-06 Tcl华星光电技术有限公司 Mini LED背光模组的驱动方法、驱动电路及显示装置
CN113674623A (zh) * 2021-08-13 2021-11-19 Tcl华星光电技术有限公司 背光灯板、背光模组及显示装置
CN113689782A (zh) * 2021-08-19 2021-11-23 武汉华星光电技术有限公司 背光模组及显示装置
CN113990264A (zh) * 2021-10-28 2022-01-28 深圳创维-Rgb电子有限公司 背光驱动的功率保护方法、系统、显示设备以及存储介质
CN114023273A (zh) * 2021-11-22 2022-02-08 深圳创维-Rgb电子有限公司 局域调光驱动电路、方法、系统及电子设备
CN114141204A (zh) * 2021-11-29 2022-03-04 Tcl华星光电技术有限公司 背光驱动电路及显示装置
CN114267304A (zh) * 2021-12-30 2022-04-01 合肥瑞识智能科技有限公司 一种Mini-LED背光模组及其驱动方法
CN114333714A (zh) * 2021-12-31 2022-04-12 上海中航光电子有限公司 一种背光模组及其调光方法、显示装置
CN115268139A (zh) * 2022-07-12 2022-11-01 Tcl华星光电技术有限公司 显示模组及其背光模组
CN115376472A (zh) * 2022-09-29 2022-11-22 惠科股份有限公司 背光模组、显示模组及电子设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114758627B (zh) * 2022-04-24 2024-03-26 福州京东方光电科技有限公司 一种灯板结构、驱动方法及相关设备

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US20070126656A1 (en) * 2005-12-07 2007-06-07 Industrial Technology Research Institute Illumination brightness and color control system and method therefor
CN102456326A (zh) * 2010-10-21 2012-05-16 福建捷联电子有限公司 一种液晶显示器单输入单输出led灯管控制电路
CN102610207A (zh) * 2012-03-31 2012-07-25 青岛海信电器股份有限公司 液晶显示器驱动方法及液晶显示器、液晶电视
CN102917516A (zh) * 2012-11-14 2013-02-06 深圳市华星光电技术有限公司 解决恒流驱动芯片温度过高的方法及led灯条驱动电路
CN103177698A (zh) * 2013-03-27 2013-06-26 深圳市华星光电技术有限公司 一种led背光驱动电路及背光模组
CN103839529A (zh) * 2014-02-25 2014-06-04 青岛海信电器股份有限公司 一种背光源的驱动系统及方法
CN108399897A (zh) * 2018-05-04 2018-08-14 京东方科技集团股份有限公司 背光驱动电路及方法、背光模组、背光电路和显示装置

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JP4628770B2 (ja) * 2004-02-09 2011-02-09 株式会社日立製作所 照明装置を備えた画像表示装置及び画像表示方法
US20080238336A1 (en) * 2007-03-29 2008-10-02 Hong Kong Applied Science And Technology Research Back-Light Devices and Displays Incorporating Same
WO2012060288A1 (fr) * 2010-11-04 2012-05-10 シャープ株式会社 Dispositif d'affichage et son procédé de pilotage
CN104332140B (zh) * 2014-10-28 2017-04-19 深圳创维-Rgb电子有限公司 用于区域调光的背光驱动系统及区域调光方法
CN107633818B (zh) * 2016-07-18 2019-12-10 群创光电股份有限公司 背光驱动装置及包含其的显示器
CN107945748B (zh) * 2017-12-12 2020-06-23 京东方科技集团股份有限公司 一种背光驱动装置、方法、背光模组以及显示装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070126656A1 (en) * 2005-12-07 2007-06-07 Industrial Technology Research Institute Illumination brightness and color control system and method therefor
CN102456326A (zh) * 2010-10-21 2012-05-16 福建捷联电子有限公司 一种液晶显示器单输入单输出led灯管控制电路
CN102610207A (zh) * 2012-03-31 2012-07-25 青岛海信电器股份有限公司 液晶显示器驱动方法及液晶显示器、液晶电视
CN102917516A (zh) * 2012-11-14 2013-02-06 深圳市华星光电技术有限公司 解决恒流驱动芯片温度过高的方法及led灯条驱动电路
CN103177698A (zh) * 2013-03-27 2013-06-26 深圳市华星光电技术有限公司 一种led背光驱动电路及背光模组
CN103839529A (zh) * 2014-02-25 2014-06-04 青岛海信电器股份有限公司 一种背光源的驱动系统及方法
CN108399897A (zh) * 2018-05-04 2018-08-14 京东方科技集团股份有限公司 背光驱动电路及方法、背光模组、背光电路和显示装置

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110136654A (zh) * 2019-04-03 2019-08-16 深圳康佳电子科技有限公司 一种调光背光分区调光控制方法、智能终端及存储介质
CN111445867A (zh) * 2020-04-22 2020-07-24 Tcl华星光电技术有限公司 背光分区驱动模组、背光装置及显示装置
CN111445867B (zh) * 2020-04-22 2021-08-24 Tcl华星光电技术有限公司 背光分区驱动模组、背光装置及显示装置
CN113077762A (zh) * 2021-03-17 2021-07-06 Tcl华星光电技术有限公司 Mini LED背光模组的驱动方法、驱动电路及显示装置
CN113674623A (zh) * 2021-08-13 2021-11-19 Tcl华星光电技术有限公司 背光灯板、背光模组及显示装置
WO2023019650A1 (fr) * 2021-08-19 2023-02-23 武汉华星光电技术有限公司 Module de rétroéclairage et dispositif d'affichage
CN113689782A (zh) * 2021-08-19 2021-11-23 武汉华星光电技术有限公司 背光模组及显示装置
CN113990264A (zh) * 2021-10-28 2022-01-28 深圳创维-Rgb电子有限公司 背光驱动的功率保护方法、系统、显示设备以及存储介质
CN114023273A (zh) * 2021-11-22 2022-02-08 深圳创维-Rgb电子有限公司 局域调光驱动电路、方法、系统及电子设备
WO2023087494A1 (fr) * 2021-11-22 2023-05-25 深圳创维-Rgb电子有限公司 Circuit, procédé et système de commande de gradation locale
CN114141204A (zh) * 2021-11-29 2022-03-04 Tcl华星光电技术有限公司 背光驱动电路及显示装置
CN114267304B (zh) * 2021-12-30 2023-01-20 合肥瑞识智能科技有限公司 一种Mini-LED背光模组及其驱动方法
CN114267304A (zh) * 2021-12-30 2022-04-01 合肥瑞识智能科技有限公司 一种Mini-LED背光模组及其驱动方法
CN114333714A (zh) * 2021-12-31 2022-04-12 上海中航光电子有限公司 一种背光模组及其调光方法、显示装置
CN115268139A (zh) * 2022-07-12 2022-11-01 Tcl华星光电技术有限公司 显示模组及其背光模组
CN115376472A (zh) * 2022-09-29 2022-11-22 惠科股份有限公司 背光模组、显示模组及电子设备
CN115376472B (zh) * 2022-09-29 2023-09-19 惠科股份有限公司 背光模组、显示模组及电子设备

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Application publication date: 20190108

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