CN108898989A - Led显示装置及其驱动方法 - Google Patents
Led显示装置及其驱动方法 Download PDFInfo
- Publication number
- CN108898989A CN108898989A CN201810758390.7A CN201810758390A CN108898989A CN 108898989 A CN108898989 A CN 108898989A CN 201810758390 A CN201810758390 A CN 201810758390A CN 108898989 A CN108898989 A CN 108898989A
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- led light
- voltage
- led
- constant
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 9
- 230000003071 parasitic effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0275—Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0294—Details of sampling or holding circuits arranged for use in a driver for data electrodes
-
- 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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
-
- 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
- G09G2330/10—Dealing with defective 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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Led Devices (AREA)
- Control Of El Displays (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
Description
Claims (18)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810758390.7A CN108898989A (zh) | 2018-07-11 | 2018-07-11 | Led显示装置及其驱动方法 |
US16/626,397 US11049441B2 (en) | 2018-07-11 | 2018-09-06 | LED display device and method for driving the same |
PCT/CN2018/104267 WO2020010684A1 (zh) | 2018-07-11 | 2018-09-06 | Led显示装置及其驱动方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810758390.7A CN108898989A (zh) | 2018-07-11 | 2018-07-11 | Led显示装置及其驱动方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108898989A true CN108898989A (zh) | 2018-11-27 |
Family
ID=64349224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810758390.7A Pending CN108898989A (zh) | 2018-07-11 | 2018-07-11 | Led显示装置及其驱动方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11049441B2 (zh) |
CN (1) | CN108898989A (zh) |
WO (1) | WO2020010684A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109410828A (zh) * | 2018-11-29 | 2019-03-01 | 宗仁科技(平潭)有限公司 | Led点光源驱动方法、***及控制器 |
CN109870626A (zh) * | 2019-03-22 | 2019-06-11 | 北京集创北方科技股份有限公司 | 开路检测方法和led显示装置 |
CN111179842A (zh) * | 2020-03-12 | 2020-05-19 | 京东方科技集团股份有限公司 | 补偿电路、显示模组及其驱动方法 |
CN111415626A (zh) * | 2020-03-04 | 2020-07-14 | 深圳创维-Rgb电子有限公司 | 一种Mini-LED光源及其驱动电路和驱动方法 |
CN111798792A (zh) * | 2020-09-08 | 2020-10-20 | 杭州视芯科技有限公司 | Led显示***及恒流驱动电路和显示控制方法 |
CN113643654A (zh) * | 2021-08-17 | 2021-11-12 | 天津工业大学 | 一种微显示阵列无源驱动线路功率损耗优化电路 |
TWI799015B (zh) * | 2021-12-17 | 2023-04-11 | 聚積科技股份有限公司 | 具短路偵測功能的掃描式顯示器及其掃描裝置 |
CN116189581A (zh) * | 2023-04-27 | 2023-05-30 | 杭州视芯科技股份有限公司 | 一种led开路检测方法、电路及led驱动方法、电路 |
EP3979229A4 (en) * | 2019-06-11 | 2023-07-05 | HKC Corporation Limited | INDICATOR AND SHORT-CIRCUIT DETECTING METHOD THEREOF |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115241238A (zh) * | 2019-06-21 | 2022-10-25 | 京东方科技集团股份有限公司 | 有机发光二极管面板以及oled发光装置 |
TWI800166B (zh) * | 2021-12-17 | 2023-04-21 | 聚積科技股份有限公司 | 具短路偵測功能的掃描式顯示器及其資料裝置 |
US11670224B1 (en) * | 2022-01-06 | 2023-06-06 | Novatek Microelectronics Corp. | Driving circuit for LED panel and LED panel thereof |
Citations (9)
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CN1667682A (zh) * | 2004-03-12 | 2005-09-14 | 东北先锋电子股份有限公司 | 自发光显示模块及其缺陷检验方法、安装模块的电子设备 |
CN101815386A (zh) * | 2010-04-30 | 2010-08-25 | 海洋王照明科技股份有限公司 | 一种led灯具及其控制电路 |
KR20130113363A (ko) * | 2012-03-26 | 2013-10-15 | 페어차일드코리아반도체 주식회사 | Led 발광 장치 및 그 구동 방법 |
CN105491713A (zh) * | 2015-12-23 | 2016-04-13 | 浙江闲兴光电科技有限公司 | 一种大功率led路灯驱动电路 |
CN106604458A (zh) * | 2016-12-07 | 2017-04-26 | 武汉精立电子技术有限公司 | 可检测led灯串开短路的恒流源驱动装置及方法 |
CN206259156U (zh) * | 2016-11-30 | 2017-06-16 | 深圳市富满电子集团股份有限公司 | 一种led显示屏及其显示控制装置与列控制电路 |
CN106887206A (zh) * | 2017-03-09 | 2017-06-23 | 深圳市明微电子股份有限公司 | 一种led显示屏的控制方法及*** |
CN108109579A (zh) * | 2017-12-13 | 2018-06-01 | 杭州视芯科技有限公司 | Led显示装置及其驱动方法 |
CN208422358U (zh) * | 2018-07-11 | 2019-01-22 | 杭州视芯科技有限公司 | Led显示装置 |
Family Cites Families (14)
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TW200816868A (en) * | 2006-09-18 | 2008-04-01 | Vast View Technology Inc | Light emitting diode (LED) driving system and method |
KR20100005023A (ko) * | 2007-02-15 | 2010-01-13 | 엑셈피디스플레이 주식회사 | Led 디스플레이 패널을 구동하기 위한 장치 |
WO2011105086A1 (ja) * | 2010-02-26 | 2011-09-01 | ローム株式会社 | 発光素子の駆動回路およびそれを用いた発光装置、ディスプレイ装置 |
JP5595126B2 (ja) * | 2010-06-03 | 2014-09-24 | ローム株式会社 | Led駆動装置およびこれを備えた電子機器 |
KR101847211B1 (ko) * | 2011-08-30 | 2018-04-10 | 매그나칩 반도체 유한회사 | Led구동장치 |
JP5955073B2 (ja) * | 2012-04-23 | 2016-07-20 | キヤノン株式会社 | 表示装置及び表示装置の駆動方法 |
US9210747B2 (en) * | 2013-06-24 | 2015-12-08 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Driver for driving LED backlight source, LED backlight source and LCD device |
KR20160017816A (ko) * | 2014-08-06 | 2016-02-17 | 삼성디스플레이 주식회사 | 광원 장치, 이의 구동 방법 및 이를 갖는 표시 장치 |
TWI543139B (zh) * | 2015-02-13 | 2016-07-21 | 明陽半導體股份有限公司 | 顯示面板的驅動裝置 |
KR102088683B1 (ko) * | 2015-09-04 | 2020-03-13 | 삼성전자주식회사 | 영상표시장치 및 영상표시장치의 구동 방법 |
CN105374317A (zh) * | 2015-12-11 | 2016-03-02 | 深圳市绿源半导体技术有限公司 | 一种led显示屏驱动控制方法及驱动控制电路 |
CN105825806B (zh) | 2016-05-24 | 2018-08-07 | 北京集创北方科技股份有限公司 | Led显示驱动***、控制方法和led显示屏 |
TWI594664B (zh) * | 2016-08-17 | 2017-08-01 | 緯創資通股份有限公司 | 發光二極體驅動裝置及驅動裝置的短路保護方法 |
CN207165213U (zh) * | 2017-07-07 | 2018-03-30 | 厦门强力巨彩光电科技有限公司 | 一种具备短路检测功能的led显示屏控制电路 |
-
2018
- 2018-07-11 CN CN201810758390.7A patent/CN108898989A/zh active Pending
- 2018-09-06 US US16/626,397 patent/US11049441B2/en active Active
- 2018-09-06 WO PCT/CN2018/104267 patent/WO2020010684A1/zh active Application Filing
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CN101815386A (zh) * | 2010-04-30 | 2010-08-25 | 海洋王照明科技股份有限公司 | 一种led灯具及其控制电路 |
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CN208422358U (zh) * | 2018-07-11 | 2019-01-22 | 杭州视芯科技有限公司 | Led显示装置 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109410828A (zh) * | 2018-11-29 | 2019-03-01 | 宗仁科技(平潭)有限公司 | Led点光源驱动方法、***及控制器 |
US11417252B2 (en) | 2019-03-22 | 2022-08-16 | Chipone Technology (Beijing) Co., Ltd. | Open circuit detection method and LED display device |
JP2021526232A (ja) * | 2019-03-22 | 2021-09-30 | 北京集創北方科技股▲ふん▼有限公司Chipone Technology (Beijing) Co.,Ltd | 開放検出方法及びled表示装置 |
JP7026814B2 (ja) | 2019-03-22 | 2022-02-28 | 北京集創北方科技股▲ふん▼有限公司 | 開放検出方法及びled表示装置 |
CN109870626A (zh) * | 2019-03-22 | 2019-06-11 | 北京集创北方科技股份有限公司 | 开路检测方法和led显示装置 |
EP3979229A4 (en) * | 2019-06-11 | 2023-07-05 | HKC Corporation Limited | INDICATOR AND SHORT-CIRCUIT DETECTING METHOD THEREOF |
CN111415626A (zh) * | 2020-03-04 | 2020-07-14 | 深圳创维-Rgb电子有限公司 | 一种Mini-LED光源及其驱动电路和驱动方法 |
CN111179842A (zh) * | 2020-03-12 | 2020-05-19 | 京东方科技集团股份有限公司 | 补偿电路、显示模组及其驱动方法 |
CN111179842B (zh) * | 2020-03-12 | 2021-03-30 | 京东方科技集团股份有限公司 | 补偿电路、显示模组及其驱动方法 |
CN111798792A (zh) * | 2020-09-08 | 2020-10-20 | 杭州视芯科技有限公司 | Led显示***及恒流驱动电路和显示控制方法 |
CN113643654A (zh) * | 2021-08-17 | 2021-11-12 | 天津工业大学 | 一种微显示阵列无源驱动线路功率损耗优化电路 |
TWI799015B (zh) * | 2021-12-17 | 2023-04-11 | 聚積科技股份有限公司 | 具短路偵測功能的掃描式顯示器及其掃描裝置 |
CN116189581A (zh) * | 2023-04-27 | 2023-05-30 | 杭州视芯科技股份有限公司 | 一种led开路检测方法、电路及led驱动方法、电路 |
Also Published As
Publication number | Publication date |
---|---|
WO2020010684A1 (zh) | 2020-01-16 |
US20200320925A1 (en) | 2020-10-08 |
US11049441B2 (en) | 2021-06-29 |
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