CN112384967A - 栅极驱动电路及其电流调节方法、显示装置 - Google Patents

栅极驱动电路及其电流调节方法、显示装置 Download PDF

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Publication number
CN112384967A
CN112384967A CN201980000606.6A CN201980000606A CN112384967A CN 112384967 A CN112384967 A CN 112384967A CN 201980000606 A CN201980000606 A CN 201980000606A CN 112384967 A CN112384967 A CN 112384967A
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China
Prior art keywords
signal
gate driving
electrically connected
current
resistor
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CN201980000606.6A
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CN112384967B (zh
Inventor
刘幸一
谢勇贤
曹诚英
周纪登
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3674—Details of drivers for scan 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
    • 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
    • G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
    • 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
    • G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • 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
    • G09G2330/025—Reduction of instantaneous peaks of 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
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04—Display protection
    • G09G2330/045—Protection against panel overheating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (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)
  • Electronic Switches (AREA)

Abstract

一种栅极驱动电路及其电流调节方法、显示装置，涉及显示技术领域。该栅极驱动电路包括至少一个栅极驱动子电路(100)。每个栅极驱动子电路(100)包括输出单元(110)和限流单元(120)。该输出单元(110)被配置为输出栅极驱动信号。该限流单元(120)与该输出单元(110)电连接。该限流单元(120)被配置为限制栅极驱动信号的电流大小。上述电路可降低栅极驱动信号的电流，尽量防止由于电流过大而可能导致的显示面板的显示异常。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201980000606.6A 2019-05-09 2019-05-09 栅极驱动电路及其电流调节方法、显示装置 Active CN112384967B (zh)

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PCT/CN2019/086269 WO2020223970A1 (zh) 2019-05-09 2019-05-09 栅极驱动电路及其电流调节方法、显示装置

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CN112384967B CN112384967B (zh) 2022-06-07

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US (1) US11295693B2 (zh)
CN (1) CN112384967B (zh)
WO (1) WO2020223970A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113628586A (zh) * 2021-09-23 2021-11-09 合肥京东方显示技术有限公司 一种栅极驱动单元、栅极驱动电路、显示装置和驱动方法

Citations (9)

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JPH08273560A (ja) * 1995-03-30 1996-10-18 Sony Corp ディスプレイ装置及びディスプレイ装置の駆動方法
US20070063955A1 (en) * 2005-09-16 2007-03-22 Hung-Shiang Chen Driving device
CN102629454A (zh) * 2011-06-16 2012-08-08 北京京东方光电科技有限公司 一种液晶面板驱动电路、驱动方法和***
CN102708829A (zh) * 2012-06-06 2012-10-03 友达光电股份有限公司 一种栅极驱动电路及其平面显示设备
CN105761694A (zh) * 2016-05-12 2016-07-13 深圳市华星光电技术有限公司 用于阵列基板栅极驱动电路的电平转换器
CN107705742A (zh) * 2017-09-28 2018-02-16 惠科股份有限公司 一种显示面板的驱动电路及显示装置
CN108447434A (zh) * 2018-03-20 2018-08-24 京东方科技集团股份有限公司 一种负压输出电路和显示面板
US20190051240A1 (en) * 2017-08-09 2019-02-14 Joled Inc. Current limiting circuit, display device, and current limiting method
CN109523965A (zh) * 2018-12-19 2019-03-26 惠科股份有限公司 驱动电路、显示面板的驱动电路及显示装置

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JP4229804B2 (ja) * 2003-10-24 2009-02-25 Ｎｅｃエレクトロニクス株式会社 半導体出力回路
TWI402807B (zh) * 2008-05-08 2013-07-21 Novatek Microelectronics Corp 電源順序控制電路及所應用的閘極驅動器與液晶顯示面板
CN102609065A (zh) * 2011-01-19 2012-07-25 鸿富锦精密工业（深圳）有限公司 过流保护装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08273560A (ja) * 1995-03-30 1996-10-18 Sony Corp ディスプレイ装置及びディスプレイ装置の駆動方法
US20070063955A1 (en) * 2005-09-16 2007-03-22 Hung-Shiang Chen Driving device
CN102629454A (zh) * 2011-06-16 2012-08-08 北京京东方光电科技有限公司 一种液晶面板驱动电路、驱动方法和***
CN102708829A (zh) * 2012-06-06 2012-10-03 友达光电股份有限公司 一种栅极驱动电路及其平面显示设备
CN105761694A (zh) * 2016-05-12 2016-07-13 深圳市华星光电技术有限公司 用于阵列基板栅极驱动电路的电平转换器
US20190051240A1 (en) * 2017-08-09 2019-02-14 Joled Inc. Current limiting circuit, display device, and current limiting method
CN107705742A (zh) * 2017-09-28 2018-02-16 惠科股份有限公司 一种显示面板的驱动电路及显示装置
CN108447434A (zh) * 2018-03-20 2018-08-24 京东方科技集团股份有限公司 一种负压输出电路和显示面板
CN109523965A (zh) * 2018-12-19 2019-03-26 惠科股份有限公司 驱动电路、显示面板的驱动电路及显示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113628586A (zh) * 2021-09-23 2021-11-09 合肥京东方显示技术有限公司 一种栅极驱动单元、栅极驱动电路、显示装置和驱动方法
CN113628586B (zh) * 2021-09-23 2022-12-27 合肥京东方显示技术有限公司 一种栅极驱动单元、栅极驱动电路、显示装置和驱动方法

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Publication number Publication date
CN112384967B (zh) 2022-06-07
US20210233486A1 (en) 2021-07-29
US11295693B2 (en) 2022-04-05
WO2020223970A1 (zh) 2020-11-12

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