CN113966528A - 像素电路及其驱动方法和显示装置 - Google Patents

像素电路及其驱动方法和显示装置 Download PDF

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Publication number
CN113966528A
CN113966528A CN202080000258.5A CN202080000258A CN113966528A CN 113966528 A CN113966528 A CN 113966528A CN 202080000258 A CN202080000258 A CN 202080000258A CN 113966528 A CN113966528 A CN 113966528A
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circuit
transistor
sub
node
control
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CN202080000258.5A
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CN113966528B (zh
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玄明花
齐琪
刘静
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BOE Technology Group Co Ltd
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BOE Technology Group 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
    • G09G3/22—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
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • 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
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • 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

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  • 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)
  • Control Of El Displays (AREA)

Abstract

一种像素电路及其驱动方法和显示装置，像素电路包括：第一重置子电路(1)，配置为响应于重置信号线(Reset)的信号的控制，将参考电压(Vref)和初始化电压(Vinit)分别写入至第一节点(N1)和第二节点(N2)；第一数据写入子电路(2)，配置为响应于栅线(Gate)的信号的控制，将第一数据电压写入至第二节点(N2)；第一输出控制子电路(4)，配置为响应于控制信号线(SW)的信号的控制，将第一节点(N1)处电压提供给开关子电路(5)；充放电子电路(3)，配置为响应于第一数据电压的控制，对第一节点(N1)进行充电处理或放电处理；开关子电路(5)，与信号供给端(Input)和待驱动元件(Micro‑LED)连接，配置为响应于第一输出控制子电路(4)所提供的第一节点(N1)处电压的控制，来控制信号供给端(Input)与待驱动元件(Micro‑LED)之间的通断。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN202080000258.5A 2020-03-12 2020-03-12 像素电路及其驱动方法和显示装置 Active CN113966528B (zh)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110164016A1 (en) * 2010-01-05 2011-07-07 Chul-Kyu Kang Pixel circuit, organic light emitting display, and driving method thereof
US20120139901A1 (en) * 2010-12-06 2012-06-07 Young-In Hwang Pixel, stereopsis display device, and driving method thereof
CN103871356A (zh) * 2012-12-13 2014-06-18 三星显示有限公司 像素和使用该像素的有机发光显示器
CN103985350A (zh) * 2014-04-29 2014-08-13 上海天马有机发光显示技术有限公司 一种像素电路、显示面板、显示装置和驱动方法
CN104318898A (zh) * 2014-11-11 2015-01-28 京东方科技集团股份有限公司 像素电路、驱动方法和显示装置
CN104715718A (zh) * 2013-12-11 2015-06-17 乐金显示有限公司 显示装置的像素电路、有机发光显示装置及其驱动方法
CN105448234A (zh) * 2014-09-01 2016-03-30 昆山工研院新型平板显示技术中心有限公司 像素电路及其驱动方法和有源矩阵有机发光显示器
US20180047337A1 (en) * 2017-04-28 2018-02-15 Shanghai Tianma AM-OLED Co., Ltd. Display panel, display device, and method for driving a pixel circuit
CN109256088A (zh) * 2018-10-31 2019-01-22 京东方科技集团股份有限公司 像素电路、显示面板、显示装置和像素驱动方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102072795B1 (ko) * 2013-08-12 2020-02-04 삼성디스플레이 주식회사 유기 전계 발광 표시 장치 및 이의 구동 방법
CN105609049B (zh) * 2015-12-31 2017-07-21 京东方科技集团股份有限公司 显示驱动电路、阵列基板、电路驱动方法和显示装置
KR102538488B1 (ko) * 2018-10-04 2023-06-01 삼성전자주식회사 디스플레이 패널 및 디스플레이 패널의 구동 방법
KR102564366B1 (ko) * 2018-12-31 2023-08-04 엘지디스플레이 주식회사 표시 장치

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110164016A1 (en) * 2010-01-05 2011-07-07 Chul-Kyu Kang Pixel circuit, organic light emitting display, and driving method thereof
US20120139901A1 (en) * 2010-12-06 2012-06-07 Young-In Hwang Pixel, stereopsis display device, and driving method thereof
CN103871356A (zh) * 2012-12-13 2014-06-18 三星显示有限公司 像素和使用该像素的有机发光显示器
CN104715718A (zh) * 2013-12-11 2015-06-17 乐金显示有限公司 显示装置的像素电路、有机发光显示装置及其驱动方法
CN103985350A (zh) * 2014-04-29 2014-08-13 上海天马有机发光显示技术有限公司 一种像素电路、显示面板、显示装置和驱动方法
CN105448234A (zh) * 2014-09-01 2016-03-30 昆山工研院新型平板显示技术中心有限公司 像素电路及其驱动方法和有源矩阵有机发光显示器
CN104318898A (zh) * 2014-11-11 2015-01-28 京东方科技集团股份有限公司 像素电路、驱动方法和显示装置
US20180047337A1 (en) * 2017-04-28 2018-02-15 Shanghai Tianma AM-OLED Co., Ltd. Display panel, display device, and method for driving a pixel circuit
CN109256088A (zh) * 2018-10-31 2019-01-22 京东方科技集团股份有限公司 像素电路、显示面板、显示装置和像素驱动方法

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WO2021179247A1 (zh) 2021-09-16
US11455947B2 (en) 2022-09-27
CN113966528B (zh) 2024-03-19

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