CN115699145A - 像素电路及其驱动方法、显示装置 - Google Patents

像素电路及其驱动方法、显示装置 Download PDF

Info

Publication number
CN115699145A
CN115699145A CN202180000218.5A CN202180000218A CN115699145A CN 115699145 A CN115699145 A CN 115699145A CN 202180000218 A CN202180000218 A CN 202180000218A CN 115699145 A CN115699145 A CN 115699145A
Authority
CN
China
Prior art keywords
transistor
node
signal
electrode
sub
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
CN202180000218.5A
Other languages
English (en)
Inventor
黄耀
汪锐
王本莲
青海刚
王智
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.)
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology 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.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of CN115699145A publication Critical patent/CN115699145A/zh
Pending legal-status Critical Current

Links

Images

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
    • 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]
    • G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • 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
    • 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
    • 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
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • 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
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select 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
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • 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
    • G09G2310/0262—The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two 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
    • 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
    • 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
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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

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)
  • Control Of El Displays (AREA)

Abstract

一种像素电路及其驱动方法、显示装置，像素电路包括驱动子电路、写入子电路、补偿子电路、第一复位子电路、第一发光控制子电路、第二发光控制子电路和发光元件，其中：补偿子电路在第三扫描信号端(Gate3)的控制下，将第三节点(N3)的信号写入第一节点(N1)，并在第三扫描信号端(Gate3)和第一电压端(VDD)的控制下，对第一节点(N1)进行补偿；第一复位子电路在第一扫描信号端(Gate1)和第一发光控制信号端(EM1)的控制下，将第一初始信号端(INT1)的信号写入第三节点(N3)；第二发光控制子电路在第二发光控制信号端(EM2)的控制下，向第二节点(N2)提供第一电压端(VDD)的信号；第一发光控制子电路在第一发光控制信号端(EM1)的控制下，向第四节点(N4)提供第三节点(N3)的信号，并在第三节点(N3)和第四节点(N4)之间允许驱动电流通过。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN202180000218.5A 2021-02-10 2021-02-10 像素电路及其驱动方法、显示装置 Pending CN115699145A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/076536 WO2022170567A1 (zh) 2021-02-10 2021-02-10 像素电路及其驱动方法、显示装置

Publications (1)

Publication Number Publication Date
CN115699145A true CN115699145A (zh) 2023-02-03

Family

ID=82837468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180000218.5A Pending CN115699145A (zh) 2021-02-10 2021-02-10 像素电路及其驱动方法、显示装置

Country Status (4)

Country Link
US (2) US11810506B2 (zh)
CN (1) CN115699145A (zh)
GB (1) GB2609149A (zh)
WO (1) WO2022170567A1 (zh)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150019592A (ko) 2013-08-14 2015-02-25 삼성디스플레이 주식회사 화소, 화소 구동 방법 및 이를 이용한 표시장치
CN105427807A (zh) 2016-01-04 2016-03-23 京东方科技集团股份有限公司 像素电路及其驱动方法、显示面板以及显示器
KR20180067768A (ko) 2016-12-12 2018-06-21 삼성디스플레이 주식회사 화소 및 이를 가지는 유기전계발광 표시장치
CN106558287B (zh) 2017-01-25 2019-05-07 上海天马有机发光显示技术有限公司 有机发光像素驱动电路、驱动方法及有机发光显示面板
US11348524B2 (en) * 2017-09-30 2022-05-31 Boe Technology Group Co., Ltd. Display substrate and display device
CN108206008B (zh) 2018-01-11 2019-12-31 京东方科技集团股份有限公司 像素电路、驱动方法、电致发光显示面板及显示装置
CN109427292B (zh) 2018-02-02 2021-04-02 京东方科技集团股份有限公司 一种信号控制装置及方法、显示控制装置及方法、显示装置
CN110176213B (zh) * 2018-06-08 2023-09-26 京东方科技集团股份有限公司 像素电路及其驱动方法、显示面板
WO2020228017A1 (zh) 2019-05-16 2020-11-19 京东方科技集团股份有限公司 信号产生方法、信号发生电路以及显示装置
CN110264946A (zh) 2019-05-21 2019-09-20 合肥维信诺科技有限公司 一种像素电路和显示装置
CN111489701B (zh) 2020-05-29 2021-09-14 上海天马有机发光显示技术有限公司 阵列基板及其驱动方法、显示面板和显示装置
CN111798789B (zh) 2020-07-16 2022-09-20 昆山国显光电有限公司 像素电路及其驱动方法、显示面板
CN111883043A (zh) 2020-07-30 2020-11-03 合肥维信诺科技有限公司 像素电路及其驱动方法、显示面板
CN111739471B (zh) * 2020-08-06 2022-02-22 武汉天马微电子有限公司 一种显示面板、驱动方法及显示装置
CN112102785B (zh) 2020-10-15 2024-04-16 厦门天马微电子有限公司 像素电路、显示面板及其驱动方法和显示装置
CN112233619A (zh) 2020-11-17 2021-01-15 上海天马有机发光显示技术有限公司 像素驱动电路及其驱动方法、显示面板及显示装置

Also Published As

Publication number Publication date
US20230252942A1 (en) 2023-08-10
US11810506B2 (en) 2023-11-07
GB202215875D0 (en) 2022-12-07
WO2022170567A1 (zh) 2022-08-18
GB2609149A (en) 2023-01-25
US20240013721A1 (en) 2024-01-11

Similar Documents

Publication Publication Date Title
CN110268465B (zh) 像素电路、显示面板及像素电路的驱动方法
US10950321B2 (en) Shift register, gate driving circuit, display panel and display device
CN110176213B (zh) 像素电路及其驱动方法、显示面板
CN108257549B (zh) 电致发光显示器
CN107358915B (zh) 一种像素电路、其驱动方法、显示面板及显示装置
CN113838421B (zh) 像素电路及其驱动方法、显示面板
CN109509433B (zh) 像素电路、显示装置和像素驱动方法
US11398179B2 (en) Shift register unit, gate drive circuit and driving method thereof, and display device
CN107146575B (zh) 有机发光二极管显示器
CN109712565B (zh) 一种像素电路、其驱动方法及电致发光显示面板
CN113906495B (zh) 像素电路及其驱动方法、显示装置
US11127359B2 (en) Display panel, method for driving the same and display device
US20210217341A1 (en) Gate drive circuit and drive method thereof, display device and control method thereof
CN110796981B (zh) 栅极驱动器和使用栅极驱动器的电致发光显示装置
US11308885B2 (en) Display panel for outputting a same gate signal to two pixels on different lines and driving method thereof
CN110313028B (zh) 信号产生方法、信号发生电路以及显示装置
CN110556076B (zh) 像素电路、驱动方法及显示装置
CN110010072A (zh) 像素电路及其驱动方法、显示装置
US11798482B2 (en) Gate driver and organic light emitting display device including the same
CN113689825A (zh) 一种驱动电路及驱动方法、显示装置
CN113066422B (zh) 扫描与发光驱动电路、扫描与发光驱动系统、显示面板
CN107945740B (zh) 像素电路的驱动方法
CN113903301A (zh) 移位寄存器、扫描驱动电路、驱动方法、显示面板及装置
CN115699145A (zh) 像素电路及其驱动方法、显示装置
US20240071314A1 (en) Gate driver and display apparatus including same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination