CN115210800A - 像素驱动电路及显示面板 - Google Patents

像素驱动电路及显示面板 Download PDF

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Publication number
CN115210800A
CN115210800A CN202080002723.9A CN202080002723A CN115210800A CN 115210800 A CN115210800 A CN 115210800A CN 202080002723 A CN202080002723 A CN 202080002723A CN 115210800 A CN115210800 A CN 115210800A
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China
Prior art keywords
transistor
circuit
sub
line
pole
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Pending
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CN202080002723.9A
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English (en)
Inventor
徐元杰
王本莲
龙跃
黄耀
杜丽丽
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of CN115210800A publication Critical patent/CN115210800A/zh
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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
    • G09G3/22—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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • 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
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0278—Details of driving circuits arranged to drive both scan and data electrodes

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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

一种像素驱动电路及显示面板，属于显示技术领域。像素驱动电路包括：数据写入子电路(4)、驱动子电路(3)、复位子电路(7)、第一发光控制子电路(5)、第二发光控制子电路(6)、辅助功能子电路(9)及存储子电路(8)；数据写入子电路(4)被配置为响应于第一扫描信号，将数据电压写入驱动子电路(3)的第一极；辅助功能子电路(9)被配置对驱动晶体管T3的阈值电压进行补偿；复位子电路(7)被配置响应于复位控制信号，对待驱动的发光器件(D)的第一电极进行初始化，第二发光控制子电路(6)响应于第二发光控制信号，将初始化信号传输至驱动子电路(3)的第二极；第一发光控制子电路(5)被配置为响应于第一发光控制信号，将第一电源电压写入驱动晶体管(T3)的第一极，以使驱动晶体管(T3)产生驱动电流；第二发光控制子电路(6)被配置为响应于第二发光控制信号，将驱动电流传输给待驱动的发光器件(D)。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202080002723.9A 2020-11-11 2020-11-11 像素驱动电路及显示面板 Pending CN115210800A (zh)

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN113112955B (zh) * 2021-04-14 2022-08-23 京东方科技集团股份有限公司 像素电路及其驱动方法、显示基板、显示装置
KR20230067744A (ko) * 2021-11-08 2023-05-17 삼성디스플레이 주식회사 표시장치
CN115527488A (zh) * 2022-04-01 2022-12-27 武汉天马微电子有限公司上海分公司 一种显示面板及其驱动方法、显示装置
CN115311979B (zh) * 2022-08-24 2024-08-27 厦门天马显示科技有限公司 显示面板及显示装置

Citations (4)

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CN107767819A (zh) * 2017-09-28 2018-03-06 京东方科技集团股份有限公司 像素驱动电路及方法、显示装置
WO2018045749A1 (zh) * 2016-09-08 2018-03-15 京东方科技集团股份有限公司 像素电路、显示面板、显示设备及驱动方法
CN109087610A (zh) * 2018-08-20 2018-12-25 武汉华星光电半导体显示技术有限公司 Amoled像素驱动电路、驱动方法及显示面板
CN111179854A (zh) * 2020-02-19 2020-05-19 京东方科技集团股份有限公司 像素驱动电路及其驱动方法、显示装置

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KR102559083B1 (ko) 2015-05-28 2023-07-25 엘지디스플레이 주식회사 유기발광 표시장치
CN106531076B (zh) 2017-01-12 2019-03-01 京东方科技集团股份有限公司 一种像素电路、显示面板及其驱动方法
CN110268465B (zh) * 2019-01-14 2022-07-01 京东方科技集团股份有限公司 像素电路、显示面板及像素电路的驱动方法
KR20210021219A (ko) * 2019-08-16 2021-02-25 삼성디스플레이 주식회사 화소 회로
KR20190113708A (ko) 2019-09-26 2019-10-08 아이프라임 리미티드 유기발광 표시 장치
CN111754920A (zh) * 2020-07-17 2020-10-09 武汉华星光电半导体显示技术有限公司 像素驱动电路及其驱动方法、显示面板

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CN107767819A (zh) * 2017-09-28 2018-03-06 京东方科技集团股份有限公司 像素驱动电路及方法、显示装置
CN109087610A (zh) * 2018-08-20 2018-12-25 武汉华星光电半导体显示技术有限公司 Amoled像素驱动电路、驱动方法及显示面板
CN111179854A (zh) * 2020-02-19 2020-05-19 京东方科技集团股份有限公司 像素驱动电路及其驱动方法、显示装置

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US20220351671A1 (en) 2022-11-03
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