CN115104148A - 像素电路、驱动方法、显示基板和显示装置 - Google Patents

像素电路、驱动方法、显示基板和显示装置 Download PDF

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Publication number
CN115104148A
CN115104148A CN202080003117.9A CN202080003117A CN115104148A CN 115104148 A CN115104148 A CN 115104148A CN 202080003117 A CN202080003117 A CN 202080003117A CN 115104148 A CN115104148 A CN 115104148A
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voltage
line
transistor
circuit
electrically connected
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CN115104148B (zh
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张锴
蔡兴瑞
高雅瑰
颜海龙
魏昕宇
付强
其他发明人请求不公开姓名
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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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    • 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
    • G09G3/2007—Display of intermediate tones
    • 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
    • G09G2300/0404—Matrix technologies
    • G09G2300/0408—Integration of the drivers onto the display substrate
    • 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
    • G09G2310/0245—Clearing or presetting the whole screen independently of waveforms, e.g. on power-on
    • 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

Abstract

一种像素电路、驱动方法、显示基板和显示装置。像素电路包括驱动电路(11)、第一发光控制电路(12)、发光元件(EL)、第一初始化电路(13)和第二初始化电路(14)；第一初始化电路(13)在第一初始化控制信号的控制下，控制将初始化电压线(I1)提供的初始化电压写入驱动电路(11)的控制端；第二初始化电路(14)在第二初始化控制线(R2)提供的第二初始化控制信号的控制下，控制将初始数据线(D02)提供的初始数据电压至发光元件(EL)的阳极；从而能够防止在对发光元件(EL)的阳极进行初始化时，由于发光元件(EL)发光而产生的漏电起亮以及低灰阶下侧向漏电的情况发生。

Description

PCT国内申请，说明书已公开。

Claims (19)

  1. PCT国内申请，权利要求书已公开。
CN202080003117.9A 2020-11-30 2020-11-30 像素电路、驱动方法、显示基板和显示装置 Active CN115104148B (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090121981A1 (en) * 2007-11-08 2009-05-14 Myoung-Hwan Yoo Organic light emitting display device and driving method using the same
CN103985352A (zh) * 2014-05-08 2014-08-13 京东方科技集团股份有限公司 补偿像素电路及显示装置
CN104575372A (zh) * 2013-10-25 2015-04-29 京东方科技集团股份有限公司 一种amoled像素驱动电路及其驱动方法、阵列基板
US20160063921A1 (en) * 2014-08-26 2016-03-03 Apple Inc. Organic Light-Emitting Diode Display With Reduced Capacitive Sensitivity
CN106558287A (zh) * 2017-01-25 2017-04-05 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
CN107452331A (zh) * 2017-08-25 2017-12-08 京东方科技集团股份有限公司 一种像素电路及其驱动方法、显示装置
CN107680537A (zh) * 2017-11-21 2018-02-09 上海天马微电子有限公司 一种像素电路的驱动方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160063922A1 (en) 2014-08-26 2016-03-03 Apple Inc. Organic Light-Emitting Diode Display
KR102412672B1 (ko) * 2015-12-30 2022-06-24 삼성디스플레이 주식회사 화소 회로 및 이를 포함하는 유기 발광 표시 장치
CN107358920B (zh) * 2017-09-08 2019-09-24 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及显示装置
KR102563660B1 (ko) * 2018-01-15 2023-08-08 삼성디스플레이 주식회사 화소 및 이를 갖는 유기발광 표시장치

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090121981A1 (en) * 2007-11-08 2009-05-14 Myoung-Hwan Yoo Organic light emitting display device and driving method using the same
CN104575372A (zh) * 2013-10-25 2015-04-29 京东方科技集团股份有限公司 一种amoled像素驱动电路及其驱动方法、阵列基板
CN103985352A (zh) * 2014-05-08 2014-08-13 京东方科技集团股份有限公司 补偿像素电路及显示装置
US20160063921A1 (en) * 2014-08-26 2016-03-03 Apple Inc. Organic Light-Emitting Diode Display With Reduced Capacitive Sensitivity
CN106558287A (zh) * 2017-01-25 2017-04-05 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
CN107452331A (zh) * 2017-08-25 2017-12-08 京东方科技集团股份有限公司 一种像素电路及其驱动方法、显示装置
CN107680537A (zh) * 2017-11-21 2018-02-09 上海天马微电子有限公司 一种像素电路的驱动方法

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US20230162674A1 (en) 2023-05-25
CN115104148B (zh) 2024-04-05
WO2022110124A1 (zh) 2022-06-02

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