CN114981875A - 显示装置、显示面板及其驱动方法、像素电路的检测方法 - Google Patents

显示装置、显示面板及其驱动方法、像素电路的检测方法 Download PDF

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Publication number
CN114981875A
CN114981875A CN202080003531.XA CN202080003531A CN114981875A CN 114981875 A CN114981875 A CN 114981875A CN 202080003531 A CN202080003531 A CN 202080003531A CN 114981875 A CN114981875 A CN 114981875A
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CN
China
Prior art keywords
transistor
voltage
leakage
driving transistor
characteristic parameter
Prior art date
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Pending
Application number
CN202080003531.XA
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English (en)
Inventor
袁粲
李永谦
袁志东
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
Hefei BOE Zhuoyin Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei BOE Zhuoyin 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, Hefei BOE Zhuoyin Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of CN114981875A publication Critical patent/CN114981875A/zh
Pending legal-status Critical Current

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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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G09G2320/0295—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel by monitoring each display pixel
    • 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
    • G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements

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)
  • Electroluminescent Light Sources (AREA)

Abstract

本公开关于一种显示装置、显示面板及其驱动方法、像素电路的检测方法，涉及显示技术领域。本公开的显示面板包括像素单元和检测装置，像素单元包括像素电路和发光器件。像素电路包括第一晶体管、第二晶体管、驱动晶体管和存储电容，检测装置用于：在像素单元的第一状态下的第一时段内，关断第一晶体管和第二晶体管，并对驱动晶体管通过感测线漏电的漏电量进行检测，得到第一漏电参数；在第一状态下的第一时段后的第二时段内，对驱动晶体管的第一特性参数进行检测，得到第一参考特性参数；根据第一漏电参数和第一参考特性参数确定第一目标特性参数。

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。
CN202080003531.XA 2020-12-23 2020-12-23 显示装置、显示面板及其驱动方法、像素电路的检测方法 Pending CN114981875A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/138657 WO2022133812A1 (zh) 2020-12-23 2020-12-23 显示装置、显示面板及其驱动方法、像素电路的检测方法

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CN114981875A true CN114981875A (zh) 2022-08-30

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US (1) US11842683B2 (zh)
EP (1) EP4181112A4 (zh)
CN (1) CN114981875A (zh)
WO (1) WO2022133812A1 (zh)

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US20230417841A1 (en) * 2022-06-27 2023-12-28 Infineon Technologies Austria Ag Current leak detection for solid state devices

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
KR101073297B1 (ko) * 2009-07-10 2011-10-12 삼성모바일디스플레이주식회사 유기전계발광 표시장치 및 그의 구동방법
CN103208259B (zh) 2012-01-16 2016-03-09 群康科技(深圳)有限公司 显示面板
KR101577909B1 (ko) 2014-09-05 2015-12-16 엘지디스플레이 주식회사 유기발광 표시장치의 열화 센싱 방법
KR102322708B1 (ko) 2014-12-24 2021-11-09 엘지디스플레이 주식회사 유기 발광 다이오드 표시장치와 그 소자 특성 센싱 방법
KR102404485B1 (ko) 2015-01-08 2022-06-02 삼성디스플레이 주식회사 유기 발광 표시 장치
CN105788530B (zh) 2016-05-18 2018-06-01 深圳市华星光电技术有限公司 Oled显示装置的阈值电压侦测电路
KR102644681B1 (ko) 2016-08-25 2024-03-07 주식회사 엘엑스세미콘 디스플레이 장치의 센싱 회로
KR20180057752A (ko) 2016-11-21 2018-05-31 엘지디스플레이 주식회사 표시 장치
KR102636683B1 (ko) 2016-12-30 2024-02-14 엘지디스플레이 주식회사 유기 발광 다이오드 표시 장치
KR102286762B1 (ko) 2017-03-14 2021-08-05 주식회사 실리콘웍스 유기 발광 다이오드의 측정 장치 및 방법
CN108986748B (zh) * 2018-08-02 2021-08-27 京东方科技集团股份有限公司 一种消除驱动晶体管漏电流的方法及系统、显示装置
CN111028783B (zh) 2018-10-04 2022-04-15 乐金显示有限公司 像素感测装置、有机发光显示装置及其像素补偿方法
CN110767132B (zh) * 2019-10-25 2021-02-02 深圳市华星光电半导体显示技术有限公司 Tft电性侦测校正方法、装置、系统及显示装置
CN111899691B (zh) * 2020-06-29 2021-11-05 京东方科技集团股份有限公司 外部补偿电路、阵列基板、检测方法
KR102648002B1 (ko) * 2020-11-13 2024-03-15 엘지디스플레이 주식회사 디스플레이 장치 및 구동 방법

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US11842683B2 (en) 2023-12-12
US20220406253A1 (en) 2022-12-22
EP4181112A1 (en) 2023-05-17
WO2022133812A1 (zh) 2022-06-30
EP4181112A4 (en) 2023-09-06

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