CN112562557B - 像素驱动电路及驱动薄膜晶体管的阈值电压侦测方法 - Google Patents

像素驱动电路及驱动薄膜晶体管的阈值电压侦测方法 Download PDF

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Publication number
CN112562557B
CN112562557B CN202011599590.6A CN202011599590A CN112562557B CN 112562557 B CN112562557 B CN 112562557B CN 202011599590 A CN202011599590 A CN 202011599590A CN 112562557 B CN112562557 B CN 112562557B
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China
Prior art keywords
thin film
film transistor
driving thin
voltage
capacitor
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CN202011599590.6A
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Chinese (zh)
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CN112562557A (zh
Inventor
邓延年
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to CN202011599590.6A priority Critical patent/CN112562557B/zh
Priority to PCT/CN2020/142110 priority patent/WO2022141398A1/fr
Publication of CN112562557A publication Critical patent/CN112562557A/zh
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3225Control 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
    • G09G3/3233Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3275Details of drivers for data electrodes
    • G09G3/3291Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CN202011599590.6A 2020-12-30 2020-12-30 像素驱动电路及驱动薄膜晶体管的阈值电压侦测方法 Active CN112562557B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202011599590.6A CN112562557B (zh) 2020-12-30 2020-12-30 像素驱动电路及驱动薄膜晶体管的阈值电压侦测方法
PCT/CN2020/142110 WO2022141398A1 (fr) 2020-12-30 2020-12-31 Circuit d'attaque de pixel et procédé de mesure de tension de seuil pour un transistor d'attaque à film mince

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011599590.6A CN112562557B (zh) 2020-12-30 2020-12-30 像素驱动电路及驱动薄膜晶体管的阈值电压侦测方法

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CN112562557A CN112562557A (zh) 2021-03-26
CN112562557B true CN112562557B (zh) 2022-09-27

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CN (1) CN112562557B (fr)
WO (1) WO2022141398A1 (fr)

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Publication number Priority date Publication date Assignee Title
US11823599B2 (en) 2021-10-14 2023-11-21 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Threshold voltage detecting method
CN113889009B (zh) * 2021-10-14 2023-06-27 深圳市华星光电半导体显示技术有限公司 阈值电压侦测方法
CN114038421B (zh) * 2021-12-07 2022-08-05 深圳市华星光电半导体显示技术有限公司 阈值电压侦测方法和显示装置
CN114203080B (zh) 2021-12-17 2023-11-28 深圳市华星光电半导体显示技术有限公司 阈值电压侦测方法、侦测装置及显示装置
CN114360459B (zh) 2022-03-16 2022-06-07 惠科股份有限公司 Oled驱动电路和oled显示装置
CN114758598A (zh) * 2022-04-24 2022-07-15 深圳市华星光电半导体显示技术有限公司 阈值电压侦测方法、侦测装置及显示装置
CN115223494B (zh) * 2022-07-18 2024-01-30 深圳市华星光电半导体显示技术有限公司 驱动电路及显示面板
CN115684864B (zh) * 2023-01-05 2023-03-31 佛山市联动科技股份有限公司 适于开关时间测试和阈值电压测试的测试电路及测试方法

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KR102182129B1 (ko) * 2014-05-12 2020-11-24 엘지디스플레이 주식회사 유기발광다이오드 표시장치와 그 구동방법
CN106097943B (zh) * 2016-08-08 2018-06-01 深圳市华星光电技术有限公司 Oled驱动薄膜晶体管的阈值电压侦测方法
KR102444314B1 (ko) * 2017-11-30 2022-09-16 엘지디스플레이 주식회사 유기 발광 표시장치 및 유기 발광 표시장치의 휘도 제어 방법
CN109637409B (zh) * 2019-02-26 2021-08-24 深圳市华星光电半导体显示技术有限公司 Amoled面板的驱动薄膜晶体管电性侦测方法
CN111583862B (zh) * 2020-05-19 2022-07-12 深圳市华星光电半导体显示技术有限公司 像素驱动电路和oled显示面板

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CN112562557A (zh) 2021-03-26

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