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1. WO2020114086 - PIXEL CIRCUIT, PIXEL DRIVE METHOD, AND DISPLAY APPARATUS

Publication Number WO/2020/114086
Publication Date 11.06.2020
International Application No. PCT/CN2019/111022
International Filing Date 14.10.2019
IPC
G09G 3/32 2016.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for 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
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes
CPC
G09G 2320/0257
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2320Control of display operating conditions
02Improving the quality of display appearance
0257Reduction of after-image effects
G09G 3/3258
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for 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
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes [LED]
3208organic, e.g. using organic light-emitting diodes [OLED]
3225using an active matrix
3258with pixel circuitry controlling the voltage across the light-emitting element
G09G 3/3291
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for 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
22using controlled light sources
30using electroluminescent panels
32semiconductive, e.g. using light-emitting diodes [LED]
3208organic, e.g. using organic light-emitting diodes [OLED]
3275Details of drivers for data electrodes
3291in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
Applicants
  • 京东方科技集团股份有限公司 BOE TECHNOLOGY GROUP CO., LTD. [CN]/[CN]
  • 绵阳京东方光电科技有限公司 MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 黄应龙 HUANG, Yinglong
  • 杨炳伟 YANG, Bingwei
  • 高文宝 GAO, Wenbao
Agents
  • 北京银龙知识产权代理有限公司 DRAGON INTELLECTUAL PROPERTY LAW FIRM
Priority Data
201811479299.805.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) PIXEL CIRCUIT, PIXEL DRIVE METHOD, AND DISPLAY APPARATUS
(FR) CIRCUIT DE PIXELS, PROCÉDÉ D'ENTRAÎNEMENT DE PIXELS ET APPAREIL D'AFFICHAGE
(ZH) 像素电路、像素驱动方法和显示装置
Abstract
(EN)
A pixel circuit, a pixel drive method, and a display apparatus, the pixel circuit comprising a light-emitting element (EL), a drive unit (11), a light emission control unit (12), a drive control unit (13), an energy storage unit (14), a first reset unit (15), and a second reset unit (16), the first reset unit (15) being used for controlling a first voltage (V1) outputted by a first voltage line (VT1) to be written to a first terminal of the drive unit (11) under the control of a reset control line (Reset); the second reset unit (16) is used for controlling an initial voltage (Vinit) outputted by an initial voltage line (Init) to be written to a control terminal of the drive unit (11) under the control of the reset control line (Reset); and the drive unit (11) is used for driving the light-emitting element (EL) to emit light under the control of the control terminal.
(FR)
La présente invention concerne un circuit de pixels, un procédé d'entraînement de pixels et un appareil d'affichage, le circuit de pixels comprenant un élément émetteur de lumière (EL), une unité d'entraînement (11), une unité de commande d'émission de lumière (12), une unité de commande d'entraînement (13), une unité de stockage d'énergie (14), une première unité de réinitialisation (15) et une seconde unité de réinitialisation (16), la première unité de réinitialisation (15) étant utilisée pour commander une première tension (V1) délivrée par une première ligne de tension (VT1) devant être écrite sur une première borne de l'unité d'entraînement (11) sous la commande d'une ligne de commande de réinitialisation (Reset); la seconde unité de réinitialisation (16) étant utilisée pour commander une tension initiale (Vinit) délivrée par une ligne de tension initiale (Init) devant être écrite sur une borne de commande de l'unité d'entraînement (11) sous la commande de la ligne de commande de réinitialisation (Reset); et l'unité d'entraînement (11) étant utilisée pour entraîner l'élément émetteur de lumière (EL) pour l'émission de lumière sous la commande de la borne de commande.
(ZH)
一种像素电路、像素驱动方法和显示装置,像素电路包括发光元件(EL)、驱动单元(11)、发光控制单元(12)、驱动控制单元(13)、储能单元(14)、第一复位单元(15)和第二复位单元(16),其中,第一复位单元(15)用于在复位控制线(Reset)的控制下,控制第一电压线(VT1)输出的第一电压(V1)写入驱动单元(11)的第一端;第二复位单元(16)用于在复位控制线(Reset)的控制下,控制初始电压线(Init)输出的初始电压(Vinit)写入驱动单元(11)的控制端;驱动单元(11)用于在其控制端的控制下,驱动发光元件(EL)发光。
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