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1. WO2020140489 - PIXEL CIRCUIT, DRIVING METHOD THEREFOR AND DISPLAY PANEL

Publication Number WO/2020/140489
Publication Date 09.07.2020
International Application No. PCT/CN2019/107530
International Filing Date 24.09.2019
IPC
G09G 3/3208 2016.1
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
3208organic, e.g. using organic light-emitting diodes
CPC
G09G 2300/0426
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2300Aspects of the constitution of display devices
04Structural and physical details of display devices
0421Structural details of the set of electrodes
0426Layout of electrodes and connections
G09G 2300/0842
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2300Aspects of the constitution of display devices
08Active 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
0809Several active elements per pixel in active matrix panels
0842forming a memory circuit, e.g. a dynamic memory with one capacitor
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 3/3208
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]
G09G 3/3225
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
G09G 3/3233
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
3233with pixel circuitry controlling the current through the light-emitting element
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 THECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 黄应龙 HUANG, Yinglong
  • 杨炳伟 YANG, Bingwei
  • 高文宝 GAO, Wenbao
Agents
  • 中科专利商标代理有限责任公司 CHINA SCIENCE PATENT & TRADEMARK AGENT LTD.
Priority Data
201910001300.402.01.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) PIXEL CIRCUIT, DRIVING METHOD THEREFOR AND DISPLAY PANEL
(FR) CIRCUIT DE PIXEL, PROCÉDÉ DE PILOTAGE POUR CELUI-CI ET PANNEAU D'AFFICHAGE
(ZH) 像素电路及其驱动方法以及显示面板
Abstract
(EN)
A pixel circuit (100), a driving method therefor and a display panel. The pixel circuit (100) comprises: a light-emitting element (110); a drive sub-circuit (120) for generating a current which enables the light-emitting element (110) to emit light; first and second light-emitting control sub-circuits (130, 140), which are respectively constructed to provide, under the control of a first control signal (Con1) and to a first end of the light-emitting element (110), the current which enables the light-emitting element (110) to emit light; a drive control sub-circuit (150), which provides, under the control of a second control signal (Con2), a data signal (Data) to the drive sub-circuit (120); and a reset sub-circuit (160), for resetting, under the control of a first reset signal (Reset1) and a second reset signal (Reset2), the drive sub-circuit (120), the first end of the light-emitting element (110) and a second node (N2) by means of using a first voltage (V1). The pixel circuit (100) is capable of inhibiting residual images.
(FR)
L'invention concerne un circuit de pixel (100), un procédé de pilotage pour celui-ci et un panneau d'affichage. Le circuit de pixel (100) comprend : un élément émettant de la lumière (110) ; un sous-circuit de pilotage (120) permettant de produire un courant qui permet à l'élément émettant de la lumière (110) d'émettre de la lumière ; des premier et deuxième sous-circuits de commande d'émission de lumière (130, 140), qui sont construits respectivement pour fournir, sous la commande d'un premier signal de commande (Con1) et à une première extrémité de l'élément émettant de la lumière (110), le courant qui permet à l'élément émettant de la lumière (110) d'émettre de la lumière ; un sous-circuit de commande de pilotage (150), qui fournit, sous la commande d'un deuxième signal de commande (Con2), un signal de données (Data) au sous-circuit de pilotage (120) ; et un sous-circuit de réinitialisation (160), permettant de réinitialiser, sous la commande d'un premier signal de réinitialisation (Reset1) et d'un deuxième signal de réinitialisation (Reset2), le sous-circuit de pilotage (120), la première extrémité de l'élément émettant de la lumière (110) et un deuxième nœud (N2) au moyen d'une première tension (V1). Le circuit de pixel (100) est capable d'empêcher les images résiduelles.
(ZH)
一种像素电路(100)及其驱动方法和显示面板。该像素电路(100)包括:发光元件(110);驱动子电路(120),用于产生使发光元件(110)发光的电流;第一和第二发光控制子电路(130,140),分别被构造为在第一控制信号(Con1)的控制下,将用于使发光元件(110)发光的电流提供到发光元件(110)的第一端;驱动控制子电路(150),在第二控制信号(Con2)的控制下将数据信号(Data)提供到驱动子电路(120);复位子电路(160),在第一复位信号(Reset1)和第二复位信号(Reset2)的控制下使用第一电压(V1)对驱动子电路(120)、发光元件(110)的第一端以及第二节点(N2)进行复位。该像素电路(100)能够抑制残像。
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Latest bibliographic data on file with the International Bureau