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1. WO2019033709 - SCANNING DRIVE CIRCUIT, ARRAY SUBSTRATE AND DISPLAY PANEL

Publication Number WO/2019/033709
Publication Date 21.02.2019
International Application No. PCT/CN2018/073502
International Filing Date 19.01.2018
IPC
G09G 3/36 2006.1
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
34by control of light from an independent source
36using liquid crystals
G09G 3/3266 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
3266Details of drivers for scan electrodes
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 2310/0267
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2310Command of the display device
02Addressing, scanning or driving the display screen or processing steps related thereto
0264Details of driving circuits
0267Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
G09G 2310/0286
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2310Command of the display device
02Addressing, scanning or driving the display screen or processing steps related thereto
0264Details of driving circuits
0286Details of a shift registers arranged for use in a driving circuit
G09G 3/20
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
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 3/3266
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]
3266Details of drivers for scan electrodes
Applicants
  • 深圳市华星光电半导体显示技术有限公司 SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 石龙强 SHI, Longqiang
  • 陈书志 CHEN, Shujhih
Agents
  • 广州三环专利商标代理有限公司 SCIHEAD IP LAW FIRM
Priority Data
201710702249.016.08.2017CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) SCANNING DRIVE CIRCUIT, ARRAY SUBSTRATE AND DISPLAY PANEL
(FR) CIRCUIT DE COMMANDE DE BALAYAGE, SUBSTRAT DE RÉSEAU ET PANNEAU D'AFFICHAGE
(ZH) 扫描驱动电路、阵列基板与显示面板
Abstract
(EN)
Disclosed are a scanning drive circuit (103), an array substrate (10c) provided with the scanning drive circuit (103), and a display panel (10). The scanning drive circuit (103) comprises a pull-up unit (42) and a bootstrap unit (43) arranged on a surface of a base (GL), wherein the pull-up unit (42) comprises a pull-up thin film transistor (T21) used for outputting a scanning drive signal; the bootstrap unit (43) comprises a bootstrap capacitor (Cb) electrically connected to the pull-up thin film transistor (T21) and used for maintaining the stability of the scanning drive signal; the pull-up thin film transistor (T21) comprises a gate electrode (G), a first insulating layer (GI), a source electrode (S) and a drain electrode (D) successively stacked on the surface of the base (GL); and the bootstrap capacitor (Cb) comprises a first conductive electrode (Pa) and a second conductive electrode (Pb), wherein the first conductive electrode (Pa) and the source electrode (S) are arranged on the same layer and are electrically connected to each other; a second insulating layer (PV) is arranged between the second conductive electrode (Pb) and the first conductive electrode (Pa); and the second conductive electrode (Pb) is electrically connected to the gate electrode (G) via a first via hole (H1), and the first via hole (H1) runs through the second insulating layer (PV) and the first insulating layer (GI).
(FR)
La présente invention concerne un circuit de commande de balayage (103), un substrat de réseau (10c) pourvu du circuit de commande de balayage (103), et un panneau d'affichage (10). Le circuit de commande d'affichage (103) comprend une unité de tirage au niveau haut (42) et une unité d'élévation (43) disposées sur une surface d'une base (GL), l'unité de tirage au niveau haut (42) comprend un transistor à couches minces de tirage au niveau haut (T21) utilisé pour délivrer un signal de commande de balayage; l'unité d'élévation (43) comprend un condensateur d'élévation (Cb) connecté électriquement au transistor à couches minces de tirage au niveau haut (T21) et utilisé pour maintenir la stabilité du signal de commande de balayage; le transistor à couches minces de tirage au niveau haut (T21) comprend une électrode de grille (G), une première couche isolante (GI), une électrode de source (S) et une électrode de drain (D) empilées successivement sur la surface de la base (GL); et le condensateur d'élévation (Cb) comprend une première électrode conductrice (Pa) et une seconde électrode conductrice (Pb), la première électrode conductrice (Pa) et l'électrode de source (S) étant disposées sur la même couche et électriquement interconnectées; une seconde couche isolante (PV) est disposée entre la seconde électrode conductrice (Pb) et la première électrode conductrice (Pa); et la seconde électrode conductrice (Pb) est électriquement connectée à l'électrode de grille (G) via un premier trou d'interconnexion (H1), et le premier trou d'interconnexion (H1) traverse la seconde couche isolante (PV) et la première couche isolante (GI).
(ZH)
一种扫描驱动电路(103)以及具有扫描驱动电路(103)的阵列基板(10c)与显示面板(10),扫描驱动电路(103)包括设置于基底(GL)表面的上拉单元(42)与自举单元(43),上拉单元(42)包括用于输出扫描驱动信号的上拉薄膜晶体管(T21),自举单元(43)包括电性连接于上拉薄膜晶体管(T21)用于维持扫描驱动信号稳定的自举电容(Cb)。上拉薄膜晶体管(T21)包括自基底(GL)表面依次层叠设置的栅极(G)、第一绝缘层(GI)、源极(S)与漏极(D)。自举电容(Cb)包括第一导电电极(Pa)与第二导电电极(Pb),第一导电电极(Pa)与源极(S)在同一层设置且相互电性连接,第二导电电极(Pb)与第一导电电极(Pa)之间设置有第二绝缘层(PV),第二导电电极(Pb)通过第一过孔(H1)与栅极(G)电性连接,第一过孔(H1)贯穿第二绝缘层(PV)与所述第一绝缘层(GI)。
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