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1. (WO2019041586) SCANNING DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY
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Pub. No.: WO/2019/041586 International Application No.: PCT/CN2017/112443
Publication Date: 07.03.2019 International Filing Date: 23.11.2017
IPC:
G09G 3/36 (2006.01) ,G11C 19/28 (2006.01)
G PHYSICS
09
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3
Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20
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
34
by control of light from an independent source
36
using liquid crystals
G PHYSICS
11
INFORMATION STORAGE
C
STATIC STORES
19
Digital stores in which the information is moved stepwise, e.g. shift registers
28
using semiconductor elements
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]; 中国广东省深圳市 光明新区公明街道塘明大道9-2号 No. 9-2, Tangming Rd, Gongming Street Guangming New District Shenzhen, Guangdong 518000, CN
Inventors:
曾勉 ZENG, Mian; CN
Agent:
深圳市威世博知识产权代理事务所(普通合伙) CHINA WISPRO INTELLECTUAL PROPERTY LLP.; 中国广东省深圳市 南山区高新区粤兴三道8号中国地质大学产学研基地中地大楼A806 Room A806, Zhongdi Building China University of Geosciences Base No. 8 Yuexing 3rd Road, High-Tech Industrial Estate Nanshan District, Shenzhen, Guangdong 518057, CN
Priority Data:
201710789721.904.09.2017CN
Title (EN) SCANNING DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY
(FR) CIRCUIT DE COMMANDE DE BALAYAGE ET ÉCRAN D'AFFICHAGE À CRISTAUX LIQUIDES
(ZH) 一种扫描驱动电路以及液晶显示器
Abstract:
(EN) A scanning driving circuit and a liquid crystal display. The scanning driving circuit comprises a plurality of cascaded GOA units. Each GOA unit comprises a pull-up circuit (20), a control circuit (10), a transfer circuit (30), a pull-down circuit (40), and a pull-down holding circuit (50). The control circuit (10) specifically comprises a first control circuit (11) and a second control circuit (12). During forward scanning, the first control circuit (11) is used for turning on the pull-up circuit (20) when the scanning is started, and the second control circuit (12) is used for turning off the pull-up circuit (20) when the scanning is completed; and during reverse scanning, the second control circuit (12) is used for turning on the pull-up circuit (20) when the scanning is started, and the first control circuit (11)is used for turning off the pull-up circuit (20) when the scanning is completed. Thus, the structure of the circuit is simplified, and the power consumed by the circuit is reduced.
(FR) La présente invention concerne un circuit de commande de balayage et un écran d'affichage à cristaux liquides. Le circuit de commande de balayage consiste en une pluralité d'unités de grille sur réseau (GOA) en cascade. Le nième étage d'unités de GOA consiste en un circuit de rappel vers le haut (20), un circuit de commande (10), un circuit de transfert (30), un circuit de rappel vers le bas (40) et un circuit de maintien de rappel vers le haut (50). Le circuit de commande (10) comprend plus précisément un premier circuit de commande (11) et un second circuit de commande (12). Pendant le balayage vers l'avant, le premier circuit de commande (11) est destiné à activer le circuit de rappel vers le haut (20) lorsque le balayage est démarré et le second circuit de commande (12) est destiné à désactiver le circuit de rappel vers le haut (20) lorsque le balayage est terminé ; et pendant le balayage inverse, le second circuit de commande (12) est destiné à activer le circuit de rappel vers le haut (20) lorsque le balayage est démarré et le premier circuit de commande (11) est destiné à désactiver le circuit de rappel vers le haut (20) lorsque le balayage est terminé. Ainsi, la structure du circuit est simplifiée et la puissance consommée par le circuit est réduite.
(ZH) 一种扫描驱动电路以及液晶显示器,扫描驱动电路包括多个级联的GOA单元,每个GOA单元包括上拉电路(20)、控制电路(10)、下传电路(30)、下拉电路(40)和下拉维持电路(50);其中,控制电路(10)具体包括第一控制电路(11)和第二控制电路(12);在正向扫描时,第一控制电路(11)用于在扫描开始时使上拉电路(20)开启,第二控制电路(12)用于在扫描完成时使上拉电路(20)关闭;在反向扫描时,第二控制电路(12)用于在扫描开始时使上拉电路(20)开启,第一控制电路(11)用于在扫描完成时使上拉电路(20)关闭,从而简化了电路的结构,降低了电路的功耗。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)