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1. WO2020113677 - DISPLAY PANEL DRIVING DEVICE

Publication Number WO/2020/113677
Publication Date 11.06.2020
International Application No. PCT/CN2018/121857
International Filing Date 18.12.2018
IPC
G09G 3/36 2006.01
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
34by control of light from an independent source
36using liquid crystals
H02M 3/158 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
CPC
G09G 3/36
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
34by control of light from an independent source
36using liquid crystals
H02M 3/158
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
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
  • 肖剑锋 XIAO, Jianfeng
Agents
  • 深圳市德力知识产权代理事务所 COMIPS INTELLECTUAL PROPERTY OFFICE
Priority Data
201811490351.X06.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) DISPLAY PANEL DRIVING DEVICE
(FR) DISPOSITIF DE COMMANDE DE PANNEAU D'AFFICHAGE
(ZH) 显示面板驱动装置
Abstract
(EN)
Provided is a display panel driving device. The display panel driving device comprises a power supply conversion circuit (1) and a main board (2) electrically connected with the power supply conversion circuit (1); the power supply conversion circuit (1) comprises a detection control module (11), and a first output module (12) and a second output module (13), which are electrically connected with the detection control module (11), the detection control module (11) recognizes a voltage value of a power supply voltage (Vc), controls the first output module (12) or the second output module (13) to work according to the difference between voltage values, so that the voltage input to the main board (2) is always consistent with the working voltage of the main board (2), and one main board (2) can cooperate with two different power sources (3), thereby expanding the application range of the main board (2), and reducing management and control cost of products.
(FR)
L'invention concerne un dispositif de commande de panneau d'affichage. Le dispositif de commande de panneau d'affichage comprend un circuit de conversion d'alimentation en énergie (1) et une carte mère (2) connectée électriquement au circuit de conversion d'alimentation en énergie (1); le circuit de conversion d'alimentation en énergie (1) comprend un module de commande de détection (11), et un premier module de sortie (12) et un second module de sortie (13), qui sont électriquement connectés au module de commande de détection (11), le module de commande de détection (11) reconnaît une valeur de tension d'une tension d'alimentation (Vc), commande au premier module de sortie (12) ou au second module de sortie (13) de fonctionner en fonction de la différence entre les valeurs de tension, de telle sorte que l'entrée de tension sur la carte mère (2) est toujours compatible avec la tension de travail de la carte mère (2), et qu'une carte mère (2) peut coopérer avec deux sources d'alimentation différentes (3), élargissant ainsi la plage d'application de la carte mère (2), et réduisant la gestion et le coûts de contrôle des produits.
(ZH)
一种显示面板驱动装置。显示面板驱动装置包括电源转换电路(1)及与电源转换电路(1)电性连接的主板(2);电源转换电路(1)包括侦测控制模块(11)以及与侦测控制模块(11)电性连接的第一输出模块(12)和第二输出模块(13),通过侦测控制模块(11)识别电源电压(Vc)的电压值,根据电压值的不同控制第一输出模块(12)或第二输出模块(13)工作,使得输入到主板(2)的电压始终与主板(2)的工作电压一致,实现一块主板(2)能够搭配两种不同的电源(3)使用,扩展主板(2)的应用范围,降低产品的管控成本。
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