Title:
COMMON VOLTAGE COMPENSATION CIRCUIT AND COMMON VOLTAGE COMPENSATION SYSTEM FOR DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2021/012327
Kind Code:
A1
Abstract:
The present application provides a common voltage compensation circuit and a common voltage compensation system for a display panel. The compensation circuit comprises: a compensation unit, used for receiving a common voltage output by the display panel, compensating the common voltage according to a compensation coefficient, and outputting a compensated common voltage to the display panel; and an adjusting unit, used for accessing a control unit in a debugging stage of the display panel, receiving an adjusting signal output by the control unit, and adjusting the compensation coefficient of the compensation unit according to the adjusting signal.
Inventors:
XIAO BO (CN)
Application Number:
PCT/CN2019/100335
Publication Date:
January 28, 2021
Filing Date:
August 13, 2019
Export Citation:
Assignee:
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G09G3/36
Foreign References:
| CN107799082A | 2018-03-13 | |||
| CN102314846A | 2012-01-11 | |||
| CN104050942A | 2014-09-17 | |||
| CN109377960A | 2019-02-22 | |||
| CN101295487A | 2008-10-29 | |||
| CN108198531A | 2018-06-22 | |||
| US20080062155A1 | 2008-03-13 |
Attorney, Agent or Firm:
ESSEN PATENT & TRADEMARK AGENCY (CN)
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