Title:
BACKLIGHT DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/188197
Kind Code:
A1
Abstract:
A backlight driving circuit (100) and a liquid crystal display apparatus (1000). A light emitting control module (102) is added to the backlight driving circuit (100) and is used for controlling the turning on or off of a light emitting device (101), so as to control the turning on or off of backlight, thereby achieving frame-by-frame black insertion of backlight of the liquid crystal display apparatus (1000), and satisfying BFI function requirements. In addition, after the deflection of the liquid crystal layer (30) is stabilized, the backlight of the liquid crystal display apparatus (1000) is turned on for normal picture display, such that the problem of the trailing of a display picture can be improved.
Inventors:
LIU JINFENG (CN)
Application Number:
PCT/CN2021/081280
Publication Date:
September 15, 2022
Filing Date:
March 17, 2021
Export Citation:
Assignee:
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G09G3/36; G09G3/20; G09G3/32
Foreign References:
| CN107945739A | 2018-04-20 | |||
| CN107170407A | 2017-09-15 | |||
| CN107086025A | 2017-08-22 | |||
| CN110322833A | 2019-10-11 | |||
| CN111883055A | 2020-11-03 | |||
| CN111798789A | 2020-10-20 | |||
| US20130002736A1 | 2013-01-03 |
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
Download PDF: