Title:
PARTITION-BASED BACKLIGHT CONTROL METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/100675
Kind Code:
A1
Abstract:
A partition-based backlight control method and device. The method comprises: obtaining an original gray scale value of pixel points of an image; obtaining a backlight control coefficient correction factor according to the original gray scale value; and obtaining a first backlight control coefficient and a second backlight control coefficient on the basis of the backlight control coefficient correction factor and the original gray scale value, and adjusting backlight brightness according to the first backlight control coefficient and the second backlight control coefficient. In this way, a difference between a displayed image and a real image can be reduced.
Inventors:
ZHA GUOWEI (CN)
Application Number:
PCT/CN2018/087673
Publication Date:
May 31, 2019
Filing Date:
May 21, 2018
Export Citation:
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G09G3/34; G09G3/36
Foreign References:
| CN107680542A | 2018-02-09 | |||
| CN101707051A | 2010-05-12 | |||
| CN102102824A | 2011-06-22 | |||
| CN101211537A | 2008-07-02 | |||
| CN101937652A | 2011-01-05 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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