Title:
METHOD FOR ELIMINATING BACKLIGHT MURA
Document Type and Number:
WIPO Patent Application WO/2019/210641
Kind Code:
A1
Abstract:
A method for eliminating backlight Mura, the method comprising: dividing backlight emitted by a backlight module into a plurality of backlight sub-regions (R), and further respectively dividing each of the backlight sub-regions (R) into a plurality of unit blocks (U); then selecting a certain backlight sub-region (R) from among all the backlight sub-regions (R) as a standard backlight sub-region, selecting, from brightness compensation data of all the backlight sub-regions (R), brightness compensation data corresponding to the standard backlight sub-region, and calculating the brightness differences between all the other backlight sub-regions (R), other than the standard backlight sub-region, and the standard backlight sub-region; and then implementing brightness compensation on the corresponding backlight sub-regions (R) according to the brightness compensation data corresponding to the standard backlight sub-region and the calculated brightness differences between the other backlight sub-regions (R) and the standard backlight sub-region. According to the method, the defect of backlight Mura can be effectively eliminated, and a direct-type backlight module may be made thinner or the cost thereof may be lowered; moreover, the data storage volume can be substantially reduced, and logical resources are saved on.
Inventors:
XIAO GUANGXING (CN)
FU YUHONG (CN)
FU YUHONG (CN)
Application Number:
PCT/CN2018/107818
Publication Date:
November 07, 2019
Filing Date:
September 27, 2018
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECT (CN)
International Classes:
G09G3/34
Foreign References:
| CN107591120A | 2018-01-16 | |||
| CN107180605A | 2017-09-19 | |||
| CN107203056A | 2017-09-26 | |||
| CN107863080A | 2018-03-30 | |||
| CN105304029A | 2016-02-03 | |||
| US20110012908A1 | 2011-01-20 |
Attorney, Agent or Firm:
COMIPS INTELLECTUAL PROPERTY OFFICE (CN)
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