The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2022
Filed:
Jun. 22, 2018
Hkc Corporation Limited, Guangdong, CN;
Chongqing Hkc Optoelectronics Technology Co., Ltd., Chongqing, CN;
Mingliang Wang, Chongqing, CN;
HKC CORPORATION LIMIIED, Shenzhen, CN;
CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., Chongqing, CN;
Abstract
The present disclosure discloses a method and device () for adjusting grayscale of display panel, the method includes: performing image capture on the display panel, and obtaining a current image (S); identifying an uneven area in the current image, and detecting original output brightness and original input grayscale of the uneven area (S); determining a target input grayscale corresponding to a preset target brightness according to actual Gamma curve value which is obtained by testing the display panel (S); using the difference between the original input grayscale and the target input grayscale as grayscale compensation value of the uneven area (S).