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. 06, 2021
Filed:
Jun. 22, 2018
Hkc Corporation Limited, Guangdong, CN;
Chongqing Hkc Optoelectronics Technology Co., Ltd., Chongqing, CN;
Mingliang Wang, Chongqing, CN;
HKC CORPOR ATION LIMITED, Guangdong, CN;
CHONGQING HKC OPTOELECTRONICS CO., LTD, Chongqing, CN;
Abstract
The present disclosure discloses a method and a device for adjusting gray scale of a display panel, the method comprises: performing image acquisition on a display panel, and obtaining a current image; identifying an nonuniform block in the current image, and detecting an original output brightness and an original input gray scale of the nonuniform block; determining a target input gray scale corresponding to a preset target brightness according to an actual Gamma curve value, the actual Gamma curve value is obtained through testing the display panel; using a difference value between the original input gray scale and the target input gray scale as a gray scale compensation value of the nonuniform block.