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:
Jan. 29, 2019
Filed:
Jan. 03, 2017
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Multimedia Technology Co., Ltd., Beijing, CN;
Xiangchun Xiao, Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Beijing BOE Multimedia Technology Co., Ltd., Beijing, CN;
Abstract
The present invention relates to a gamma adjustment method, which includes: measuring a minimum brightness value Land a maximum brightness value Lof a display panel; wherein the minimum brightness value Lis a brightness value at gray level 0, and the maximum brightness value Lis a brightness value at gray level n; calculating value of a first intermediate parameter x according to formula where m is a gamma value of the display panel; calculating value of a second intermediate parameter y according to formula calculating a brightness value Lat gray level z according to formula where z is an integer ranging from 1 to (n−1); and adjusting the brightnesses of the display panel based on the minimum brightness value L, the maximum brightness value L, and the brightness values at gray level 1 to gray level (n−1).