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. 21, 2025
Filed:
Dec. 11, 2023
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Guangdong, CN;
Ling Xu, Guangdong, CN;
Abstract
Compensation methods and brightness compensation devices for a display panel are provided. The compensation method includes: photographing, by camera components, the display panel displaying a preset grayscale to obtain actual primary subpixel brightness; photographing, by the camera components, the display panel displaying the preset grayscale to obtain actual secondary subpixel brightness; calculating front view compensation values of the areas to be compensated according to a primary subpixel target brightness and the actual primary subpixel brightness; determining a secondary subpixel target brightness according to the primary subpixel target brightness and a brightness relationship lookup table; calculating side view compensation values of the areas to be compensated according to the secondary subpixel target brightness and the actual secondary subpixel brightness; compensating brightness of the primary subpixels and the secondary subpixels in the areas to be compensated according to the front view compensation values and the side view compensation values.