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:
Oct. 19, 2021
Filed:
Dec. 22, 2020
Xiamen Tianma Micro-electronics Co., Ltd., Xiamen, CN;
Jiafeng Dai, Shanghai, CN;
Ronghua Li, Shanghai, CN;
Xiamen Tianma Micro-Electronics Co., Ltd., Xiamen, CN;
Abstract
Provided are a residual image detection method and apparatus of a display panel, and a display device. The method includes: controlling a display panel to display a chessboard picture for a preset duration, controlling the display panel to display a pure color picture having a third grayscale, the pure color picture includes multiple pure color sub-pictures, and each of pure color sub-picture includes a middle area and multiple edge areas surrounding the middle area; detecting a luminance of each of the multiple edge areas in the pure color picture; and calculating the residual image quantization value of each of the multiple edge areas according to the luminance of each of the multiple edge areas and a formula, and determining a residual image quantization value of the display panel according to residual image quantization values of the multiple edge areas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile