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:
Sep. 20, 2022
Filed:
Dec. 14, 2020
Lg Display Co., Ltd., Seoul, KR;
Ji-Hee Song, Seoul, KR;
Chul-Kwon Lee, Gimpo-si, KR;
Ho-Chul Lee, Seoul, KR;
Ji-Hwan Kim, Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed are a display device and a compensation method thereof for preventing and compensating for deterioration of pixels using average data of stress for each pixel. The display device includes a display panel comprising a plurality of pixels provided thereon and configured to display an image, a display driver configured to output a driving signal for driving the display panel, a timing controller configured to generate stress data by converting grayscale values included in image data into stress values, to accumulate the stress data for each pixel, to calculate average data for each pixel corresponding to an accumulated number of times, to determine a compensation value by performing lossless and lossy compression and restoration on the average data in a regular region and an irregular region, respectively, and to provide the compensation value to the display driver.