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. 12, 2022
Filed:
Dec. 10, 2020
Lg Display Co., Ltd., Seoul, KR;
Ji-Hee Song, Seoul, KR;
Chul-Kwon Lee, Gimpo-si, KR;
Ho-Chul Lee, Seoul, KR;
Se-Ho Lim, Seongnam-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
The present disclosure relates to an organic light emitting display device. The device includes, among others, a controller including a data compensator configured to accumulate stress data applied to organic light emitting diodes (OLEDs) on the basis of input image data, to generate accumulated stress data under a condition for recovery of accumulated loss in a loss region, to compress and restore the accumulated stress data in a lossless manner and a loss manner to determine a compensated value and to output the compensated value. Accordingly, it is possible to estimate previous loss data on the basis of new image data to be currently accumulated, recover loss and accumulate data to prevent accumulation of loss and efficiently compensate for afterimage due to deterioration of OLEDs to extend the period of use.