US 11,699,413 B2
Afterimage compensation device and display device including the same
Jun Gyu Lee, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Aug. 16, 2021, as Appl. No. 17/445,173.
Claims priority of application No. 10-2020-0132512 (KR), filed on Oct. 14, 2020.
Prior Publication US 2022/0114986 A1, Apr. 14, 2022
Int. Cl. G09G 5/10 (2006.01); G09G 3/20 (2006.01)
CPC G09G 5/10 (2013.01) [G09G 3/20 (2013.01); G09G 2320/0257 (2013.01); G09G 2320/0646 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An afterimage compensation device comprising:
an afterimage area detector configured to receive an input image, and detect an afterimage area comprising an afterimage in the input image;
an afterimage area corrector configured to detect a false detection area, and generate a corrected afterimage area, the false detection area being a part of a general area that is not detected as the afterimage area and surrounded in a plurality of directions by the detected afterimage area; and
a compensation data generator configured to adjust a luminance of the corrected afterimage area to generate compensation data.