公开(公告)号：US11749186B2

公开(公告)日：2023-09-05

申请号：US17708485

申请日：2022-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： DongHyun Noh ,  Wonwoo Jang ,  Kyoungho Lim

IPC: G09G3/3208

CPC classification number: G09G3/3208 ,  G09G2320/0257 ,  G09G2320/0626

Abstract: A display device includes a display panel including a correction area in which a correction image including a logo image and a logo background image is displayed, and a panel driving block. The panel driving block includes a luminance correction block which corrects a luminance of the correction image, and the luminance correction block includes a first correction block which divides the correction area into a plurality of sub-areas, based on a distance from the logo image and generates an area correction signal for correcting the luminance of the correction image, a second correction block which generates a luminance correction signal for correcting the luminance of the correction image displayed in each of the sub-areas, based on a grayscale of the image signal and the area correction signal, and a third correction block which corrects the luminance of the correction image.