公开(公告)号：US20240021143A1

公开(公告)日：2024-01-18

申请号：US18107409

申请日：2023-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Sik YOON ,  Jong Woon KIM ,  Won Jin SEO ,  Ki Hyun SUNG ,  Ye Seul LEE ,  Dae Ho HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/08 ,  G09G2320/0271 ,  G09G2330/04

Abstract: A display device includes: a pixel component including pixels; a timing controller configured to calculate a load variation between previous input grayscale values corresponding to a previous frame and current input grayscale values corresponding to a current frame; a current sensor configured to sense a current flowing through the pixels during the current frame and generate a global current value for the sensed current, store time points at which the global current value becomes equal to preset threshold current values, respectively, and generate a global current variation rate corresponding to a section between the stored time points of the current frame; and a scale factor provider configured to control a scale factor in a period of the current frame in the case where the load variation is equal to or more than a reference load variation.