公开(公告)号：US12154522B2

公开(公告)日：2024-11-26

申请号：US18254784

申请日：2020-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongmin Lee ,  Sunwoo Jung ,  Myongyoung Lee ,  Kyuyong Chung ,  Wonki Lee ,  Seokpan Kang

IPC: G09G3/34

Abstract: The present disclosure relates to an image display apparatus. The image display apparatus according to an embodiment of the present disclosure includes a display panel; a plurality of light sources configured to output light to the display panel; a plurality of switching elements configured to switch the light sources, respectively; and a processor configured to output a switching control signal having variable amplitude to the switching element, wherein the processor controls a driving frequency of the light source to be a second frequency higher than a first frequency corresponding to a vertical synchronization signal of the panel. Thus, the sharpness of the image can be improved.