公开(公告)号：US20240371313A1

公开(公告)日：2024-11-07

申请号：US18685695

申请日：2021-09-15

Applicant: LG ELECTRONICS INC.

Inventor： Wonsang JEONG

IPC: G09G3/20

Abstract: A display device according to an embodiment of the present invention may comprise: a display panel; a back-end interface which transmits image data to the display panel; a memory which stores an initial setting voltage; and a processor which senses an input voltage output from a DC/DC converter and transmitted to the back-end interface, compares the sensed input voltage with the initial setting voltage, acquires a voltage compensation value on the basis of a result of the comparison, and transmits the acquired voltage compensation value to the DC/DC converter.

公开(公告)号：US20220319458A1

公开(公告)日：2022-10-06

申请号：US17629347

申请日：2019-08-20

Applicant: LG ELECTRONICS INC.

Inventor： Wonsang JEONG

IPC: G09G3/36 ,  G09G3/34 ,  G09G3/32

Abstract: The present invention relates to a display device having a more improved variable refresh rate (VRR) function, and comprises: a control unit for executing a variable refresh rate (VRR) function of adjusting a screen refresh rate according to an image signal; and a display unit for outputting an image according to the screen refresh rate, wherein the control unit can increase the screen refresh rate adjusted according to the image signal.

公开(公告)号：US20250078944A1

公开(公告)日：2025-03-06

申请号：US18815077

申请日：2024-08-26

Applicant: LG ELECTRONICS INC.

Inventor： Wonsang JEONG

IPC: G11C29/10 ,  G11C29/04 ,  G11C29/12

Abstract: An image display device is disclosed. The image display device includes a memory controller configured to output a first signal and a toggling second signal, a first memory configured to process the first signal based on the second signal, and a second memory, wherein the memory controller performs a Shmoo test on the second signal based on the image display device being turned off, stores data on results of performing the Shmoo test in the second memory, and outputs the second signal based on data stored in the second memory based on the image display device being turned on.