公开(公告)号：US20230206839A1

公开(公告)日：2023-06-29

申请号：US17970422

申请日：2022-10-20

Applicant: LG Display Co., Ltd.

Inventor： HyeMi OH ,  SangWook LEE ,  SoJung LEE

IPC: G09G3/3233 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2310/027 ,  G09G2320/045 ,  G09G2320/0233 ,  G09G2360/16

Abstract: A display device, a data driving circuit and a display driving method are discussed. The display device can include a display panel in which a plurality of subpixel circuits including a light emitting element, a driving transistor, and a sensing transistor are disposed. The display device further can include a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of data lines and supply a constant current to the plurality of subpixel circuits during a resistance sensing period, and a timing controller configured to control the gate driving circuit and the data driving circuit, and supply compensation image data to the display panel by using the resistance of the sensing transistor detected in the resistance sensing period.

公开(公告)号：US20220197441A1

公开(公告)日：2022-06-23

申请号：US17539773

申请日：2021-12-01

Applicant: LG DISPLAY CO., LTD

Inventor： Youngjun CHOI ,  SangWook LEE ,  Yongseon SHIN

IPC: G06F3/044 ,  G06F3/041

Abstract: A light emitting display apparatus is provided, in which at least two touch electrodes are connected with a touch driver through a single touch line and their areas are different from each other, and the light emitting display apparatus comprises a substrate, touch electrodes provided on the substrate, touch lines provided on the substrate, a cover layer covering the touch electrodes and the touch lines, a light emitting driving layer provided on an upper end of the cover layer, and a touch driver connected with the touch lines, wherein at least two touch electrodes are connected to one touch line, and areas of at least two touch electrodes connected to one touch line are different from each other.