公开(公告)号：US12051374B2

公开(公告)日：2024-07-30

申请号：US17523518

申请日：2021-11-10

Applicant: LG DISPLAY CO., LTD.

Inventor： Seong Hwan Hwang ,  Byeong Uk Gang ,  Mun Chae Yoon

IPC: G09G3/3275 ,  G09G3/3258 ,  H10K59/124 ,  H10K59/131

CPC classification number: G09G3/3275 ,  G09G3/3258 ,  H10K59/124 ,  H10K59/131 ,  G09G2300/0876

Abstract: A display panel includes a first metal layer; a first insulating layer covering the first metal layer; a semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer to cover the semiconductor layer; and a second metal layer disposed on the second insulating layer, wherein the first metal layer comprises a bottom gate electrode of a driving element, wherein the second metal layer comprises a top gate electrode of the driving element connected to the bottom gate electrode through a first contact hole penetrating the second insulating layer and the first insulating layer, wherein the semiconductor layer comprises a semiconductor channel of the driving element overlapping with the top gate electrode and the bottom gate electrode.

公开(公告)号：US11430396B2

公开(公告)日：2022-08-30

申请号：US17470589

申请日：2021-09-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Seong Hwan Hwang ,  Mun Chae Yoon

IPC: G09G3/3291 ,  G09G3/3258

Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes: a plurality of data lines to which a data voltage is applied; a plurality of pixel driving voltage lines arranged parallel to the data lines, and to which a pixel driving voltage is applied; and a plurality of reference voltage lines overlapping the pixel driving voltage lines with an insulating layer disposed therebetween, arranged in parallel with the data lines, and to which a reference voltage lower than the pixel driving voltage is applied.