Abstract: An organic light emitting diode display device is disclosed which includes: a scan switch controlled by a scan pulse on a gate line and connected between a data line and a first node; a driving switch which includes a gate electrode connected to the first node, a source electrode connected to a second node, and a drain electrode connected to a first driving voltage line; a sensing switch controlled by a sensing control signal and connected between the second node and a third node on a sensing line; and an organic light emitting diode connected between the second node and a second driving voltage line.
Type:
Grant
Filed:
May 12, 2015
Date of Patent:
April 24, 2018
Assignee:
LG Dispay Co., Ltd.
Inventors:
Sang Ho Yu, Tae Gung Kim, Jong Min Lee, Myung Gi Lim, Hye Mi Oh, Hun Ki Shin, Jin han Yoon
Abstract: An array substrate includes: a substrate; a gate line and a gate electrode on the substrate; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including a first insulator and a second insulator on the first insulator, wherein the first insulator includes an aluminum oxide material and has a first thickness, and the second insulator includes a hafnium oxide material and has a second thickness; an oxide semiconductor layer on the gate insulating layer over the gate electrode; a data line over the gate insulating layer; a source electrode and a drain electrode contacting the oxide semiconductor layer; a passivation layer on the data line, the source electrode and the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to a drain electrode through a drain contact hole.
Type:
Grant
Filed:
December 8, 2011
Date of Patent:
April 29, 2014
Assignees:
LG Dispay Co., Ltd, Inpria Corporation
Inventors:
Jung Han Kim, Chi-Wan Kim, Jeremy T. Anderson, Kai Jiang