公开(公告)号：US10169854B2

公开(公告)日：2019-01-01

申请号：US14849828

申请日：2015-09-10

Applicant: LG Display Co., Ltd.

Inventor： DongChun Kang ,  JungBum Kim

IPC: G02F1/1339 ,  G06T7/00 ,  G02F1/13 ,  G06T7/70 ,  G02F1/1333

Abstract: The present invention disposes a plurality of measuring marks on a dummy region having a seal line to detect a position and a width of the seal line during a fabrication process of a liquid crystal display device and then process can be terminated without further processes in case of bad quality of the seal line, thereby process delay and cost may be minimized.

公开(公告)号：US10262592B2

公开(公告)日：2019-04-16

申请号：US15362998

申请日：2016-11-29

Applicant: LG Display Co., Ltd.

Inventor： DongChun Kang ,  JongHyun Kim

IPC: G09G3/3258

Abstract: A sub-pixel of an organic light emitting display device comprising an organic light emitting diode connected to a first node; a driving transistor comprising a first electrode, a second electrode connected to the first node, and a gate electrode connected to a second node; a first capacitor connected between the first node and the second node; a second capacitor connected between a programming line and the second node; a first transistor comprising a first electrode connected to the first electrode of the driving transistor, a second electrode connected to the second node, and a gate electrode connected to a scan line; and the first capacitor and the second capacitor are configured to couple the voltage of the first node and the voltage of the second node based on the programming voltage applied to the programming line.

公开(公告)号：US10115343B2

公开(公告)日：2018-10-30

申请号：US15362325

申请日：2016-11-28

Applicant: LG DISPLAY CO., LTD.

Inventor： DongChun Kang ,  JongHyun Kim

IPC: G09G3/3233 ,  G09G3/3291

Abstract: A sub-pixel of an organic light emitting display device according to an embodiment includes an organic light emitting diode connected to a first node; a driving transistor comprising a first electrode, a second electrode connected to the first node, and a gate electrode connected to a second node; a first capacitor connected between the first node and the second node; a second capacitor connected between an emission control line and the second node; a first transistor comprising a first electrode connected to the first electrode of the driving transistor, a second electrode connected to the second node, and a gate electrode connected to a scan line; and a second transistor comprising a first electrode connected to a high potential voltage line, a second electrode connected to the first electrode of the driving transistor, and a gate electrode connected to the emission control line.