公开(公告)号：US10310340B2

公开(公告)日：2019-06-04

申请号：US15398554

申请日：2017-01-04

Applicant: Samsung Display Co., Ltd.

Inventor： Keum Hee Lee ,  Man Jin Kim ,  Yu Jun Kim ,  Chang Yeol Lee ,  Su Jung Jung ,  Ji Young Jeong

IPC: G02F1/1345 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  H01L29/49 ,  H01L29/786 ,  G02F1/1333

Abstract: A Liquid crystal display device and manufacturing method thereof are provided. According to an exemplary embodiment of the present disclosure, an LCD device includes: a first substrate including a display area and a non-display area disposed outside of the display area; a gate electrode disposed on the first substrate and including a first-layer gate electrode and a second-layer gate electrode disposed on the first-layer gate electrode; a pixel electrode disposed on the same layer as the first-layer gate electrode; a source electrode and a drain electrode disposed on the gate electrode to be spaced from each other; and a contact connecting the drain electrode and the pixel electrode and including a first-layer contact, which is disposed on the same layer as the pixel electrode, and a second-layer contact, which is disposed on the first-layer contact.