公开(公告)号：US20180188595A1

公开(公告)日：2018-07-05

申请号：US15854444

申请日：2017-12-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Junghoon KIM ,  Yoochul SUNG ,  Yeonock HA ,  Byounghee KIM

IPC: G02F1/1335 ,  G02F1/139 ,  G02F1/1333

CPC classification number: G02F1/133514 ,  G02F1/133305 ,  G02F1/133753 ,  G02F1/1362 ,  G02F2001/133354 ,  G02F2001/13625 ,  H01L27/3244 ,  H01L51/0011

Abstract: A display device and a method of manufacturing the same are disclosed. The display device includes a lower substrate, subpixels positioned on the lower substrate, and a fine alignment key positioned in at least one of the subpixels. The method of manufacturing the display device includes forming an alignment key outside a target substrate and forming a fine alignment key inside an active area defined as a display area on the target substrate, aligning the target substrate and a mask substrate using the alignment key and the fine alignment key, and performing an exposure operation using the target substrate and the mask substrate.