公开(公告)号：US10459278B2

公开(公告)日：2019-10-29

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 ,  G02F1/1333 ,  H01L51/00 ,  G02F1/1362 ,  H01L27/32 ,  G02F1/1337

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.

公开(公告)号：US11487396B2

公开(公告)日：2022-11-01

申请号：US17374896

申请日：2021-07-13

Applicant: LG DISPLAY CO., LTD.

Inventor： HoanSu Shim ,  JuHan Kim ,  Wonjoung Kim ,  Yeonock Ha

IPC: G06F3/044 ,  G06F3/041

Abstract: A touch display device and a touch driving method thereof enable to effectively identify a ghost touch while reducing a number of touch lines and touch sensing units by differently disposing an arrangement of the touch electrodes to which the touch lines are connected for each touch block.