公开(公告)号：US20210096433A1

公开(公告)日：2021-04-01

申请号：US16897191

申请日：2020-06-09

Applicant: Samsung Display Co., Ltd.

Inventor： SeungBo SHIM ,  Hongmin YOON ,  Dasom KANG

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1337 ,  G02F1/133 ,  G02F1/1345 ,  G02F1/1339 ,  G02F1/1343

Abstract: A display substrate includes a base substrate and a plurality of insulating layers disposed on a surface of the base substrate. A groove is defined in the insulating layers in a non-display area of the display substrate. An end portion of an alignment layer is disposed in the groove. The groove is capable of controlling a flow of a liquid alignment material to prevent the liquid alignment material from overflowing to an edge of the base substrate. The groove is formed simultaneously in a process of forming contact holes in a display area of the display substrate. Accordingly, a structure corresponding to the end portion of the alignment layer to control the flow of the liquid alignment material is formed without increasing the number of masks.