公开(公告)号：US11626580B2

公开(公告)日：2023-04-11

申请号：US17036819

申请日：2020-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seungwan Kim ,  Jinkuk Wee ,  Woojin Lee ,  Kyunguk Choi

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3233

Abstract: A manufacturing method of a display apparatus includes forming a display layer on a substrate; forming an opening by irradiating laser onto the display layer; and sealing the display layer formed on the substrate. The laser is irradiated according to a spiral movement path, and the opening is formed by irradiating the laser at least twice at the same location.