公开(公告)号：US20210057457A1

公开(公告)日：2021-02-25

申请号：US16890756

申请日：2020-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jay Bum KIM ,  Myeong Ho KIM ,  Kyoung Seok SON ,  Seung Jun LEE ,  Seung Hun LEE ,  Jun Hyung LIM

IPC: H01L27/12 ,  H01L27/32

Abstract: A display device includes: a bending region including a bending peripheral opening passing through the first interlayer insulating film and the first gate insulating film and a bending opening in the bending peripheral opening and passing through the second interlayer insulating film and the buffer layer to expose the substrate, a first sidewall of the bending peripheral opening includes a side surface of the first interlayer insulating film and a side surface of the first gate insulating film, the second interlayer insulating film covers the first sidewall of the bending peripheral opening, the bending opening includes a second sidewall including a side surface of the buffer layer and a portion of a side surface of the second interlayer insulating film arranged with the side surface of the buffer layer, and the first via layer fills the bending opening.