公开(公告)号：US20190189956A1

公开(公告)日：2019-06-20

申请号：US16210776

申请日：2018-12-05

Applicant: LG Display Co., Ltd.

Inventor： JoonWon PARK ,  MooChan KANG ,  Kunyoung LEE

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5246 ,  H01L27/3244 ,  H01L51/5259 ,  H01L51/56 ,  H01L2251/5361

Abstract: A lighting device includes a substrate having a light emitting area and a non-light emitting area surrounding the light emitting area, a light emitting part in the light emitting area, a first inorganic layer on the light emitting part and the non-light emitting area, a first organic layer on the first inorganic layer overlapping the light emitting part, a second inorganic layer on the first organic layer, a protruding part on the first inorganic layer of the non-light emitting area, and a cover layer on the protruding part.