公开(公告)号：US20180138450A1

公开(公告)日：2018-05-17

申请号：US15805004

申请日：2017-11-06

Applicant: LG Display Co., Ltd.

Inventor： JongChan PARK ,  Jee Hwan OH

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5253 ,  H01L27/3211 ,  H01L27/323 ,  H01L27/3246 ,  H01L27/3258 ,  H01L51/0097 ,  H01L51/5206 ,  H01L51/5234 ,  H01L51/5256 ,  H01L2251/5315 ,  H01L2251/5338

Abstract: Disclosed herein is an organic light-emitting display (OLED) device that includes: a substrate having an active area and an inactive area surrounding the active area; a first planarization layer flattening a surface on circuit elements in the active area and inactive area; an organic light-emitting element on the first planarization layer; an encapsulation element on the organic light-emitting element and the first planarization layer, the encapsulation element having a first inorganic layer, a second inorganic layer and an organic layer between the first and second inorganic layers; and a structure in the inactive area and spaced apart from the first planarization layer. The structure includes a first layer made of a same material as the first planarization layer; a plurality of walls on the first layer and spaced apart from each other; and a second layer that fills a space between the plurality of walls.