公开(公告)号：US11417798B2

公开(公告)日：2022-08-16

申请号：US16878227

申请日：2020-05-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyunghoon Han ,  Wonhoe Koo ,  YongCheol Kim ,  Dongmin Sim ,  YoungDock Cho

IPC: H01L33/14 ,  H01L33/38 ,  H01L25/075 ,  H01L33/58 ,  H01L33/56

Abstract: A light emitting display apparatus can include an insulating layer on a substrate and the insulating layer includes a base portion and a protrusion portion. The light emitting display apparatus further includes a first electrode covering an upper portion of the base portion and a side portion and an upper portion of the protrusion portion. The light emitting display apparatus further includes a bank layer covering a portion of the insulating layer and a portion of the first electrode and having a concave portion. The light emitting display apparatus further includes a light emitting layer on the first electrode and the bank layer, and a second electrode on the light emitting layer.