公开(公告)号：US20230209865A1

公开(公告)日：2023-06-29

申请号：US17972259

申请日：2022-10-24

Applicant: LG Display Co., Ltd.

Inventor： Daeil KANG ,  Joungwon WOO ,  Gihong KIM ,  Jaekyeong YUN ,  Samjong LEE ,  Dojoong KIM

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

CPC classification number: H01L51/5228 ,  H01L27/3246 ,  H01L51/5271 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device can include a substrate including a light emitting area and an auxiliary electrode contact portion for providing an electrical connection with one or more elements, an auxiliary electrode disposed in the auxiliary electrode contact portion and having an electrode hole, a transparent conductive layer covering the auxiliary electrode and having a concave portion above the electrode hole, at least one bank disposed on the transparent conductive layer and exposing the concave portion and an upper surface of the transparent conductive layer that is adjacent to the concave portion, an organic layer disposed on the at least one bank and the exposed upper surface of the transparent conductive layer, and a cathode electrode disposed on the organic layer and a side surface of the concave portion.

公开(公告)号：US20220190302A1

公开(公告)日：2022-06-16

申请号：US17520921

申请日：2021-11-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoungwon MIN ,  Jaekyeong YUN ,  Sangkyu KIM

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A light emitting element include: a spherical conductive ball made of a metal material having conductivity; a light emitting layer covering a portion of a surface of the conductive ball; a metal layer formed on the light emitting layer; and an insulating layer covering at least a portion of a remaining portion of the surface of the conductive ball.