公开(公告)号：US20220199938A1

公开(公告)日：2022-06-23

申请号：US17538152

申请日：2021-11-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Taesuk KIM ,  YoungMu OH ,  Seonghyun KIM

IPC: H01L51/52 ,  H01L27/32

Abstract: A display panel includes a first insulation film including a first hole exposing a portion of an upper surface of an auxiliary electrode, a second insulation film including a second hole overlapping the first hole of the first insulation film, an electrode pattern disposed on a portion of an upper surface of the first insulation film and overlapping the second hole of the second insulation film, a first electrode of a light emitting device disposed on the second insulation film, a bank overlapping a portion of an upper surface of the first electrode and disposed on the second insulation film, a light emitting layer of the light emitting layer disposed on the portion of the upper surface of the auxiliary electrode, and a second electrode of the light emitting device, contacting the portion of the upper surface of the auxiliary electrode overlapping the first hole of the first insulation film, thereby allowing the cathode electrode and the auxiliary electrode to be electrically connected with each other.

公开(公告)号：US20180006259A1

公开(公告)日：2018-01-04

申请号：US15621056

申请日：2017-06-13

Applicant: LG Display Co., Ltd.

Inventor： SeungHan PAEK ,  YoungMu OH ,  Jeongwon LEE ,  Heonll SONG ,  Jonghoon YEO ,  Jihoon LEE

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

CPC classification number: H01L51/5203 ,  H01L27/32 ,  H01L27/3246 ,  H01L51/0005 ,  H01L51/0096 ,  H01L51/5206 ,  H01L51/5215 ,  H01L51/5296 ,  H01L2251/558

Abstract: An organic light emitting display device and a method of manufacturing the same are provided in which a separate photomask process is not added, a pile-up phenomenon of an organic layer is prevented, and a device characteristic is improved. The organic light emitting display device includes a plurality of banks in a boundary portion of a pixel area on a base substrate, an anode electrode in a pixel area on the base substrate, an organic layer on the anode electrode, and a cathode electrode on the organic layer and the plurality of banks.