公开(公告)号：US20200185475A1

公开(公告)日：2020-06-11

申请号：US16688571

申请日：2019-11-19

Applicant: LG Display Co., Ltd.

Inventor： Dojoong KIM ,  Daeil KANG ,  Soojin KIM ,  Samjong LEE ,  Saehoon OH ,  Hyungi HONG

IPC: H01L27/32

Abstract: The present disclosure provided an organic light-emitting display device comprising: a substrate where a first direction and a second direction intersecting each other are defined, the substrate on which sub-pixels arranged along the first direction and the second direction; first electrodes of organic light-emitting diodes allocated respectively to the sub-pixels; a first bank having first openings exposing the first electrodes; and a second bank having second openings exposing the first electrode on the first bank, wherein in at least one region, the second opening simultaneously exposes at least two first electrodes neighboring in the third direction.

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：US20220209170A1

公开(公告)日：2022-06-30

申请号：US17535117

申请日：2021-11-24

Applicant: LG Display Co., Ltd.

Inventor： Daeil KANG ,  Joungwon WOO ,  Soojin KIM ,  Samjong LEE ,  Dojoong KIM

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display device can include a substrate having a light emitting area and a non-light emitting area; an anode electrode disposed in the light emitting area; a metal layer disposed in the non-light emitting area and connected to a first driving power; an auxiliary electrode disposed on the metal layer and including at least one electrode hole exposing the metal layer; a bank disposed on an edge region of the anode electrode and an edge region of the auxiliary electrode; a light emitting layer disposed on a region of the anode electrode exposed by the bank; an electron transport layer disposed on the light emitting layer and the auxiliary electrode; and a cathode electrode disposed on the electron transport layer, in which the electron transport layer is in direct contact with the metal layer through the at least one electrode hole.