公开(公告)号：US11758779B2

公开(公告)日：2023-09-12

申请号：US17138212

申请日：2020-12-30

Applicant: LG Display Co., Ltd.

Inventor： Yongsun Jo ,  WooJung Byun ,  Deuksoo Jung ,  Juhyuk Kim

IPC: H10K59/131 ,  H10K50/813 ,  H10K50/822 ,  H10K50/844 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K50/813 ,  H10K50/822 ,  H10K50/844 ,  H10K59/124 ,  H10K71/00

Abstract: A display device includes a substrate where a pixel is placed, and including an emission area and a wire area adjacent to the emission area; at least one wire formed on the substrate in the wire area; multiple insulation layers formed on the at least one wire; an anode electrode formed on the multiple insulation layers in the emission area; an emission layer formed on the anode electrode, and covering the anode electrode; and a cathode electrode formed on the emission layer, wherein the at least one wire formed on the substrate applies a signal to the pixel, the multiple insulation layers cover the at least one wire, and at least one of the multiple insulation layers is formed in a region of the substrate except at least one region or all regions of the emission area.

公开(公告)号：US10263211B2

公开(公告)日：2019-04-16

申请号：US15700385

申请日：2017-09-11

Applicant: LG Display Co., Ltd.

Inventor： WooJung Byun ,  HanGyu Jung ,  Yongsun Jo ,  SungSoo Kim

IPC: H01L27/12 ,  H01L27/32 ,  H01L51/52

Abstract: Disclosed is an organic light emitting display device that may include a substrate having an active area and a pad area, a passivation layer provided on the active area of the substrate, an anode electrode provided on the passivation layer, a bank layer for defining a pixel region on the anode electrode, an organic emitting layer provided on the bank layer and connected with the anode electrode, a cathode electrode provided on the organic emitting layer, and an auxiliary electrode electrically connected with the cathode electrode and provided under the passivation layer, wherein a contact hole for exposing the auxiliary electrode is provided in the passivation layer, the auxiliary electrode includes a lower auxiliary electrode and an upper auxiliary electrode, and the cathode electrode is in contact with an upper surface of the lower auxiliary electrode via the contact hole.