公开(公告)号：US20210202889A1

公开(公告)日：2021-07-01

申请号：US17138179

申请日：2020-12-30

Applicant: LG Display Co., Ltd.

Inventor： Jeongwon LEE ,  Jaeki LEE ,  Seonghyun KIM ,  Changyong GONG

IPC: H01L51/52 ,  H01L51/56

Abstract: A display panel includes a substrate including an emission area and a non-emission area; an auxiliary electrode placed in the non-emission area, and supplied with power for driving the display panel; a protective layer placed on the auxiliary electrode; a contact hole penetrating through the protective layer, and exposing the auxiliary electrode; a connection electrode placed in such a manner as to be in contact with the auxiliary electrode within the contact hole; an electron auxiliary layer placed on the connection electrode; a cathode electrode placed on the electron auxiliary layer; and a protrusion formed protruding from the connection electrode, wherein the protrusion is formed in such a manner as to form a shade region on the connection electrode, and the cathode electrode is in contact with the connection electrode in the shade region.

公开(公告)号：US20230135044A1

公开(公告)日：2023-05-04

申请号：US18087860

申请日：2022-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Seonghyun KIM ,  Hojin RYU ,  Jaeki LEE ,  Youngmu OH ,  Suphil KIM ,  Jonghoon YEO ,  Jihoon LEE ,  Changyong GONG

IPC: H10K59/122 ,  H10K59/35 ,  H10K50/813 ,  H10K71/00

Abstract: An organic light-emitting display comprises a substrate having a plurality of subpixels arranged in a row direction and a column direction crossing the row direction; a plurality of first electrodes respectively allocated to the plurality of subpixels and comprising a first sub-electrode arranged in a (3n-2) column, a second sub-electrode arranged in a (3n-1) column, and a third sub-electrode arranged in a 3n column (where n is a natural number of 1 or more); and a bank having an opening exposing the plurality of first electrodes, wherein the first sub-electrode has a convex part protruded toward the third sub-electrode that has a concave part corresponding to the convex part.

公开(公告)号：US20210175459A1

公开(公告)日：2021-06-10

申请号：US17108559

申请日：2020-12-01

Applicant: LG Display Co., Ltd.

Inventor： Jeongwon LEE ,  Seonghyun KIM ,  JaeKi LEE ,  Changyong GONG

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light emitting display device includes a substrate including a display area and a non-display area, an overcoat layer on the substrate, a plurality of first electrodes assigned to a plurality of sub-pixels and on the overcoat layer, a first bank in the display area and the non-display area and including a plurality of first openings exposing the plurality of first electrodes, a second bank on the first bank which is in the display area and the non-display area and including a plurality of second openings exposing the plurality of first electrodes, and an organic light emitting layer on the plurality of second openings, respectively, wherein in the non-display area, the plurality of second openings each include a first dummy opening adjacent to the display area, and wherein at least one among the plurality of second openings includes a second dummy opening extending from the first dummy opening.

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.