公开(公告)号：US20240244893A1

公开(公告)日：2024-07-18

申请号：US18522699

申请日：2023-11-29

Applicant: LG Display Co., Ltd.

Inventor： Moonsung Kil ,  YongCheol Kim ,  Mi-Na Kim

IPC: H10K59/122 ,  H10K59/35 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/351 ,  H10K59/353 ,  H10K59/80515 ,  H10K59/80518 ,  H10K59/873

Abstract: A display device according to an exemplary embodiment of the present disclosure includes a planarization layer disposed above a substrate, a first bank disposed on the planarization layer, an anode disposed on the planarization layer and on a side surface of the first bank, a second bank covering a portion of the anode and the first bank and disposed above the first bank and the anode, a doping layer disposed on a top surface and a side portion of the second bank, an organic layer which is disposed on the doping layer and the anode, a cathode disposed on the organic layer, and an encapsulating unit disposed above the cathode. By doing this, the reflectance is reduced and the damage of the light emitting diode is suppressed.

公开(公告)号：US12279484B2

公开(公告)日：2025-04-15

申请号：US17846881

申请日：2022-06-22

Applicant: LG Display Co., Ltd.

Inventor： YongCheol Kim

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/126 ,  H10K59/38 ,  H10K59/40 ,  H10K59/80

Abstract: An organic light emitting diode which suppresses external light reflection while reducing loss of light generated in an organic light emitting layer is disclosed. An organic light emitting diode includes a substrate, an anode on the substrate, a bank on the anode and exposing a part of the anode to define an emission area, an organic light emitting layer on the emission area and the bank, a cathode on the organic light emitting layer, a plurality of light shielding patterns on the cathode and overlapping the bank, and a light loss inducing layer located on a same plane as the plurality of light shielding patterns and disposed between a pair of light shielding patterns from the plurality of light shielding patterns, the light loss inducing layer having has a same thickness as a thickness of that of the plurality of light shielding patterns, and overlaps the emission area.

公开(公告)号：US20230061856A1

公开(公告)日：2023-03-02

申请号：US17846881

申请日：2022-06-22

Applicant: LG Display Co., Ltd.

Inventor： YongCheol Kim

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  G06F3/041

Abstract: An organic light emitting diode which suppresses external light reflection while reducing loss of light generated in an organic light emitting layer is disclosed. An organic light emitting diode includes a substrate, an anode on the substrate, a bank on the anode and exposing a part of the anode to define an emission area, an organic light emitting layer on the emission area and the bank, a cathode on the organic light emitting layer, a plurality of light shielding patterns on the cathode and overlapping the bank, and a light loss inducing layer located on a same plane as the plurality of light shielding patterns and disposed between a pair of light shielding patterns from the plurality of light shielding patterns, the light loss inducing layer having has a same thickness as a thickness of that of the plurality of light shielding patterns, and overlaps the emission area.

公开(公告)号：US11527590B2

公开(公告)日：2022-12-13

申请号：US16869132

申请日：2020-05-07

Applicant: LG Display Co., Ltd.

Inventor： Dongmin Sim ,  Wonhoe Koo ,  Hyekyung Choi ,  YongCheol Kim ,  Kyunghoon Han ,  YoungDock Cho

IPC: H01L27/32 ,  H01L51/52

Abstract: A light emitting display apparatus according to an exemplary embodiment of the present disclosure includes an insulating layer on a substrate and including a base portion and a protrusion portion having an uneven portion at a part of the base portion, a first electrode covering an upper portion of the base portion and a side portion and a upper portion of the protrusion portion and disposed along the shape of the uneven portion, a bank layer covering a part of the insulating layer and a part of the first electrode, and an emission layer on the first electrode and the bank layer, and a second electrode on the emission layer.

公开(公告)号：US11437605B2

公开(公告)日：2022-09-06

申请号：US16883573

申请日：2020-05-26

Applicant: LG DISPLAY CO., LTD.

Inventor： YongCheol Kim ,  Wonhoe Koo ,  Dongmin Sim ,  Kyunghoon Han

IPC: H01L51/52 ,  H01L27/32

Abstract: A light emitting display apparatus includes a substrate including a plurality of sub-pixels, each of the plurality of sub-pixels including a light emitting area and a reflective area surrounded by the light emitting area, an overcoating layer on the substrate, a partition at the reflective area on the overcoating layer, a light emitting element at the light emitting area on the overcoating layer, and a reflective part on the partition and formed of a same material as the light emitting element.

公开(公告)号：US11417798B2

公开(公告)日：2022-08-16

申请号：US16878227

申请日：2020-05-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyunghoon Han ,  Wonhoe Koo ,  YongCheol Kim ,  Dongmin Sim ,  YoungDock Cho

IPC: H01L33/14 ,  H01L33/38 ,  H01L25/075 ,  H01L33/58 ,  H01L33/56

Abstract: A light emitting display apparatus can include an insulating layer on a substrate and the insulating layer includes a base portion and a protrusion portion. The light emitting display apparatus further includes a first electrode covering an upper portion of the base portion and a side portion and an upper portion of the protrusion portion. The light emitting display apparatus further includes a bank layer covering a portion of the insulating layer and a portion of the first electrode and having a concave portion. The light emitting display apparatus further includes a light emitting layer on the first electrode and the bank layer, and a second electrode on the light emitting layer.

公开(公告)号：US11075248B2

公开(公告)日：2021-07-27

申请号：US16440559

申请日：2019-06-13

Applicant: LG DISPLAY CO., LTD.

Inventor： MiKyung Park ,  YongCheol Kim

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50

Abstract: An organic light emitting display apparatus includes a first electrode on a substrate and a plurality of organic layers on the first electrode and including a first region and a second region. The organic light emitting display apparatus further includes a second electrode on the plurality of organic layers. A thickness of the plurality of organic layers in the first region can be different from a thickness of the plurality of organic layers in the second region.