公开(公告)号：US20220209198A1

公开(公告)日：2022-06-30

申请号：US17532680

申请日：2021-11-22

Applicant: LG Display Co., Ltd.

Inventor： YongCheol KIM ,  Jaeho LEE

IPC: H01L51/52 ,  H01L27/32

Abstract: According to the present disclosure, the light distribution of a light emitting display apparatus is effectively controlled by asymmetrically disposing a protruding portion of a curved surface area of the light emitting display apparatus to minimize a degradation of a luminance in the curved surface area and a difference in a color sense between a flat surface area and the curved surface area of the light emitting display apparatus.

公开(公告)号：US20240224750A1

公开(公告)日：2024-07-04

申请号：US18371137

申请日：2023-09-21

Applicant: LG DISPLAY CO., LTD.

Inventor： YongCheol KIM ,  KyuIl HAN

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/40

CPC classification number: H10K59/879 ,  H10K59/122 ,  H10K59/40 ,  H10K59/8792

Abstract: A display panel and a display device includes: an insulating layer disposed over a substrate and including a concave portion and a inclined portion surrounding the concave portion; a partition wall located in the concave portion and dividing the concave portion; a first electrode located on the insulating layer and the partition wall; a bank disposed on a portion of the upper surface of the first electrode and overlapping a portion of the concave portion; an encapsulation layer located on the first electrode and the bank; a plurality of touch sensor metals disposed on the encapsulation layer; a lens located on the encapsulation layer and located by corresponding to portions divided by the partition wall; and a color conversion layer disposed on or underneath the lens. The plurality of touch sensor metals do not overlap the lens, and are capable of reducing external light reflectance and improve emission efficiency.

公开(公告)号：US20240172537A1

公开(公告)日：2024-05-23

申请号：US18371148

申请日：2023-09-21

Applicant: LG DISPLAY CO., LTD.

Inventor： YongCheol KIM ,  EunYoung PARK

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/879 ,  H10K59/122 ,  H10K59/873

Abstract: Embodiments of the present disclosure relate to a display device. More particularly, the embodiments of the present disclosure may provide a display device including an insulating film including a first concave portion, a first partition wall which is positioned in the first concave portion and divides the first concave portion, and a first lens portion corresponding to divided areas of the first concave portion, thereby effectively improving light emitting efficiency.

公开(公告)号：US20200035760A1

公开(公告)日：2020-01-30

申请号：US16440559

申请日：2019-06-13

Applicant: LG DISPLAY CO., LTD.

Inventor： MiKyung PARK ,  YongCheol KIM

IPC: H01L27/32 ,  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.

公开(公告)号：US20210408137A1

公开(公告)日：2021-12-30

申请号：US17359429

申请日：2021-06-25

Applicant: LG Display Co., Ltd.

Inventor： Jaeho LEE ,  Wonhoe KOO ,  Kyung Hoon HAN ,  YongCheol KIM ,  Hyekyung CHOI

IPC: H01L27/32

Abstract: A display device includes, a light emitting element which is disposed in each of a plurality of subpixels and includes a first blue light emitting layer, a green light emitting layer on the first blue light emitting layer, and a second blue light emitting layer on the green light emitting layer; a first light conversion layer disposed in a first subpixel among the plurality of subpixels; and a second light conversion layer disposed in a second subpixel among the plurality of subpixels and having higher light conversion efficiency than the first light conversion layer, thus, the second light conversion layer having high light conversion efficiency is disposed in the second subpixel which is a red subpixel, thereby improving the luminance of the red light.

公开(公告)号：US20200373520A1

公开(公告)日：2020-11-26

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：US20200373459A1

公开(公告)日：2020-11-26

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 ,  H01L33/56 ,  H01L33/58 ,  H01L25/075

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：US20200373366A1

公开(公告)日：2020-11-26

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.