公开(公告)号：US20220199935A1

公开(公告)日：2022-06-23

申请号：US17239312

申请日：2021-04-23

Applicant: LG Display Co., Ltd.

Inventor： SeongYong UHM ,  SeungHan LEE ,  Tae-Kyung KIM ,  KyuNam KIM ,  Dohyung KIM

IPC: H01L51/52 ,  H01L27/32

Abstract: A display panel comprises a first substrate including a display area and a non-display area surrounding the display area, a light emitting diode disposed in the display area on the first substrate, an adhesive layer covering the display area and the non-display area on the first substrate, and a second substrate bonded to the first substrate by the adhesive layer, wherein the second substrate includes a barrier structure portion for defining a plurality of open spaces on one surface of the second substrate that adjoins the adhesive layer.

公开(公告)号：US20230212382A1

公开(公告)日：2023-07-06

申请号：US17985954

申请日：2022-11-14

Applicant: LG DISPLAY CO., LTD.

Inventor： SeongYong UHM ,  KyuNam KIM ,  Dohyung KIM ,  MinHo OH

IPC: C08L33/10

CPC classification number: C08L33/10 ,  H01L51/5237 ,  C08L2203/206

Abstract: A display device includes a substrate, a light-emitting element positioned on the substrate; and an encapsulation layer positioned on the light-emitting element and comprising a first layer, a second layer positioned on the first layer, and a third layer positioned on the second layer, wherein the first layer comprises a first polymer, the second layer comprises a compound represented by Formula 1, and the third layer comprises a second polymer and a hygroscopic getter, wherein, in Formula 1, A is a C1-C10 alkyl group or a C6-C60 aryl group, n is an integer from 1 to 100, m is an integer from 1 to 6, o is an integer greater than or equal to 1, and R1 is a hydroxyl group.

公开(公告)号：US20230217681A1

公开(公告)日：2023-07-06

申请号：US17963825

申请日：2022-10-11

Applicant: LG Display Co., Ltd.

Inventor： KyuNam KIM ,  SeungHan LEE ,  Tae-Kyung KIM ,  SeongYong UHM ,  Dohyung KIM ,  MinHo OH

IPC: H01L51/52 ,  H01L51/00 ,  G03F7/029

CPC classification number: H01L51/5237 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0081 ,  G03F7/029

Abstract: A display device includes a sacrificial layer positioned between an encapsulation layer and a light-emitting element that includes a first compound that is the same as a first compound of a light-emitting layer of the light-emitting element, thereby protecting the light-emitting element from an outgas of the encapsulation layer to prevent the generation of dark spots.