公开(公告)号：US20230027280A1

公开(公告)日：2023-01-26

申请号：US17880161

申请日：2022-08-03

Applicant: Samsung Display Co., LTD.

Inventor： Seong Jin JEONG ,  Jin Sook BANG ,  Sang Hoon YIM ,  Eun Jeong HONG ,  Kwan Hee LEE

IPC: H01L27/32 ,  H01L51/52 ,  G06F3/044

Abstract: A display device includes a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on a substrate and emitting light of different colors, respectively; a first insulation layer disposed on the first light emitting element, the second light emitting element, and the third light emitting element, and including at least one opening; and a second insulation layer disposed on the first insulation layer, and disposed in the at least one opening, wherein a refractive index of the second insulation layer is higher than a refractive index of the first insulation layer, and the at least one opening overlaps at least one of the first light emitting element, the second light emitting element, and the third light emitting element in a plan view, and does not overlap at least another one in a plan view.

公开(公告)号：US20230028269A1

公开(公告)日：2023-01-26

申请号：US17694847

申请日：2022-03-15

Applicant: Samsung Display Co., LTD.

Inventor： Seong Jin JEONG ,  Jin Sook BANG ,  Sang Hoon YIM ,  Eun Jeong HONG ,  Kwan Hee LEE

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a first light emitting element, a second light emitting element, and a third light emitting element that are disposed on a substrate and emitting light of different colors, respectively; a first insulation layer disposed on the first light emitting element, the second light emitting element, and the third light emitting element, and including at least one opening; and a second insulation layer disposed on the first insulation layer, and disposed in the at least one opening, wherein a refractive index of the second insulation layer is higher than a refractive index of the first insulation layer, and the at least one opening overlaps at least one of the first light emitting element, the second light emitting element, and the third light emitting element in a plan view, and does not overlap at least another one in a plan view.

公开(公告)号：US20210313536A1

公开(公告)日：2021-10-07

申请号：US17197970

申请日：2021-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Young CHOI ,  Sang Hoon YIM ,  Dong Hoon KIM ,  Jin Sook BANG ,  Jin Wook JEONG ,  Eun Jeong HONG

IPC: H01L51/50

Abstract: An organic light-emitting display device includes: a plurality of pattern electrodes; a hole-transporting layer disposed on the plurality of pattern electrodes; a plurality of emission layers disposed on the hole-transporting layer and overlapping the plurality of pattern electrodes, respectively; a common electrode disposed on the emission layers; and a first auxiliary layer disposed between a first one of the pattern electrodes and a first one of the emission layers, wherein the first emission layer forms an interface with the hole-transporting layer or the first auxiliary layer, the interface having a hole barrier equal to or less than about 0.1 eV, wherein the hole-transporting layer and the first auxiliary layer have a hole mobility equal to or less than about 1.0×10−3 cm2/V·s.