公开(公告)号：US20250063884A1

公开(公告)日：2025-02-20

申请号：US18939409

申请日：2024-11-06

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20200274073A1

公开(公告)日：2020-08-27

申请号：US16578414

申请日：2019-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Kyungsik KIM ,  Sungwook KIM ,  Seulong KIM ,  Sungsoo BAE

IPC: H01L51/00 ,  C09K11/06

Abstract: Provided is an organic light-emitting device including an auxiliary layer between an emission layer and a hole blocking layer.

公开(公告)号：US20240431203A1

公开(公告)日：2024-12-26

申请号：US18818489

申请日：2024-08-28

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Kyungsik KIM ,  Sungwook KIM ,  Sung-Soo BAE ,  Jaeweon HUR

IPC: H10K85/60 ,  H10K50/11 ,  H10K85/40 ,  H10K101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer and a second electrode on the electron transport region, wherein the emission layer includes a spiro compound containing an aryl amine group and an indenoindole derivative, thereby showing high emission efficiency and the emission layer emits green light.

公开(公告)号：US20220209133A1

公开(公告)日：2022-06-30

申请号：US17560206

申请日：2021-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sungsoo BAE ,  Soungwook KIM ,  Seulong KIM ,  Hyein JEONG ,  Hyewon CHOI ,  Jaeweon HUR

IPC: H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes: an emission region; a hole transport region between the first electrode and the emission region; and an electron transport region between the emission region and the second electrode, the emission region includes a first emission layer proximate to the hole transport region and a second emission layer proximate to the electron transport region, the first emission layer and the second emission layer are different from each other, and Equation 1 is satisfied, as described herein.

公开(公告)号：US20220190296A1

公开(公告)日：2022-06-16

申请号：US17551016

申请日：2021-12-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyewon CHOI ,  Soungwook KIM ,  Seulong KIM ,  Sungsoo BAE ,  Hyein JEONG ,  Jaeweon HUR

IPC: H01L51/52 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a first capping layer and a second capping layer outside the second electrode, wherein the first capping layer includes at least one compound selected from compounds represented by Formulae 1-1 to 1-3, as defined herein, and the second capping layer includes at least one compound selected from compounds represented by Formulae 2-1 to 2-6, as defined herein.

公开(公告)号：US20200266354A1

公开(公告)日：2020-08-20

申请号：US16556715

申请日：2019-08-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Soungwook KIM ,  Seulong KIM

IPC: H01L51/00 ,  C07D209/88

Abstract: Provided are an organic light-emitting device including a capping layer including an amine-based compound represented by a set or predetermined formula and a radical scavenger, and a light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer a capping layer on the second electrode, wherein the capping layer includes the amine-based compound.

公开(公告)号：US20230413592A1

公开(公告)日：2023-12-21

申请号：US18449368

申请日：2023-08-14

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/16 ,  H10K50/15

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20220190256A1

公开(公告)日：2022-06-16

申请号：US17654050

申请日：2022-03-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Soungwook KIM ,  Seulong KIM

IPC: H01L51/00 ,  C07D209/88

Abstract: Provided are an organic light-emitting device including a capping layer including an amine-based compound represented by a set or predetermined formula and a radical scavenger, and a light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer a capping layer on the second electrode, wherein the capping layer includes the amine-based compound.

公开(公告)号：US20210408380A1

公开(公告)日：2021-12-30

申请号：US17146928

申请日：2021-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Seulong KIM ,  Hyeongpil KIM ,  Sungsoo BAE ,  Dongchan LEE

IPC: H01L51/00

Abstract: An electronic apparatus includes an organic light-emitting device including: a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and including at least one emission layer; and m-1 charge generating layers, each located between two neighboring light-emitting units of the m light-emitting units and including an n-type charge generating layer and a p-type charge generation layer, wherein m is an integer of 2 or more, at least one of the m-1 p-type charge generation layers includes a first doping layer and a second doping layer, the first doping layer includes a first organic material and a first inorganic material, the second doping layer includes a second organic material and a second inorganic material, and the first inorganic material and the second inorganic material are different from each other.

公开(公告)号：US20210098715A1

公开(公告)日：2021-04-01

申请号：US17028922

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

Inventor： Seulong KIM ,  Eu-gene OH ,  Munsoo KIM ,  JuWan MAENG ,  Kap-jong HAN ,  Jaeweon HUR ,  Hyewon CHOI ,  Kyungsik KIM ,  Sung-Soo BAE

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.