公开(公告)号：US20220278296A1

公开(公告)日：2022-09-01

申请号：US17674845

申请日：2022-02-18

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00 ,  C07F9/547 ,  C07F9/576 ,  C07F9/58 ,  C07F9/6553 ,  C07F9/655 ,  C07F9/6564 ,  C07D471/04 ,  C07D519/00 ,  C07D487/04 ,  C07D491/048

Abstract: Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode; and an electron transport capping layer located outside the second electrode, wherein the interlayer includes an emission layer and an electron transport region, one of the electron transport region and the electron transport capping layer includes a first compound represented by Formula 1, and the other one includes the first compound, a second compound represented by Formula 2, or a combination thereof, and the electron transport region further includes a metal dopant: wherein, Formulae 1 and 2 are the same as described in the specification.

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：US20220020950A1

公开(公告)日：2022-01-20

申请号：US17361873

申请日：2021-06-29

Applicant: Samsung Display Co.,Ltd.

Inventor： Soungwook KIM ,  Seokgyu Yoon ,  Kyungsik Kim ,  Eungdo Kim ,  Jaejin Lyu ,  Kunwook Cho ,  Hyeongu Cho

IPC: H01L51/52

Abstract: A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.

公开(公告)号：US20210351359A1

公开(公告)日：2021-11-11

申请号：US17277710

申请日：2019-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Jungmin KANG ,  Tsuyoshi NAIJO ,  Hyein JEONG ,  Soungwook KIM

IPC: H01L51/00 ,  C07D471/06 ,  C09K11/06

Abstract: An organic light-emitting device includes a condensed cyclic compound represented by Formula 1: The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEST and may be used as an effective thermally activated delayed fluorescence (TADF) light-emitting material.

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.