公开(公告)号：US20210020845A1

公开(公告)日：2021-01-21

申请号：US16791402

申请日：2020-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong PARK ,  Daehyeon KIM ,  Myeongsuk KIM ,  Jimyoung YE ,  Juwon LEE

IPC: H01L51/00 ,  C07D471/04 ,  C07D519/00 ,  C07D403/14 ,  C07D487/14

Abstract: A compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the compound represented by Formula 1. The compound represented by Formula 1 suppresses or reduces the generation of dark spots by chelating metal that migrates from an electrode.

公开(公告)号：US20220123234A1

公开(公告)日：2022-04-21

申请号：US17360142

申请日：2021-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong PARK

IPC: H01L51/00 ,  C09K11/06

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 between the first electrode and the second electrode and including an emission layer, at least one first compound represented by Formula 1, and at least one second compound represented by Formula 2.

公开(公告)号：US20200176684A1

公开(公告)日：2020-06-04

申请号：US16545950

申请日：2019-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub LEE ,  Hyein JEONG ,  Hyejeong PARK

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device includes a first electrode; a second electrode on the first electrode; and a plurality of organic layers between the first electrode and the second electrode, where a polycyclic compound represented by Formula 1-1 or Formula 1-2 is included in at least one organic layer of the plurality of organic layers. The polycyclic compound is represented by Formula 1-1 or Formula 1-2.

公开(公告)号：US20220246856A1

公开(公告)日：2022-08-04

申请号：US17574784

申请日：2022-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong PARK

IPC: H01L51/00

Abstract: Provided are a light-emitting diode and an electronic device including the same. The light-emitting diode includes a first electrode, a second electrode facing the first electrode, an emission layer disposed between the first electrode and the second electrode, and a first auxiliary layer and a second auxiliary layer disposed between the emission layer and the first electrode. The first auxiliary layer contains at least one of a first compound represented by Formula 1, and the second auxiliary layer contains at least one of a second compound represented by Formula 2, and Formula 1 and Formula 2 are each defined in the specification.

公开(公告)号：US20210399222A1

公开(公告)日：2021-12-23

申请号：US17127218

申请日：2020-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong PARK

IPC: H01L51/00

Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and a hole transport region disposed between the first electrode and the emission layer. The hole transport region includes a hole injection layer and a hole transport layer disposed between the hole injection layer and the emission layer. The hole injection layer includes a first compound, the hole transport layer includes a second compound, and a glass transition temperature of the first compound is lower than a glass transition temperature of the second compound.

公开(公告)号：US20200259103A1

公开(公告)日：2020-08-13

申请号：US16678508

申请日：2019-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejeong PARK

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06

Abstract: An 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 comprising an emission layer; and at least one condensed cyclic compound represented by Formula 1-1, 1-2, or 1-3: where in Formulae 1-1 to 1-3, at least one of R1(s) is an electron withdrawing group, at least one selected from R2(s) and R3(s) is an electron withdrawing group, and at least one selected from R4(s), R5(s), and R6(s) is an electron withdrawing group, wherein a case where the number of cyano groups in the electron withdrawing group included in the condensed cyclic compound represented by Formula 1-1 is two or more is excluded.

公开(公告)号：US20210320259A1

公开(公告)日：2021-10-14

申请号：US17121521

申请日：2020-12-14

Applicant: Samsung Display Co,.Ltd.

Inventor： Hyejeong PARK

IPC: H01L51/00 ,  C07D471/04

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and including an emission layer; and at least one of heterocyclic compounds represented by Formulae 1-1 to 1-3, as defined herein.

公开(公告)号：US20210167294A1

公开(公告)日：2021-06-03

申请号：US17039159

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon KIM ,  Hyejeong PARK ,  Changmin LEE

IPC: H01L51/00

Abstract: An amine compound and a light-emitting device including the same are provided. The amine compound is represented by Formula 1: In Formula 1, Ar1 is a group represented by Formula 1A, Ar2 is a group represented by Formula 1B, and the other substituents are understood by referring to the description of the disclosure.