公开(公告)号：US20240114787A1

公开(公告)日：2024-04-04

申请号：US18347056

申请日：2023-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： Yuji SUZAKI ,  Tetsuji HAYANO ,  Yuma AOKI

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/12

Abstract: Embodiments provide a light emitting element which includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, which is explained in the specification.

公开(公告)号：US20220223799A1

公开(公告)日：2022-07-14

申请号：US17391636

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Keigo HOSHI ,  Tetsuji HAYANO ,  Yuuki MIYAZAKI

IPC: H01L51/00

Abstract: Provided is a light emitting device including a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes at least one polycyclic compound represented by Formula 1 below, and may thus exhibit long life characteristics.

公开(公告)号：US20210111344A1

公开(公告)日：2021-04-15

申请号：US16985583

申请日：2020-08-05

Applicant: Samsung Display Co., LTD.

Inventor： Tetsuji HAYANO

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the polycyclic compound includes a boranamine derivative, a first ring and a second ring, each directly linked to a boron atom of the boranamine derivative, a third ring and a fourth ring, each directly linked to a nitrogen atom of the boranamine derivative, and at least one substituted or unsubstituted boryl group, linked to at least one ring among the first to fourth rings, thereby showing long-life characteristics and excellent color reproducibility.