公开(公告)号：US20230180605A1

公开(公告)日：2023-06-08

申请号：US18073396

申请日：2022-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Byungseok Lee ,  Soobyung Ko ,  Seokgyu Yoon ,  Minsoo Choi

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  H01L27/288 ,  H01L51/4253

Abstract: An organic photodetector includes a first electrode, a second electrode facing the first electrode, and an activation layer between the first electrode and the second electrode, wherein the activation layer includes a compound represented by Formula 1. An electronic apparatus includes the organic photodetector. In Formula 1, R1 to R6 and a3 to a6 are as described in the specification.

公开(公告)号：US11527725B2

公开(公告)日：2022-12-13

申请号：US16859894

申请日：2020-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Minje Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Jaejin Lyu

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device having improved efficiency and lifespan 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 layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset  Condition 1-1 T1(C3)max≥S1(C4)max  Condition 1-2 KRISC(C4)≥103S−1  Condition 2 f(C4)≥0.1.  Condition 3