公开(公告)号：US20230119261A1

公开(公告)日：2023-04-20

申请号：US18064787

申请日：2022-12-12

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: H01L51/00 ,  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)≥103 S−1  Condition 2 f(C4)≥0.1.  Condition 3

公开(公告)号：US20220376184A1

公开(公告)日：2022-11-24

申请号：US17541274

申请日：2021-12-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonmi LEE ,  Jaeyong LEE ,  Kyungsik KIM ,  Yeongrong PARK ,  Kunwook CHO

IPC: H01L51/00 ,  C07D209/88 ,  C09K11/06

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the first electrode includes a metal oxide having a work function value of about −5.3 eV or less, and the interlayer includes a layer including a compound of Formula 1: wherein, in Formula 1, the variables are described herein.

公开(公告)号：US20220123250A1

公开(公告)日：2022-04-21

申请号：US17307451

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongpil KIM ,  Jungmin KANG ,  Kyungsik KIM ,  Seokgyu YOON ,  Jaeyong LEE ,  Kunwook CHO

IPC: H01L51/50 ,  H01L27/32

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, the interlayer including an emission layer. The first electrode may be doped with a metal oxide having a work function of less than about −5.05 electron volts (eV), and a layer including a halide of a lanthanide may be between the first electrode and the emission layer. An electronic apparatus including the light-emitting device is also provided.

公开(公告)号：US20210098721A1

公开(公告)日：2021-04-01

申请号：US16997715

申请日：2020-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyejin JUNG ,  Minje KIM ,  Eung Do KIM ,  Hyunyoung KIM ,  Hyojeong KIM ,  Hyosup SHIN ,  Seokgyu YOON ,  Youngki LEE ,  Jungsub LEE ,  Jiyoung LEE ,  Kunwook CHO ,  Hyeon Gu CHO ,  Minsoo CHOI ,  Youngeun CHOI ,  Hyein JEONG

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.

公开(公告)号：US20200373509A1

公开(公告)日：2020-11-26

申请号：US16707653

申请日：2019-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub LEE ,  Minje KIM ,  Hyojeong KIM ,  Jiyoung LEE ,  Kunwook CHO

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00

Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device.