公开(公告)号：US20220399513A1

公开(公告)日：2022-12-15

申请号：US17828296

申请日：2022-05-31

Applicant: Samsung Display Co., Ltd.

Inventor： Daeho LEE ,  Dongkyu SEO ,  Junyong SHIN ,  Byeongwook YOO ,  Seokgyu YOON ,  Byungseol LEE

IPC: H01L51/42 ,  H01L51/00

Abstract: An organic photodetector includes: an anode; a cathode facing the anode; and an active layer disposed between the anode and the cathode and including a first layer and a second layer. The first layer is disposed between the anode and the second layer, the first layer includes a p-type organic semiconductor and an n-type organic semiconductor, and the second layer includes the p-type organic semiconductor.

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：US20210288279A1

公开(公告)日：2021-09-16

申请号：US17250461

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu YOON ,  Hyosup SHIN

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

Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer between the anode and the cathode and including an emission layer; and a first exciton quenching layer between the anode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the first exciton quenching layer may include a first quenching material, and the host, the dopant, and the first quenching material may each satisfy Equations 1-1 and 1-2: T1(Q1)≤T1(H)  Equation 1-1 T1(Q1)≤T1(D)  Equation 1-2 wherein, in Equations 1-1 and 1-2, T1(Q1) indicates a lowest excited triplet energy level of the first quenching material, T1(H) indicates a lowest excited triplet energy level of the host, and T1(D) indicates a lowest excited triplet energy level of the dopant.

公开(公告)号：US20210249606A1

公开(公告)日：2021-08-12

申请号：US17160205

申请日：2021-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu YOON ,  Eungdo KIM ,  Hyosup SHIN ,  Jaejin LYU ,  Jaeyong LEE ,  Hyeongu CHO

IPC: H01L51/00

Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV  Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV.  Equation 2

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：US20210043844A1

公开(公告)日：2021-02-11

申请号：US16987723

申请日：2020-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu YOON ,  Hyosup SHIN

IPC: H01L51/00

Abstract: Provided are an organic light-emitting device and an electronic apparatus including the same. The 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. The emission layer includes a first host, a first dopant, and a second dopant. The first dopant and the second dopant satisfy Equations 1-1 and 1-2: S1(D1)onset≥S1(D2)onset   S1(D1)max≤S1(D2)max.