公开(公告)号：US12022726B2

公开(公告)日：2024-06-25

申请号：US17082804

申请日：2020-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Heejoo Ko ,  Eunhye Song

IPC: H01L51/50 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/84

CPC classification number: H10K85/346 ,  H10K85/322 ,  H10K85/40 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/84

Abstract: Provided is an organic light-emitting device including: 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 emission layer may include a host and a dopant, the host may include a first compound and a second compound different from the first compound, the dopant may include a third compound and a fourth compound different from the third compound, and the third compound may be a platinum-containing organometallic compound.

公开(公告)号：US11647669B2

公开(公告)日：2023-05-09

申请号：US16883251

申请日：2020-05-26

Applicant: Samsung Display Co., Ltd.

Inventor： Heejoo Ko ,  Eunhye Song ,  Jonghyeon Lee ,  Hangeul Lee

IPC: H01L51/50 ,  H01L51/00 ,  C07F7/08 ,  H01L51/56

CPC classification number: H01L51/0094 ,  C07F7/0812 ,  H01L51/001 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5072 ,  H01L51/5096 ,  H01L51/56 ,  H01L2251/552 ,  H01L2251/558

Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided, wherein the substituents in Formula 1 are the same as defined in the detailed descriptions.

公开(公告)号：US20240324444A1

公开(公告)日：2024-09-26

申请号：US18664166

申请日：2024-05-14

Applicant: Samsung Display Co., LTD.

Inventor： Heejoo Ko ,  Eunhye Song

IPC: H10K85/30 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/84 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K85/346 ,  H10K85/322 ,  H10K85/40 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/84

Abstract: Provided is an organic light-emitting device including: 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 emission layer may include a host and a dopant, the host may include a first compound and a second compound different from the first compound, the dopant may include a third compound and a fourth compound different from the third compound, and the third compound may be a platinum-containing organometallic compound.

公开(公告)号：US20230180493A1

公开(公告)日：2023-06-08

申请号：US18075282

申请日：2022-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Eunhye Song ,  Jinwon Sun ,  Dongchan Lee ,  Jonghyeon Lee ,  Pyungeun Jeon

IPC: H10K50/11 ,  H10K50/155 ,  H10K50/18

CPC classification number: H01L51/5004 ,  H01L51/506 ,  H01L51/5096 ,  H01L2251/5384

Abstract: A light-emitting device includes an interlayer that includes a first hole transport layer, a second hole transport layer, and a third hole transport layer, wherein the first hole transport layer includes a first hole transport compound and a first p-dopant compound, the second hole transport layer includes a second hole transport compound and a second p-dopant compound, the third hole transport layer includes a third hole transport compound and does not include a p-dopant, and an absolute value of lowest unoccupied molecular orbital (LUMO) energy of the second p-dopant compound is greater than an absolute value of LUMO energy of the first p-dopant compound.

公开(公告)号：US20230371299A1

公开(公告)日：2023-11-16

申请号：US18071878

申请日：2022-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Eunhye Song ,  Jinwon Sun ,  Dongchan Lee ,  Pyungeun Jeon

IPC: H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/60

CPC classification number: H01L51/5056 ,  H01L51/5072 ,  H01L51/0087 ,  H01L51/0085 ,  H01L51/006 ,  H01L51/0054 ,  H01L51/0073 ,  H01L51/008 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0056 ,  H01L51/50

Abstract: Embodiments provide an organic light-emitting device that 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. The emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is a hole transporting host, the second compound is an electron transporting host, the third compound is a Pt complex, and the fourth compound is an Ir complex containing a halogen group.

公开(公告)号：US20230276698A1

公开(公告)日：2023-08-31

申请号：US18169794

申请日：2023-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： Pyungeun Jeon ,  Jinwon Sun ,  Eunhye Song ,  Dongchan Lee

IPC: H10K85/60 ,  C09K11/06

CPC classification number: H10K85/631 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1014 ,  H10K50/156

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode, the interlayer including an emission layer,
wherein the interlayer includes a multi-layered film consisting of an odd number of layers, and the multi-layered film is formed by alternately stacking layers having different refractive indices from each other.

公开(公告)号：US20230217817A1

公开(公告)日：2023-07-06

申请号：US18150053

申请日：2023-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongchan Lee ,  Jinwon Sun ,  Eunhye Song ,  Jonghyeon Lee ,  Pyungeun Jeon ,  Changwoong Chu

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06

CPC classification number: H10K85/654 ,  C09K11/06 ,  H10K85/346 ,  H10K85/6572 ,  H10K50/166

Abstract: A light-emitting device includes an electron transport region including a first electron transport layer and a second electron transport layer. The first electron transport layer includes a first compound, the second electron transport layer includes a second compound, the first compound includes a pyrimidine group, the second compound includes a triazine group, and an absolute value of a lowest unoccupied molecular orbital (LUMO) energy of the first compound (ELUMO_E1) is less than an absolute value of a LUMO energy of the second compound (ELUMO_E2). An electronic apparatus including the light-emitting device.

公开(公告)号：US20220285633A1

公开(公告)日：2022-09-08

申请号：US17653260

申请日：2022-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Lee ,  Eunhye Song ,  Pyungeun Jeon ,  Jinwon Sun

IPC: H01L51/00

Abstract: The present application provides a light-emitting device. The light-emitting device includes: a first electrode; a second electrode; and an interlayer located between the first electrode and the second electrode, the interlayer including an emission layer, wherein the emission layer includes a first compound represented by Formula 1 and a second compound including at least one of an electron withdrawing group and a π electron-deficient nitrogen-containing C1-C60 cyclic group.