公开(公告)号：US12193253B2

公开(公告)日：2025-01-07

申请号：US17575583

申请日：2022-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Seulong Kim ,  Hyekyun Lee ,  Hajin Song ,  Jihwan Yoon ,  Dongseob Jeong ,  Jaehoon Hwang

IPC: H10K50/13 ,  H10K50/11 ,  H10K50/19 ,  H10K59/122 ,  H10K59/38 ,  H10K101/00 ,  H10K101/10

Abstract: A light emitting devices includes a first electrode, a hole transport region on the first electrode, a first emission layer on the hole transport region, the first emission layer to emit light of a first wavelength, a second emission layer on the hole transport region and to emit light of a second wavelength, an electron transport region on the first and second emission layers, and a second electrode on the electron transport region. The first emission layer includes a first sub-emission layer including a first hole transport host and a first sub-dopant to emit the light of the first wavelength, and a second sub-emission layer including a first electron transport and a second sub-dopant to emit the light of the first wavelength. The second emission layer includes a second hole transport host, a second electron transport host, and a second dopant to emit the light of the second wavelength.

公开(公告)号：US20240074310A1

公开(公告)日：2024-02-29

申请号：US18315026

申请日：2023-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Jiyoung Song ,  Hajin Song ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H10K85/60 ,  H10K50/13

CPC classification number: H10K85/6572 ,  H10K50/13 ,  H10K85/6574 ,  H10K50/12

Abstract: Embodiments provide a light-emitting device that includes a first electrode, a second electrode facing the first electrode, and light-emitting units between the first electrode and the second electrode. The light-emitting units include at least one first light-emitting unit and at least one second light-emitting unit, the first light-emitting unit includes a first emission layer including a first host and a first dopant, the second light-emitting unit includes a second emission layer including a second host, a third host, and a second dopant, the first host includes a first compound represented by Formula 1, the second host includes at least one second compound each independently represented by one of Formulae 2a to 2c, the third host includes a third compound represented by Formula 3, wherein Formulae 1, 2a to 2c, and 3 are explained in the specification:

公开(公告)号：US20190103566A1

公开(公告)日：2019-04-04

申请号：US15921590

申请日：2018-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soobyung Ko ,  Myeongsuk Kim ,  Jimyoung Ye ,  Byeongwook Yoo ,  Heunseung Lee ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound is represented by Formula 1 below:

公开(公告)号：US20190084986A1

公开(公告)日：2019-03-21

申请号：US15963036

申请日：2018-04-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Myeongsuk Kim ,  Seulong Kim ,  Byeongwook Yoo ,  Jaehoon Hwang ,  Soo-byung Ko ,  Jihwan Yoon

IPC: C07D487/04 ,  C07D403/14 ,  C07D417/14 ,  C07D413/14 ,  C07D409/14 ,  H01L51/00 ,  H01L51/50

Abstract: Provided are a heterocyclic compound represented by Formula 1 and an organic electroluminescence device and an organic electroluminescence display device including the heterocyclic compound represented by Formula 1 in an emission layer. In Formula 1, A is represented by Formula 2, D1 is represented by Formula 3, and D2 is represented by Formula 4.

公开(公告)号：US20190062357A1

公开(公告)日：2019-02-28

申请号：US16015031

申请日：2018-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Soobyung Ko ,  Myeongsuk Kim ,  Seulong Kim ,  Yiseul Kim ,  Jimyoung Ye ,  Jaehoon Hwang

IPC: C07F15/00 ,  H01L51/00 ,  H01L51/50

Abstract: An organometallic compound is represented by Formula 1. An 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, the organic layer including an emission layer and at least one of the organometallic compound. An organic light-emitting apparatus includes the organic light-emitting device.

公开(公告)号：US09882140B2

公开(公告)日：2018-01-30

申请号：US14710729

申请日：2015-05-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyul Han ,  Jimyoung Ye ,  Bumsuk Lee ,  Jihwan Yoon ,  Sangwoo Pyo

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

CPC classification number: H01L51/0058 ,  C09K11/06 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0079 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

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, the organic layer including an emission layer. The emission layer includes a first compound represented by Formula 1-1 or Formula 1-2 below, a second compound represented by Formula 2 below, and a third compound represented by Formula 3 below: where Ar1 to Ar8, R1 to R3, A, L1, L2, a1, a2, b1, b2, c1, c2, l1, and l2 are as defined in the specification.