公开(公告)号：US09905781B2

公开(公告)日：2018-02-27

申请号：US15267095

申请日：2016-09-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyein Jeong ,  Jungsub Lee

IPC: H01L51/00 ,  C07D471/04 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/0072 ,  C07D471/04 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5206 ,  H01L51/5221

Abstract: 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; wherein the organic layer includes a condensed cyclic compound of Formula 1: The organic light-emitting device including the condensed cyclic compound may exhibit low driving voltage, high efficiency, high luminance, and long lifespan characteristics.

公开(公告)号：US09818954B2

公开(公告)日：2017-11-14

申请号：US14695678

申请日：2015-04-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyein Jeong ,  Jungsub Lee ,  Jinsoo Hwang

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0061 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072

Abstract: An organic light emitting device and a display device, the organic light emitting device including a first electrode; a hole transport region on the first electrode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a second electrode on the electron transport region, wherein the hole transport region includes a compound represented by the following Formula 1:

公开(公告)号：US12289987B2

公开(公告)日：2025-04-29

申请号：US16935004

申请日：2020-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon Hur ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Seungjin Chu ,  Hyein Jeong

IPC: H10K85/60 ,  C07D209/88 ,  C07F7/08 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K85/40 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device in which a hole transport region includes a first hole transport stack, a second hole transport stack between the first hole transport stack and an emission layer, and an electron blocking layer between the second hole transport stack and the emission layer, wherein a HOMO energy level of the hole transport region satisfies a certain equations. The organic light-emitting devices according to embodiments of the present disclosure may have high efficiency and a long lifespan.

公开(公告)号：US12279519B2

公开(公告)日：2025-04-15

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 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/10

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：US12279475B2

公开(公告)日：2025-04-15

申请号：US18357463

申请日：2023-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H10K50/852 ,  H10K59/12 ,  H10K102/00

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US12082497B2

公开(公告)日：2024-09-03

申请号：US17277710

申请日：2019-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Jungmin Kang ,  Tsuyoshi Naijo ,  Hyein Jeong ,  Soungwook Kim

IPC: H01L51/50 ,  C07D471/06 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/636 ,  C07D471/06 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18 ,  H10K85/654 ,  H10K85/6572 ,  H10K2101/10 ,  H10K2101/30

Abstract: An organic light-emitting device includes a condensed cyclic compound represented by Formula 1:




The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEST and may be used as an effective thermally activated delayed fluorescence (TADF) light-emitting material.

公开(公告)号：US20220320436A1

公开(公告)日：2022-10-06

申请号：US17655982

申请日：2022-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Samil Kho ,  Hyoungkun Kim ,  Yeongji Im ,  Hyein Jeong

IPC: H01L51/00

Abstract: An electronic apparatus includes a light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer between the first electrode and the second electrode and an electron transport region between the emission layer and the second electrode, wherein the emission layer includes a compound represented by Formula 1, and the electron transport region includes a first metal-containing compound and a second metal:

公开(公告)号：US11362286B2

公开(公告)日：2022-06-14

申请号：US16268276

申请日：2019-02-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub Lee ,  Hyein Jeong

IPC: H01L51/00 ,  C07D417/10 ,  C07D413/14 ,  C07D413/10 ,  C07D401/10 ,  C07D401/14 ,  C09K11/06 ,  C07D417/14 ,  H01L51/50

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a light emitting layer disposed on the hole transport region, an electron transport region disposed on the light emitting layer, and a second electrode disposed on the electron transport region. The light emitting layer includes a heterocyclic compound represented by Formula 1 below. In Formula 1, D1 and D2 are each independently represented by Formula 2 below, and A is represented by any one of Formulas 3-1 to 3-3 below. D1-A-D2  Formula 1

公开(公告)号：US20200052219A9

公开(公告)日：2020-02-13

申请号：US15141762

申请日：2016-04-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinsoo Hwang ,  Seokgyu Yoon ,  Hyein Jeong

IPC: H01L51/00

Abstract: According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer. The hole transport region includes a first compound represented by Formula 1 and a second compound represented by Formula 2:

公开(公告)号：US10333071B2

公开(公告)日：2019-06-25

申请号：US15228818

申请日：2016-08-04

Applicant: Samsung Display Co., Ltd. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Sehun Kim ,  Jongin Hong ,  Seongjin Jeong ,  Samil Kho ,  Hyoungkun Kim ,  Hyein Jeong

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  C09K11/02 ,  C07D215/14 ,  C07D471/04 ,  H01L51/52 ,  H01L51/50

Abstract: An organic light-emitting device having high efficiency and long lifespan 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 organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: When compounds represented by Formulae 1 and 2 are included in the emission layer, organic light-emitting devices may exhibit improved driving voltage, improved luminance, improved efficiency, and/or improved lifespans.