公开(公告)号：US11557744B2

公开(公告)日：2023-01-17

申请号：US15895724

申请日：2018-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hye-In Jeong ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Sung-Soo Bae ,  Hwan-Hee Cho

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first 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 emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

公开(公告)号：US20190027698A1

公开(公告)日：2019-01-24

申请号：US15870587

申请日：2018-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Soo Bae ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Hye-In Jeong ,  Hwan-Hee Cho

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

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. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

公开(公告)号：US10103335B2

公开(公告)日：2018-10-16

申请号：US14670378

申请日：2015-03-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung-Soo Bae ,  Jung Sub Lee

IPC: H01L51/00 ,  C07D403/04 ,  C07D495/04 ,  C07F7/08

Abstract: A material for an organic light emitting device includes a compound represented by one of the following Chemical Formulae 1 to 3 and a compound represented by the following Chemical Formula 4. In the above Chemical Formulae 1 to 4, each substituent is the same as defined in the detailed description.

公开(公告)号：US09991446B2

公开(公告)日：2018-06-05

申请号：US14719505

申请日：2015-05-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung-Soo Bae ,  Mikyung Kim ,  Donghyun Kim ,  Tsuyoshi Naijo

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5072

Abstract: An organic light emitting device including a first electrode, a hole transport region on the first electrode, a light emission layer on the hole transport region, a buffer layer on the light emission layer, an electron transport region on the buffer layer, and a second electrode on the electron transport region. The buffer layer includes at least one selected from the group consisting of a carbazole derivative, a phenanthroline derivative, a triazole derivative, and a quinolinolato-based metal complex.

公开(公告)号：US12108667B2

公开(公告)日：2024-10-01

申请号：US17293309

申请日：2019-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Kyungsik Kim ,  Sungwook Kim ,  Sung-Soo Bae ,  Jaeweon Hur

IPC: H01L51/00 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/6572 ,  H10K85/40 ,  H10K85/615 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes 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 emission layer includes a spiro compound containing an aryl amine group and an indenoindole derivative, thereby showing high emission efficiency and the emission layer emits green light.

公开(公告)号：US11778844B2

公开(公告)日：2023-10-03

申请号：US16901672

申请日：2020-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  SeulOng Kim ,  Tsuyoshi Naijo ,  Sung-Soo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seung-Jin Chu ,  Jaeweon Hur

IPC: H01L27/32 ,  H01L27/15 ,  H01L33/08 ,  H01L33/14 ,  H01L33/26 ,  H01L33/50 ,  H01L33/36 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20190088896A1

公开(公告)日：2019-03-21

申请号：US15957667

申请日：2018-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Wook Kim ,  Sung-Soo Bae ,  Hye In Jeong ,  Dong Hyun Kim ,  Seul Ong Kim ,  Tsuyoshi Naijo ,  Hwan Hee Cho

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/56

Abstract: An organic light emitting device includes: a first electrode; a second electrode that overlaps the first electrode; and an organic layer that is disposed between the first electrode and the second electrode, wherein the organic layer comprises a hole transport region that includes a hole transport material and a p-dopant, and wherein when a doping amount of the p-dopant doped to the hole transport region exceeds 1 wt %, the following Equation 1 is satisfied, while when the doping amount of the p-dopant is 1 wt % or less than 1 wt %, the following Equation 2 is satisfied: HOMO_HTM−LUMO_p-dopant −0.05 eV   [Equation 2] In Equation 1 and Equation 2, HOMO_HTM denotes HOMO energy of the hole transport material and LUMO_p-dopant denotes LUMO energy of the p-dopant.

公开(公告)号：US20190044085A1

公开(公告)日：2019-02-07

申请号：US15895724

申请日：2018-02-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hye-In Jeong ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Sung-Soo Bae ,  Hwan-Hee Cho

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first 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 emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

公开(公告)号：US09831443B2

公开(公告)日：2017-11-28

申请号：US14558491

申请日：2014-12-02

Applicant: Samsung Display Co., Ltd.

Inventor： Eun-Young Lee ,  Young-Kook Kim ,  Jun-Ha Park ,  Sung-Soo Bae ,  Eun-Jae Jeong ,  Seok-Hwan Hwang

IPC: H01L51/00 ,  C09K11/02 ,  C07D405/14 ,  C07D311/78 ,  C07D405/10 ,  C09K11/06 ,  H01L51/50

CPC classification number: H01L51/0073 ,  C07D311/78 ,  C07D405/10 ,  C07D405/14 ,  C09K11/06 ,  C09K2211/1033 ,  C09K2211/1048 ,  C09K2211/1062 ,  C09K2211/1088 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5072

Abstract: A condensed cyclic compound and an organic light-emitting device including the same are provided.