公开(公告)号：US20180022991A1

公开(公告)日：2018-01-25

申请号：US15550400

申请日：2016-01-21

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hee-Ryong Kang ,  Jin-Ri Hong ,  Bitnari Kim ,  Sang-Hee Cho

IPC: C09K11/06 ,  H01L51/50 ,  C07D209/82 ,  H01L51/00 ,  C07D403/10 ,  C07D251/24

CPC classification number: C09K11/06 ,  C07D209/82 ,  C07D251/24 ,  C07D403/10 ,  C07D405/14 ,  C07D409/14 ,  C09B57/00 ,  C09B57/008 ,  C09B57/10 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5024

Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention can be comprised in a light-emitting layer or an electron buffer layer, and is effective to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and significantly improved operational lifespan.

公开(公告)号：US09859507B2

公开(公告)日：2018-01-02

申请号：US15306123

申请日：2015-04-30

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hee-Ryong Kang ,  Hyun-Ju Kang ,  Young-Mook Lim ,  Mi-Ja Lee ,  Nam-Kyun Kim ,  Bitnari Kim ,  Jin-Ri Hong ,  Doo-Hyeon Moon ,  Su-Hyun Lee

IPC: C07D487/16 ,  C07D471/16 ,  C09K11/06 ,  H01L51/54 ,  C07D519/00 ,  H05B33/14 ,  H01L51/00 ,  C09K11/02 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D471/16 ,  C07D487/16 ,  C07D519/00 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/5016

Abstract: The present disclosure relates to an organic electroluminescent compound of Formula 1 (variables R1-R10 defined herein), and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device which can be operated at a lowered driving voltage, shows excellence in luminous efficiency such as current efficiency and power efficiency, and has high color purity and improved lifespan.

公开(公告)号：US20170335181A1

公开(公告)日：2017-11-23

申请号：US15521903

申请日：2015-11-04

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hyun Kim ,  Hee-Ryong Kang ,  Sung-Woo Jang ,  Bitnari Kim

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

Abstract: Disclosed herein are combinations of a dopant compound and a host compound. The dopant being an Iridium complex and the host being a carbazole derivative. Also made known are electroluminescent devices comprising the same.

公开(公告)号：US20170047528A1

公开(公告)日：2017-02-16

申请号：US15306123

申请日：2015-04-30

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hee-Ryong Kang ,  Hyun-Ju Kang ,  Young-Mook Lim ,  Mi-Ja Lee ,  Nam-Kyun Kim ,  Bitnari Kim ,  Jin-Ri Hong ,  Doo-Hyeon Moon ,  Su-Hyun Lee

IPC: H01L51/00 ,  C09K11/02 ,  C07D487/16

CPC classification number: H01L51/0072 ,  C07D471/16 ,  C07D487/16 ,  C07D519/00 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/5016

Abstract: The present disclosure relates to an organic electroluminescent compound of Formula 1 (variables R1-R10 defined herein), and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device which can be operated at a lowered driving voltage, shows excellence in luminous efficiency such as current efficiency and power efficiency, and has high color purity and improved lifespan.

Abstract translation: 本公开内容涉及式1的有机电致发光化合物（本文定义的变量R1-R10）和包含该有机电致发光化合物的有机电致发光器件。 通过使用根据本公开的有机电致发光化合物，可以制备可以在降低的驱动电压下操作的有机电致发光器件，显示出诸如电流效率和功率效率的发光效率的优异性，并且具有高的色纯度和 寿命延长。

公开(公告)号：US11793075B2

公开(公告)日：2023-10-17

申请号：US16908973

申请日：2020-06-23

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Bitnari Kim ,  Su-Hyun Lee ,  Doo-Hyeon Moon ,  So-Young Jung ,  Du-Yong Park ,  Hae-Yeon Kim ,  Sang-Hee Cho ,  Jin-Ri Hong

IPC: H10K85/60

CPC classification number: H10K85/6576 ,  H10K85/622 ,  H10K85/631 ,  H10K85/654 ,  H10K85/656 ,  H10K85/6572 ,  H10K85/6574

Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having a high power efficiency and/or long lifespan can be provided.

公开(公告)号：US11708328B2

公开(公告)日：2023-07-25

申请号：US16641286

申请日：2018-08-23

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Su-Hyun Lee ,  Hyo-Soon Park ,  Tae-Jun Han ,  Bitnari Kim

IPC: C07D209/80 ,  C07D307/93 ,  C07D333/80 ,  C07D401/04 ,  C07D401/14 ,  C07D403/04 ,  C07D403/10 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C07D409/10 ,  C07D471/04 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  H01L51/00

CPC classification number: C07D209/80 ,  C07D307/93 ,  C07D333/80 ,  C07D401/04 ,  C07D401/14 ,  C07D403/04 ,  C07D403/10 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C07D409/10 ,  C07D471/04 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  H01L51/006 ,  H01L51/0052 ,  H01L51/0065 ,  H01L51/0067 ,  H01L51/0068

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having low driving voltage and/or improved lifespan properties.

公开(公告)号：US11552257B2

公开(公告)日：2023-01-10

申请号：US16886820

申请日：2020-05-29

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Bitnari Kim ,  Doo-Hyeon Moon ,  Su-Hyun Lee ,  Du-Yong Park ,  So-Young Jung ,  Hae-Yeon Kim ,  Sang-Hee Cho

IPC: H01L51/00

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.

公开(公告)号：US20220290042A1

公开(公告)日：2022-09-15

申请号：US17752425

申请日：2022-05-24

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hee-Ryong Kang ,  Jin-Ri Hong ,  Bitnari Kim ,  Sang-Hee Cho

IPC: C09K11/06 ,  C09B57/10 ,  H01L51/00 ,  C09B57/00 ,  C07D209/82 ,  C07D251/24 ,  C07D403/10 ,  H01L51/50

Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention can be comprised in a light-emitting layer or an electron buffer layer, and is effective to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and significantly improved operational lifespan.

公开(公告)号：US20210210699A1

公开(公告)日：2021-07-08

申请号：US17205211

申请日：2021-03-18

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Kyoung-Jin Park ,  Bitnari Kim ,  Yoo-Jin Doh ,  Hyun-Ju Kang ,  Young-Mook Lim ,  Su-Hyun Lee ,  Chi-Sik Kim

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02

Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host comprises plural host compounds; at least a first host compound of the plural host compounds has a structure of a nitrogen-containing heterocyclic linker bonded to a nitrogen atom of a carbazole of an indole-carbazole, indene-carbazole, benzofuran-carbazole, or benzothiophene-carbazole residue; and a second host compound has a carbazole-aryl-carbazole or carbazole-carbazole structure. According to the present invention, by using a specific multi-component host different from the conventional organic electroluminescent device, an organic electroluminescent device of significantly improved lifespan is provided.

公开(公告)号：US20190157569A1

公开(公告)日：2019-05-23

申请号：US16099211

申请日：2017-04-12

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyo-Jung Lee ,  Young-Mook Lim ,  Bitnari Kim

IPC: H01L51/00 ,  C07D487/04

Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material, and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device having improved lifespan properties, compared to the organic electroluminescent device comprising a conventional organic electroluminescent compound.