公开(公告)号：US20170301867A1

公开(公告)日：2017-10-19

申请号：US15509588

申请日：2015-09-25

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Bitnari Kim ,  Hee-Ryong Kang ,  Hyun-Ju Kang ,  Jin-Ri Hong ,  Young-Mook Lim ,  Doo-Hyeon Moon

IPC: H01L51/00 ,  C07D519/00 ,  C09K11/06 ,  C07D471/22 ,  C07D487/16 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D471/16 ,  C07D471/22 ,  C07D487/16 ,  C07D487/22 ,  C07D519/00 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1018 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/001 ,  H01L51/0061 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5088 ,  H01L2251/558

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has good color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.

公开(公告)号：US20170294590A1

公开(公告)日：2017-10-12

申请号：US15509590

申请日：2015-09-25

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Doo-Hyeon Moon ,  Jeong-Eun Yang ,  Hee-Ryong Kang ,  Young-Mook Lim ,  Ji-Song Jun ,  Hee-Choon Ahn ,  Jin-Ri Hong ,  Su-Hyun Lee ,  Bitnari Kim ,  Tae-Jin Lee

IPC: H01L51/00 ,  C09K11/06 ,  C07D405/04 ,  C07D409/10 ,  C07D405/10 ,  C07D409/04 ,  C07D209/86 ,  C07D209/56

CPC classification number: H01L51/0072 ,  C07D209/56 ,  C07D209/82 ,  C07D209/86 ,  C07D209/88 ,  C07D405/02 ,  C07D405/04 ,  C07D405/10 ,  C07D409/02 ,  C07D409/04 ,  C07D409/10 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1018 ,  C09K2211/1029 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0056 ,  H01L51/0067 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5056 ,  H01L2251/5384

Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent material and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has excellent color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound and the organic electroluminescent material of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.

公开(公告)号：US11653562B2

公开(公告)日：2023-05-16

申请号：US17267469

申请日：2019-08-07

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD

Inventor： Jin-Ri Hong ,  Doo-Hyeon Moon ,  Du-Yong Park ,  Young-Mook Lim

IPC: H01L51/00 ,  C07C211/61 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/61 ,  C09K11/06 ,  C09K2211/1014 ,  H10K50/15 ,  H10K85/626

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics can be provided.

公开(公告)号：US20230141435A1

公开(公告)日：2023-05-11

申请号：US17952507

申请日：2022-09-26

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： So-Young Jung ,  Jin-Man Kim ,  Jin-Ri Hong ,  Tae-Jun Han ,  Su-Hyun Lee ,  Sang-Hee Cho

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0052 ,  H01L51/0064 ,  H01L51/0094

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and long lifespan characteristics can be provided.

公开(公告)号：US20210119142A1

公开(公告)日：2021-04-22

申请号：US17070136

申请日：2020-10-14

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Jin-Ri Hong ,  Hyo-Jung Lee ,  Hyo-Soon Park ,  Ye-Jin Jeon ,  Sang-Hee Cho ,  Tae-Jun Han

IPC: H01L51/00 ,  C07D491/048 ,  C09K11/06

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.

公开(公告)号：US10886474B2

公开(公告)日：2021-01-05

申请号：US15509590

申请日：2015-09-25

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Doo-Hyeon Moon ,  Jeong-Eun Yang ,  Hee-Ryong Kang ,  Young-Mook Lim ,  Ji-Song Jun ,  Hee-Choon Ahn ,  Jin-Ri Hong ,  Su-Hyun Lee ,  Bitnari Kim ,  Tae-Jin Lee

IPC: C07D209/56 ,  C07D209/88 ,  C07D209/86 ,  C07D209/82 ,  C07D405/02 ,  C07D405/10 ,  C07D405/04 ,  C07D409/02 ,  C07D409/10 ,  C09K11/06 ,  H01L51/00 ,  C07D409/04 ,  H01L51/50

Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent material and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has excellent color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound and the organic electroluminescent material of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.

公开(公告)号：US10749119B2

公开(公告)日：2020-08-18

申请号：US15551951

申请日：2016-02-02

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

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

IPC: H01L51/00 ,  C09K11/06 ,  C07D209/80 ,  C07D209/86 ,  C07D403/10 ,  C07D487/04 ,  C07D487/06 ,  C09K11/02 ,  H01L51/50

Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host materials, the organic electroluminescent device of the present disclosure can show long lifespan while maintaining high luminous efficiency.

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：US20170256722A1

公开(公告)日：2017-09-07

申请号：US15506277

申请日：2015-09-04

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Jae-Hoon Shim ,  Kyoung-Jin Park ,  Tae-Jin Lee ,  Hee-Choon Ahn ,  Doo-Hyeon Moon ,  Ji-Song Jun ,  Jin-Ri Hong ,  Yoo-Jin Doh

IPC: H01L51/00 ,  C07D405/10 ,  C07D409/10 ,  C07D209/86

CPC classification number: H01L51/0072 ,  C07D209/80 ,  C07D209/86 ,  C07D403/04 ,  C07D405/04 ,  C07D405/10 ,  C07D409/04 ,  C07D409/10 ,  C09K11/06 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/506 ,  H01L51/5064

Abstract: The present invention relates to a hole transport material and an organic electroluminescent device comprising the same. By using the hole transport material according to the present invention, an organic electroluminescent device having significantly improved operational lifespan while maintaining low driving voltage and high current and power efficiencies can be produced.