公开(公告)号：US11725138B2

公开(公告)日：2023-08-15

申请号：US17111339

申请日：2020-12-03

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun Kim ,  Ji-Won Um ,  Kyoung-Jin Park ,  Mi-Ja Lee ,  Chi-Sik Kim

IPC: H01L51/00 ,  C07D413/14 ,  C09K11/06

CPC classification number: C09K11/06 ,  C07D413/14 ,  C09K2211/1018

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, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, lifetime and/or power efficiency properties.

公开(公告)号：US20220194973A1

公开(公告)日：2022-06-23

申请号：US17499530

申请日：2021-10-12

Applicant: LG Display Co., Ltd. ,  Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Ku-Sun Choung ,  Hee-Jun Park ,  Hee-Ryong Kang ,  Kyoung-Jin Park ,  Hyun Kim ,  Ga-Won Lee ,  Seung-hyun Yoon

IPC: C07F15/00 ,  H01L51/00

Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan. Ir(LA)m(LB)n   [Formula 1]

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：US09287512B2

公开(公告)日：2016-03-15

申请号：US14825517

申请日：2015-08-13

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hee-Choon Ahn ,  Young-Jun Cho ,  Hyuck Joo Kwon ,  Bong-Ok Kim ,  Seok Keun Yoon ,  Doo-Hyeon Moon ,  Hee Sook Kim ,  Su-Hyun Lee ,  Hyo-Nim Shin ,  Kyung Joo Lee ,  Kyoung-Jin Park ,  Nam-Kyun Kim

IPC: C07D487/14 ,  C07D403/14 ,  C09K11/06 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D401/04 ,  C07D403/04 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5016 ,  H05B33/14

Abstract: The present invention relates to a novel organic electroluminescent compound, layer and an organic electroluminescent device using the same. Said organic luminescent compound provides an organic light emitting layer and/or device which has high luminous efficiency and a long operation lifetime and requires a low driving voltage improving power efficiency and power consumption.

Abstract translation: 本发明涉及一种新颖的有机电致发光化合物，层和使用其的有机电致发光器件。 所述有机发光化合物提供了具有高发光效率和长使用寿命的有机发光层和/或器件，并且需要低驱动电压来提高功率效率和功耗。

公开(公告)号：US20150249224A1

公开(公告)日：2015-09-03

申请号：US14426173

申请日：2013-09-10

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： So-Young Jung ,  Bong-Ok Kim ,  Chi-Sik Kim ,  Hyun Kim ,  Jong-Seok Ku ,  Hyuck-Joo Kwon ,  Kyung-Joo Lee ,  Kyoung-Jin Park

IPC: H01L51/00 ,  C07D495/04 ,  C07D403/14 ,  C09K11/06 ,  C07D403/04 ,  C07D409/14 ,  C07D487/04 ,  C07D407/14 ,  C07F15/00 ,  C07D491/048

CPC classification number: H01L51/0085 ,  C07D213/89 ,  C07D251/12 ,  C07D403/04 ,  C07D403/14 ,  C07D405/14 ,  C07D407/14 ,  C07D409/14 ,  C07D487/04 ,  C07D491/048 ,  C07D495/04 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1018 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5016 ,  H05B33/10

Abstract: The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device according to the present invention, has an advantage of showing a higher luminous efficiency under a driving voltage lower than that of the device comprising conventional luminescent materials.

Abstract translation: 本发明涉及掺杂剂化合物和主体化合物的具体组合，以及包含其的有机电致发光器件。 根据本发明的有机电致发光器件具有在比包括常规发光材料的器件的驱动电压低的驱动电压下显示更高的发光效率的优点。

公开(公告)号：US12279525B2

公开(公告)日：2025-04-15

申请号：US17391166

申请日：2021-08-02

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyo-Soon Park ,  Kyoung-Jin Park ,  Sang-Hee Cho ,  So-Mi Park ,  Dong-Hyung Lee

IPC: H01L51/50 ,  C07D307/91 ,  C07D403/10 ,  H10K85/60 ,  H10K50/11 ,  H10K101/00

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1, a plurality of host materials comprising a combination of specific compounds, and an organic electroluminescent device comprising the same. The organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifespan properties can be provided by including the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material(s).

公开(公告)号：US20230276690A1

公开(公告)日：2023-08-31

申请号：US17896508

申请日：2022-08-26

Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hyun KIM ,  Kyoung-Jin Park ,  So-Young Jung ,  Kyung-Hoon Choi ,  Seung-Ae Kim ,  Jin-Ri Hong ,  So-Mi Park ,  Mi-Ja Lee ,  Hyun-Woo Kang

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  C07D409/14 ,  C07D495/04 ,  C07D403/14 ,  C07D209/86

CPC classification number: H01L51/0085 ,  C07D209/86 ,  C07D403/14 ,  C07D409/14 ,  C07D495/04 ,  C07F15/0033 ,  C09K11/06 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/5012

Abstract: The present disclosure relates to an organic electroluminescent device including a first electrode; a second electrode; and at least one light-emitting layer(s) positioned between the first electrode and the second electrode, and wherein the light-emitting layer includes a host comprising a compound represented by formula 1 and a compound represented by formula 2, and a dopant comprising a compound represented by formula 3, so that the present disclosure may provide an organic electroluminescent device having high efficiency and long lifespan property.

公开(公告)号：US11130747B2

公开(公告)日：2021-09-28

申请号：US15525077

申请日：2015-11-11

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Jae-Hoon Shim ,  Kyoung-Jin Park ,  Yoo-Jin Doh ,  Bitnari Kim

IPC: H01L51/50 ,  C07D403/10 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D487/04 ,  C07D495/04 ,  C07F7/08 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14

Abstract: The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides high efficiency and long lifespan.

公开(公告)号：US09768394B2

公开(公告)日：2017-09-19

申请号：US15311539

申请日：2015-05-27

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Hyun-Ju Kang ,  Hee-Ryong Kang ,  Young-Gil Kim ,  Chi-Sik Kim ,  Seon-Woo Lee ,  Jeong-Eun Yang ,  Hee-Choon Ahn ,  Kyoung-Jin Park ,  Tae-Jin Lee

IPC: C07D491/147 ,  H01L51/00 ,  C09K11/02 ,  H01L51/50

CPC classification number: H01L51/0071 ,  C07D491/147 ,  C09K11/025 ,  H01L51/0052 ,  H01L51/0072 ,  H01L51/5016

Abstract: The present disclosure relates to an organic electroluminescent compound 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 has a low driving voltage, excellent current and power efficiencies, and improved operation lifespan.

公开(公告)号：US20170213968A1

公开(公告)日：2017-07-27

申请号：US15327664

申请日：2015-07-22

Applicant: Rohm and Haas Electronic Materials Korea Ltd.

Inventor： Kyoung-Jin Park ,  Tae-Jin Lee ,  Jae-Hoon Shim ,  Yoo-Jin Doh ,  Hee-Choon Ahn ,  Young-Kwang Kim ,  Doo-Hyeon Moon ,  Jeong-Eun Yang ,  Su-Hyun Lee ,  Chi-Sik Kim ,  Ji-Song Jun

IPC: H01L51/00 ,  C09K11/02

CPC classification number: H01L51/006 ,  C07D209/86 ,  C07D405/14 ,  C07D409/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5064 ,  H01L2251/5384 ,  H05B33/20

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.