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1.发明公开公开(公告)号：US20240090328A1
公开(公告)日：2024-03-14
申请号：US18495274
申请日：2023-10-26
Inventor： Hee-Choon AHN , Young-Kwang KIM , Su-Hyun LEE , Ji-Song JUN , Seon-Woo LEE , Chi-Sik KIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Jae-Hoon SHIM , Young-Jun CHO , Kyung-Joo LEE
CPC classification number: H10K85/6572 , C07D209/86 , C07F15/0033 , C09K11/025 , C09K11/06 , H10K85/342 , H10K85/40 , H10K85/615 , H10K85/654 , H10K85/657 , H10K85/6574 , H10K85/6576 , C07D491/04 , C09K2211/1007 , C09K2211/1029 , C09K2211/185
Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
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2.发明公开公开(公告)号：US20230157156A1
公开(公告)日：2023-05-18
申请号：US17894700
申请日：2022-08-24
Inventor： Eun-Joung CHOI , Young-Kwang KIM , Su-Hyun LEE , So-Young JUNG , YeJin JEON , Hong-Se OH , Dong-Hyung LEE , Jin-Man KIM , Hyun-Woo KANG , Mi-Ja LEE , Hee-Ryong KANG , Hyo-Nim SHIN , Jeong-Hwan JEON , Sang-Hee CHO
IPC: H01L51/00 , C07C211/61 , C09K11/06 , C07D307/91 , C07D345/00
CPC classification number: H01L51/006 , C07C211/61 , C09K11/06 , C07D307/91 , H01L51/0061 , C07D345/00 , H01L51/5064
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
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公开(公告)号：US20230255102A1
公开(公告)日：2023-08-10
申请号：US18152350
申请日：2023-01-10
Inventor： Yoo-Jin DOH , Mi-Ran SEO , Chi-Sik KIM , Soo-Yong LEE , Kyung-Hoon CHOI , Seung-Hoon YOO , Hae-Yeon KIM , Young-Kwang KIM
CPC classification number: H10K85/615 , H10K50/11 , H10K85/657 , H10K85/6572 , H10K85/6574 , H10K85/6576
Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. In addition, present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, wherein the first host compound and the second host compound are represented by formula 2′, and wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. An organic electroluminescent device with significantly improved driving voltage, current efficiency and/or lifespan properties can be provided by comprising a specific combination of compounds according to the present disclosure as host materials.
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公开(公告)号：US20230020540A1
公开(公告)日：2023-01-19
申请号：US17679220
申请日：2022-02-24
Inventor： Seon-Woo LEE , Su-Hyun LEE , Young-Kwang KIM , Hee-Choon AHN , Doo-Hyeon MOON , Ji-Song JUN , Jae-Hoon SHIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Chi-Sik KIM , Young-Jun CHO , Bit-na-ri KIM
Abstract: The present disclosure relates to an organic electroluminescent device comprising an anode, a cathode, and an organic layer between the anode and the cathode, wherein the organic layer comprises one or more light-emitting layers; and at least one light-emitting layer comprises one or more dopant compounds and two or more host compounds. The organic electroluminescent device of the present disclosure has low driving voltage, high color purity, high luminous efficiency, and a long lifespan.
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公开(公告)号：US20220102644A1
公开(公告)日：2022-03-31
申请号：US17532265
申请日：2021-11-22
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
Abstract: The present invention relates to an organic electroluminescent device. The organic electroluminescent device of the present invention 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.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20220216430A1
公开(公告)日：2022-07-07
申请号：US17689508
申请日：2022-03-08
Inventor： Hee-Choon AHN , Young-Kwang KIM , Su-Hyun LEE , Ji-Song JUN , Seon-Woo LEE , Chi-Sik KIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Jae-Hoon SHIM , Young-Jun CHO , Kyung-Joo LEE
IPC: H01L51/00 , C09K11/06 , C07D209/86 , C07F15/00 , C09K11/02
Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
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公开(公告)号：US20190259947A1
公开(公告)日：2019-08-22
申请号：US16333642
申请日：2017-10-11
Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD
Inventor： Tae-Jin LEE , Dong-Hyung LEE , Bitnari KIM , Hong-Se OH , Young-Kwang KIM
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure can provide a low driving voltage and excellent luminous efficiency by comprising a specific combination of a host compound and a hole transport material.
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8.发明申请公开(公告)号：US20230131195A1
公开(公告)日：2023-04-27
申请号：US17896497
申请日：2022-08-26
Inventor： Young-Kwang KIM , Jeong-Eun YANG , Hong-Se OH , Hee-Ryong KANG , Joon-Hyung KIL , Eun-Joung CHOI , YeJin JEON , Dong-Hyung LEE , Hyun-Woo KANG
IPC: C07C211/54 , C07D209/82 , C07D333/76 , C07D307/91 , C07D213/74 , C07D405/12 , C07D239/42 , C07D407/12 , C07D345/00 , H01L51/00 , H01L51/50
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 current efficiency and/or lifetime properties.
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9.发明申请公开(公告)号：US20220216429A1
公开(公告)日：2022-07-07
申请号：US17689438
申请日：2022-03-08
Inventor： Hee-Choon AHN , Young-Kwang KIM , Su-Hyun LEE , Ji-Song JUN , Seon-Woo LEE , Chi-Sik KIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Jae-Hoon SHIM , Young-Jun CHO , Kyung-Joo LEE
IPC: H01L51/00 , C09K11/06 , C07D209/86 , C07F15/00 , C09K11/02
Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
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公开(公告)号：US20220077405A1
公开(公告)日：2022-03-10
申请号：US17526112
申请日：2021-11-15
Inventor： Hee-Choon AHN , Young-Kwang KIM , Doo-Hyeon MOON , Su-Hyun LEE , Seon-Woo LEE , Chi-Sik KIM , Kyoung-Jin PARK , Nam-Kyun KIM , Kyung-Hoon CHOI , Jae-Hoon SHIM , Young-Jun CHO , Kyung-Joo LEE
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 consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.
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