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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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52.发明申请公开(公告)号：US20220144855A1
公开(公告)日：2022-05-12
申请号：US17423767
申请日：2019-12-02
Inventor： Doo-Hyeon MOON , Tae-Jin LEE , Dong-Hyung LEE , So-Mi PARK , Du-Yong PARK
IPC: C07D519/00 , C07D209/86 , H01L51/00
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 improved luminous efficiency can be provided.
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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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公开(公告)号：US20210328154A1
公开(公告)日：2021-10-21
申请号：US17264742
申请日：2019-07-26
Inventor： Bitnari KIM , Su-Hyun LEE , Doo-Hyeon MOON , Sang-Hee CHO
IPC: H01L51/00
Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising 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 higher luminous efficiency and/or longer lifetime properties as compared with a conventional organic electroluminescent device.
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公开(公告)号：US20210265569A1
公开(公告)日：2021-08-26
申请号：US17259909
申请日：2019-06-05
Inventor： Bitnari KIM , Jeong-Eun YANG , Doo-Hyeon MOON , Su-Hyun LEE , Hyo-Soon PARK , Sang-Hee CHO
IPC: H01L51/00
Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising 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 higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.
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Patent Agency Ranking
公开(公告)号：US20210135127A1
公开(公告)日：2021-05-06
申请号：US17075602
申请日：2020-10-20
Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD
Inventor： So-Young Jung , Su-Hyun LEE , Mi-Ja LEE , Sang-Hee CHO , Doo-Hyeon MOON
IPC: H01L51/00
Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, higher power efficiency, and/or superior lifespan characteristics compared to conventional organic electroluminescent devices.
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57.发明申请公开(公告)号：US20210083197A1
公开(公告)日：2021-03-18
申请号：US16897422
申请日：2020-06-10
Inventor： Doo-Hyeon MOON
IPC: H01L51/00 , C07D413/10 , C07D417/10 , C09K11/06
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 provides an organic electroluminescent device having high efficiency and/or long lifespan.
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58.发明申请公开(公告)号：US20210005822A1
公开(公告)日：2021-01-07
申请号：US16886822
申请日：2020-05-29
Inventor： Doo-Hyeon MOON , Su-Hyun LEE , Jin-Ri HONG , So-Young JUNG , Dong-Hyung LEE , Sang-Hee CHO
IPC: H01L51/00
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.
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59.发明申请公开(公告)号：US20190393427A1
公开(公告)日：2019-12-26
申请号：US16481529
申请日：2018-02-09
Inventor： Doo-Hyeon MOON , Sang-Hee CHO
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure is contained in an electron transport layer and/or an electron buffer layer, so that an organic electroluminescent device having improved light-emitting efficiency can be manufactured.
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60.发明申请公开(公告)号：US20190207125A1
公开(公告)日：2019-07-04
申请号：US16325248
申请日：2017-09-13
Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD
Inventor： Hee-Choon AHN , Doo-Hyeon MOON , Sang-Hee CHO
CPC classification number: H01L51/0072 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0073 , H01L51/0074 , H01L51/5004 , H01L51/5012 , H01L51/5056 , H01L51/5076 , H01L51/5092 , H01L2251/552 , H01L2251/558
Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure comprises a specific combination of an electron buffer material and an electron transport material which can provide high efficiency and/or long lifespan.
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