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11.发明申请公开(公告)号：US20210261560A1
公开(公告)日：2021-08-26
申请号：US17175142
申请日：2021-02-12
Inventor： Hyo-Jung LEE , Young-Kwang KIM , Jin-Ri HONG
IPC: C07D491/052 , C07D495/04 , C07D493/04 , C07D519/00 , 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 low driving voltage and/or high luminous efficiency can be provided.
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12.发明公开公开(公告)号：US20240349527A1
公开(公告)日：2024-10-17
申请号：US18590075
申请日：2024-02-28
Inventor： Chi-Sik KIM , Young-Kwang KIM , Yoo-Jin DOH , HaeYeon KIM
CPC classification number: H10K50/11 , H10K85/626 , H10K85/6574
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, an organic electroluminescent compound represented by formula 3 and formula 4, and an organic electroluminescent device comprising the same.
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13.发明公开公开(公告)号：US20240206333A1
公开(公告)日：2024-06-20
申请号：US18416245
申请日：2024-01-18
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
CPC classification number: H10K85/6572 , C09K11/025 , C09K11/06 , H10K85/342 , H10K85/40 , H10K85/615 , H10K85/626 , H10K85/654 , H10K85/657 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/1092 , H10K50/11
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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公开(公告)号：US20240147845A1
公开(公告)日：2024-05-02
申请号：US18530611
申请日：2023-12-06
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: H10K85/60 , C07D209/86 , C07D405/14 , C07D409/14 , C09K11/02 , C09K11/06 , H05B33/20
CPC classification number: H10K85/633 , C07D209/86 , C07D405/14 , C07D409/14 , C09K11/025 , C09K11/06 , H05B33/20 , H10K85/631 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1029 , C09K2211/1088 , C09K2211/1092 , C09K2211/185 , H10K50/11
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.
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Patent Agency Ranking
公开(公告)号：US20230284470A1
公开(公告)日：2023-09-07
申请号：US18172989
申请日：2023-02-22
Inventor： Dong-Hyung LEE , Hong-Se OH , Jin-Man KIM , So-Mi PARK , Eun-Joung CHOI , Hae-Yeon KIM , Joon-Hyung KIL , Jeong-Hwan JEON , Young-Kwang KIM , Seung-Hoon YOO , Hyun-Woo KANG , Min-Jung CHANG
IPC: H10K50/15 , H10K85/60 , H10K85/40 , H10K50/11 , C07D209/82 , C07D421/04 , C07D405/04 , C07D409/04 , C07D405/12
CPC classification number: H10K50/15 , H10K85/6572 , H10K85/636 , H10K85/657 , H10K85/6574 , H10K85/6576 , H10K85/654 , H10K85/40 , H10K85/622 , H10K50/11 , C07D209/82 , C07D421/04 , C07D405/04 , C07D409/04 , C07D405/12 , H10K2101/10
Abstract: The present disclosure relates to an organic electroluminescent device and an organic electroluminescent compound. By comprising the compound according to the present disclosure or a specific combination of compounds according to the present disclosure, it is possible to produce an organic electroluminescent device having lower driving voltage, higher luminous efficiency and/or improved lifetime properties, compared to the conventional organic electroluminescent device.
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16.发明申请公开(公告)号：US20230100003A1
公开(公告)日：2023-03-30
申请号：US17833783
申请日：2022-06-06
Inventor： Ji-Song JUN , Hong-Se OH , Young-Kwang KIM , So-Mi PARK , Dong-Hyung LEE , Tae-Jun HAN
IPC: H01L51/00
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 compounds according to the present disclosure, it is possible to provide an organic electroluminescent device having improved luminous efficiency and/or lifetime properties.
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17.发明申请公开(公告)号：US20220209137A1
公开(公告)日：2022-06-30
申请号：US17690331
申请日：2022-03-09
Inventor： Hong-Se OH , Young-Kwang KIM , Doo-Hyeon MOON
IPC: H01L51/00
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 a high glass transition temperature that can be used in a deposition process. Further, by comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and/or improved lifespan characteristics can be provided.
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公开(公告)号：US20220102633A1
公开(公告)日：2022-03-31
申请号：US17532294
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
IPC: H01L51/00 , C09K11/06 , H05B33/20 , C07D209/86 , C07D405/14 , C07D409/14 , C09K11/02
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.
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19.发明申请公开(公告)号：US20190355913A1
公开(公告)日：2019-11-21
申请号：US16481531
申请日：2018-02-14
Inventor： Hong-Se OH , Young-Kwang KIM , Doo-Hyeon MOON
IPC: H01L51/00
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 a high glass transition temperature that can be used in a deposition process. Further, by comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having a low driving voltage, high luminous efficiency, and/or improved lifespan characteristics can be provided.
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