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1.发明公开公开(公告)号：US20230389418A1
公开(公告)日：2023-11-30
申请号：US18031951
申请日：2021-11-25
发明人： Atsushi KAWADA , Munetomo INOUE , Kentaro HAYASHI
CPC分类号： H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K85/615 , H10K85/622 , H10K50/15 , H10K50/16 , H10K2101/30
摘要： Provided are a material that achieves higher sensitivity and higher resolution of a photoelectric conversion element for imaging, and a photoelectric conversion element for imaging using the above material. The material for a photoelectric conversion element for imaging includes an indolocarbazole compound having a pentacyclic fused-ring structure having two heteroatoms, or an analogue compound thereof. The material is a compound having, as a group bonded to a nitrogen atom or a heteroatom, an alkyl group, a substituted or non-substituted aromatic hydrocarbon group, a substituted or non-substituted π-electron excess heteroaromatic group, or a linked aromatic group formed by linking of two to six of these aromatic groups.
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公开(公告)号：US20220416177A1
公开(公告)日：2022-12-29
申请号：US17778215
申请日：2020-12-10
发明人： Kentaro HAYASHI , Junya OGAWA , Yuji IKENAGA
IPC分类号： H01L51/00 , C07D487/04 , C09K11/06 , C07D209/86 , C07D405/04
摘要： To provide an organic electroluminescent device realizing high efficiency and low voltage characteristics. A light-emitting layer including compounds of (1) and (2) and a dopant is included. X represents N or CR3, wherein at least one X represents N. R1 represents (1b), R2 represents (1c), and R3 represents an alkyl group or the like. Y represents O, S, NR4, or CR5R6, R4 to R6 each represent an alkyl group or the like, and one of R7 to R14 binds to a ring in (1). * represents a binding position to a ring in (1), and rings C and D are each an aromatic ring fused to an adjacent ring. R15, R16 and R17 have the same meaning as R3 (a and b represent the number of substitutions). R19 has the same meaning as R4, and R20 to R27 each represent CR3, CR28 or N and at least one thereof represents CR28, and R28 represents formula (2b). Z represents O, S, NR37, or CR38R39, R37 to R39 each has the same meaning as R4, and one of R29 to R36 binds to a ring in (2) and the others represent CR3 or N.
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公开(公告)号：US20240237523A1
公开(公告)日：2024-07-11
申请号：US18286724
申请日：2022-05-27
发明人： Yuji IKENAGA , Takahiro KAI , Kentaro HAYASHI , Mitsuru SAKAI , Yuya SHIMAMOTO
IPC分类号： H10K85/60 , C07D209/86 , C09K11/06 , H10K50/12 , H10K71/16 , H10K101/00
CPC分类号： H10K85/6572 , C07D209/86 , C09K11/06 , H10K71/16 , C09K2211/1018 , H10K50/12 , H10K2101/90
摘要： To provide a practically useful organic EL device having a low driving voltage and also having a high efficiency and a long lifetime, and a deuteride suitable therefor. A deuteride of a compound represented by the following general formula (1), in which a rate of deuteration of hydrogen atoms on aromatic rings in Ar1 and Ar2 in a compound represented by the following general formula (1) is 40% or more, wherein Ar1 and Ar2 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted linked aromatic group in which two to five of these aromatic rings are linked to each other, and aromatic hydrocarbon groups in the case of these aromatic rings linked are the same as or different from each other.
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4.发明公开公开(公告)号：US20230276704A1
公开(公告)日：2023-08-31
申请号：US18025216
申请日：2021-10-21
发明人： Haruka IZUMI , Kentaro HAYASHI
IPC分类号： H10K85/60 , C07D487/04 , C09K11/06
CPC分类号： H10K85/6572 , C07D487/04 , C09K11/06 , H10K85/654 , H10K50/11
摘要： To provide an organic EL device having a low driving voltage and also high efficiency and high driving stability, and a compound suitable therefor. The compound for an organic EL device has a structure in which a nitrogen-containing 6-membered ring group like triazine is directly bonded to one of two N-positions in an indolocarbazole ring and a nitrogen-containing 6-membered ring group is bonded to other thereof via an aromatic hydrocarbon group like phenylene. The organic EL device of the present invention contains the compound for an organic EL device and a biscarbazole compound as hosts in a light-emitting layer.
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公开(公告)号：US20210111348A1
公开(公告)日：2021-04-15
申请号：US16981004
申请日：2019-03-08
发明人： Kentaro HAYASHI , Takuo NAGAHAMA , Yuji IKENAGA
摘要： Provided is a polymer for an organic electroluminescent device, which has high luminous efficiency and high durability, and is applicable to a wet process. In an organic electroluminescent device having laminated, on a substrate, an anode, organic layers, and a cathode, a material containing the polymer for an organic electroluminescent device, which includes a polyphenylene main chain having a pentacyclic fused heterocyclic structure in a side chain thereof, is used in at least one layer of the organic layers.
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公开(公告)号：US20240032323A1
公开(公告)日：2024-01-25
申请号：US18036052
申请日：2021-12-09
发明人： Ikumi KITAHARA , Kentaro HAYASHI , Junya OGAWA , Tokiko UEDA
CPC分类号： H10K50/12 , C09K11/06 , H10K85/6572 , H10K85/342 , C09K2211/185
摘要： To provide a practically useful organic EL device having a low voltage, high efficiency and lifetime characteristics. An organic EL device including a light-emitting layer between an anode and a cathode opposite to each other, in which the light-emitting layer contains a first host selected from a compound represented by the following general formula (1), a second host selected from a compound represented by the following general formula (2), and a light-emitting dopant material.
In the general formula (1), a ring A is an aromatic ring represented by formula (Ia), a ring B is a heterocycle represented by formula (Ib), Tp represents a triphenylene group, L represents an aromatic hydrocarbon group having 6 to 18 carbon atoms, and X represents N or C—H. In the general formula (2), a ring C represents an aromatic ring represented by formula (2a) and a ring D represents a heterocycle represented by formula (2b).-
公开(公告)号：US20240008354A1
公开(公告)日：2024-01-04
申请号：US18038325
申请日：2021-12-09
发明人： Ikumi KITAHARA , Kentaro HAYASHI , Junya OGAWA , Tokiko UEDA
CPC分类号： H10K85/342 , H10K50/12 , H10K85/6572 , H10K85/622 , H10K85/631 , H10K71/16 , H10K2101/20
摘要： To provide an organic electroluminescent device (organic EL device) that is driven at a low voltage and that has high efficiency and lifetime characteristics. The organic EL device includes a light-emitting layer between an anode and a cathode opposed to each other, in which the light-emitting layer contains a first host selected from an indolocarbazole compound having a triphenylene ring-containing group with which an N-position of an indolocarbazole ring is directly or indirectly substituted, a second host selected from a biscarbazole compound having a structure in which two carbazole rings are linked at a carbon position, and a light-emitting dopant material.
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8.发明公开公开(公告)号：US20230422611A1
公开(公告)日：2023-12-28
申请号：US18038883
申请日：2021-12-09
发明人： Ikumi KITAHARA , Kentaro HAYASHI , Junya OGAWA , Tokiko UEDA
IPC分类号： H10K85/60 , C07D487/04 , C09K11/02
CPC分类号： H10K85/6572 , C07D487/04 , H10K85/654 , H10K85/622 , H10K85/6574 , C09K11/02 , H10K50/11
摘要： To provide a compound for an organic EL device which provides an organic EL device having a low driving voltage and also high efficiency and extended lifetime characteristics, and an organic EL device using the compound. The compound for an organic EL device is a compound having an indolocarbazole skeleton represented by the following general formula (1):
wherein a ring A is a benzene ring, a ring B is represented by formula (1b), Tp represents a triphenylene group, L represents an aromatic hydrocarbon group having 6 to 18 carbon atoms, X represents N or C—H and at least one thereof represents N, and n represents an integer of 1 to 3.-
9.发明公开公开(公告)号：US20230142222A1
公开(公告)日：2023-05-11
申请号：US17916305
申请日：2021-04-16
发明人： Yuji IKENAGA , Takahiro KAI , Kazunari YOSHIDA , Kentaro HAYASHI
IPC分类号： H10K85/60 , C07D487/04
CPC分类号： H10K85/6572 , C07D487/04 , H10K85/654 , H10K50/11
摘要： To provide an organic EL device having high efficiency and extended lifetime while having a low driving voltage, and a compound suitable therefor. A material for an organic electroluminescent device of the present invention is comprised of an indolocarbazole compound represented by the following general formula (1):
wherein a ring A is a heterocycle represented by formula (1a); Ar1 and Ar2 each represent an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group in which two to five of these aromatic rings are linked to each other; L1 represents an aromatic hydrocarbon group or an aromatic heterocyclic group; L2 represents an aromatic heterocyclic group; Ar3 represents a carbazolyl group; and a+b+c≥1.-
公开(公告)号：US20230131577A1
公开(公告)日：2023-04-27
申请号：US17799769
申请日：2021-03-18
发明人： Kentaro HAYASHI , Junya OGAWA , Yuji IKENAGA
IPC分类号： H10K85/60 , C07D487/04 , C09K11/06
摘要： To provide a practically useful organic electroluminescent device which is improved in luminous efficiency and at the same time, sufficiently secures the stability during driving. An organic electroluminescent device, wherein a light-emitting layer includes two host materials different from each other, and a dopant material, one of the host materials is a compound represented by general formula (1) and the other of the host materials is a compound represented by general formula (2). A ring A is a heterocycle represented by formula (1a), X represents N or C—Ar′, Y represents O, S, N—Ar3, or C—Ar4Ar5, and any one of Z1 to Z4 represents a carbon atom binding to a 6-membered ring containing X and the others and Z5 to Z8 each represent C—Ar′ or N. Ar, Ar′ and Ar1 to Ar5 each represent, for example, hydrogen, or an alkyl group having 1 to 20 carbon atoms. A ring B is a heterocycle represented by formula (2a), and Ar6 and Ar7 each represent, for example, hydrogen, or an alkyl group having 1 to 20 carbon atoms.
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