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91. 发明授权

US3706725A Basic triazole disazo dyes 失效
标题翻译：基础三唑染料
公开(公告)号：US3706725A
公开(公告)日：1972-12-19
申请号：US3706725D
申请日：1970-04-15
申请人： HODOGAYA CHEMICAL CO LTD
发明人： OZUTSUMI MINORU , MAEDA SHIGEO , NAKAJYO TERUO
IPC分类号： C09B35/34 , C09B44/18 , D06P3/70
CPC分类号： C09B35/34 , C09B44/18
摘要： BASIC DISAZO COMPOUNDS HAVING THE FORMULA:

2,4-DI(R-),3,5-DI(B-N=N-)-4H-1,2,4-TRIAZOLIUM Z(-) OR

1,2-DI(R-),3,5-DI(B-N=N-)-1H-1,2,4-TRIAZOLIUM Z(-)

WHEREIN R REPRESENTS A LOWER ALKYL OR A BENZYL RADICAL; Z$ REPRESENTS AN ANION; AND B REPRESENTS EITHER

A-N(-R1)-R2

WHEREIN X REPRESENTS A DIVALENT RESIDUE RADICAL WHICH CAN FORM HETERO RINGS HAVING 5 OR 6 MEMBERS LINKED WITH A NITROGEN ATOM; AND Y REPRESENTS A LOWER ALKYL, OXYALKYL, CYANOALKYL, ALKOXYALKYL, HALOGENOALKYL, OR AN ARALKYL RADICAL WHICH ARE USEFUL FOR COLORING A WIDE VARIETY FIBERS AND ESPECIALLY POLYACRYLONITRILE TYPE FIBERS AND METHODS FOR PRODUCING THE SAME WHICH COMPOUNDS PROVIDE SHADES OF COLOR WHICH ARE CHARACTERIZED BY HIGH FASTNESS TO SUNLIGHT, GOOD WASH RESISTANCE, GOOD RUB RESISTANCE, AND GOOD HEAT STABILITY.

1,2-(-N(-Y)-X-)BENZENE

WHEREIN A IS A PHENYLENE GROUP OR A NAPHTHYLENE GROUP WHICH MAY HAVE A LOWER ALKYL, LOWER ALKOXY OR AN ACYLAMINE RADICAL OR HALOGEN AS A SUBSTITUENT; R1 AND R2 EACH REPRESENT, RESPECTIVELY, HYDROGEN, LOWER ALKYL, OXYALKYL, CYANOALKYL, ALKOXYALKYL, HALOGENOALKL, OR AN ARALKYL RADICAL, SUBSTITUTED OR UN-SUBSTITUTED PHENYL GROUP, AND THE R1 AND R2 TAKEN TOGETHER CAN BE BONDED TO FORM A RING DIRECTLY OR LINKED WITH NITROGEN OR OXYGEN ATOM; OR

92. 发明授权

US3661904A 2-alkyl-4,5-dichloro-aminopyridazones-3 and preparation thereof 失效
标题翻译： 2-烷基-4,5-二氯 - 氨基亚氨基三苯并及其制备
公开(公告)号：US3661904A
公开(公告)日：1972-05-09
申请号：US3661904D
申请日：1970-05-07
申请人： HODOGAYA CHEMICAL CO LTD
发明人： IIZUKI MASAO , IGARI NORIO , ITO SHINYA
IPC分类号： C07D237/22 , C07D51/04
CPC分类号： C07D237/22
摘要： 2-ALKYL-4,5-DICHLORO - 6 - AMINOPYRIDAZONES-3 OF THE FORMULA:

2-R,4,5-DI(CL-),6-NH2-PYRIDAZIN-3(2H)-ONE

WHEREIN R IS AN ALKYL GROUP HAVING 1 TO 4 CARBON ATOMS ARE INTERMEDIATES FOR THE PRODUCTION OF MONOAZO DYESTUFFS HAVING AN AFFINITY TO METAL-CONTAINING POLYOLEFINS AND POLYESTERS. THESE COMPOUNDS ARE PREPARED BY NITRATING THE CORREPSONDING 2-ALKYL-4,5-DICHLORO-PYRIDAZONES-3 AND REDUCING THE 6-NITRO GROUP OF THE INTERMEDIATE TO AN AMINO GROUP.

93. 发明授权

US12037332B2 Compound including benzimidazole ring structure and organic electroluminescent element 有权
公开(公告)号：US12037332B2
公开(公告)日：2024-07-16
申请号：US16981302
申请日：2019-03-20
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Kouki Kase , Su-Jin Lee , Si-In Kim , Kazuyuki Suruga , Yuta Hirayama
IPC分类号： H01L51/50 , C07D471/04 , H10K85/60 , H10K50/16 , H10K50/17
CPC分类号： C07D471/04 , H10K85/6572 , H10K50/16 , H10K50/171
摘要： A compound including a benzimidazole ring structure, represented by general formula (1).

(In formula (1), X1 and X2 may be the same or different and each represent a specific carbon atom or a nitrogen atom, Ar represents a specific group, R1 and R2 may be the same or different and each represent a specific group, and m is an integer of 0-4.)

94. 发明授权

US11999818B2 High molecular weight triarylamine compound comprising terphenyl structure in molecular main chain and organic electroluminescent element comprising said high molecular weight compound 有权
公开(公告)号：US11999818B2
公开(公告)日：2024-06-04
申请号：US16972672
申请日：2019-07-01
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Kazunori Togashi , Hideyoshi Kitahara , Junichi Izumida , Hiroki Hirai , Mika Shinoda
IPC分类号： H01L51/50 , C08G61/12 , H10K85/60 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18
CPC分类号： C08G61/12 , H10K85/631 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18
摘要： It is an object of the present invention to provide a high molecular weight compound that has excellent hole injection and transport performance, is capable of blocking electrons, and is highly stable as a thin film. It is another object of the present invention to provide an organic EL element that includes an organic layer (thin film) made of the above-described high molecular weight compound, wherein the organic EL element has high light emission efficiency and a long lifespan. The high molecular weight compound according to the present invention includes a repeating unit represented by a general formula (3), that is constituted by a specific triarylamine structural unit and a specific bonding structural unit, and has a weight average molecular weight of 10,000 or more and less than 1,000,000 on a polystyrene basis.

95. 发明公开

US20240116914A1 COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAID COMPOUND 审中-公开
公开(公告)号：US20240116914A1
公开(公告)日：2024-04-11
申请号：US18273421
申请日：2022-02-10
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Eriko CHIBA , Takeshi YAMAMOTO , Kouki KASE , Yuta HIRAYAMA , Shuichi HAYASHI
IPC分类号： C07D413/14 , C07C15/24 , C07D209/90 , C07D239/26 , C07D307/91 , C07D401/10 , C07D401/14 , C07D417/14 , H10K85/20 , H10K85/60
CPC分类号： C07D413/14 , C07C15/24 , C07D209/90 , C07D239/26 , C07D307/91 , C07D401/10 , C07D401/14 , C07D417/14 , H10K85/20 , H10K85/615 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576
摘要： It is an object of the present invention to provide a compound for a capping layer that has a high refractive index and a low extinction coefficient in a range of 450 nm to 750 nm to improve the light extraction efficiency of an organic EL element. The present invention has focused on the fact that compounds having a benzene skeleton at the center thereof are excellent in stability and also durability in the form of a thin film, and that the refractive index thereof can be improved by modifying the molecular structure, and thus, molecules have been designed. Provided is a compound represented by a general formula (1), and an organic EL element with excellent luminance efficiency is obtained by using that compound as a constituent material of a capping layer.

96. 发明授权

US11944004B2 Organic electroluminescence element 有权
公开(公告)号：US11944004B2
公开(公告)日：2024-03-26
申请号：US16076586
申请日：2017-02-08
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Norimasa Yokoyama , Shuichi Hayashi , Naoaki Kabasawa , Takeshi Yamamoto
IPC分类号： H01L51/00 , H01L51/50 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K85/60 , H10K50/125 , H10K50/81 , H10K50/82 , H10K101/10
CPC分类号： H10K85/654 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/171 , H10K50/18 , H10K85/615 , H10K85/631 , H10K85/633 , H10K85/636 , H10K85/6572 , H10K50/125 , H10K50/17 , H10K50/81 , H10K50/82 , H10K85/626 , H10K2101/10
摘要： According to the present invention, there is provided an organic electroluminescence element including at least an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence element being characterized in that: the hole injection layer contains an arylamine compound represented by the following general formula (1) and an electron acceptor. The organic EL element of the present invention has a high light emission efficiency and an excellent durability, as compared with the related art, while maintaining the existing low drive voltage.

97. 发明公开

US20240099128A1 COMPOUND, HOLE TRANSPORT MATERIAL, AND PHOTOELECTRIC CONVERSION ELEMENT INCLUDING SAME 审中-公开
公开(公告)号：US20240099128A1
公开(公告)日：2024-03-21
申请号：US18269881
申请日：2022-01-11
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Yuya OHKURA , Hideaki TAKAHASHI , Hiroshi SATO
IPC分类号： H10K85/60 , C07C225/22 , C07C229/44 , C07C255/42 , C07D209/86 , C07D239/66 , C07D265/38 , C07D279/28 , C07D333/22 , C07D409/14
CPC分类号： H10K85/633 , C07C225/22 , C07C229/44 , C07C255/42 , C07D209/86 , C07D239/66 , C07D265/38 , C07D279/28 , C07D333/22 , C07D409/14 , H10K85/636 , H10K30/86
摘要： An object of the present invention is to provide a compound that is useful as a hole transport material for providing a device for converting light into electricity that is capable of extracting current with high efficiency, and a device for converting light into electricity and a solar cell that include the compound in a hole transport layer and have favorable light/electricity conversion characteristics. The present invention provides a compound represented by the general formula (1) below. In the formula, R1 to R20 each represent a hydrogen atom, an alkoxy group having 1 to 20 carbon atoms, or the like, and Y represents an oxygen atom or CR21R22, where R21 and R22 each represent a nitrile group, an acyl group having 1 to 10 carbon atoms, or the like.

98. 发明授权

US11925114B2 Indenocarbazole compound and organic electroluminescence device 有权
公开(公告)号：US11925114B2
公开(公告)日：2024-03-05
申请号：US16342410
申请日：2017-10-18
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Takehiro Takahashi , Hideyoshi Kitahara , Junichi Izumida
IPC分类号： H10K85/60 , C07D209/94 , C07D405/14 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K101/10
CPC分类号： H10K85/6572 , C07D209/94 , C07D405/14 , C09K11/06 , H10K85/6574 , C09K2211/1025 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K2101/10
摘要： The present invention provides an indenocarbazole compound characterized by having hole transporting properties, being used as a constituent material of an organic electroluminescence device, and being represented by the following general formula (1), and an organic electroluminescence device having a pair of electrodes and at least one organic layer sandwiched therebetween is characterized in that the indenocarbazole compound is used as a constituent material of at least one organic layer. The indenocarbazole compound according to the present invention has (1) excellent hole transporting properties, (2) excellent electron blocking properties, (3) a stable thin film state, and excellent heat resistance. The organic electroluminescence device according to the present invention has a high light-emitting efficiency and high brightness.

99. 发明公开

US20230329080A1 THERMALLY-CROSSLINKABLE LOW MOLECULAR WEIGHT COMPOUND-CONTAINING COMPOSITION FOR LIGHT EMITTING DIODE 审中-公开
公开(公告)号：US20230329080A1
公开(公告)日：2023-10-12
申请号：US18022101
申请日：2021-09-17
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Yuta SAEGUSA , Mika SHINODA , Kazunori TOGASHI , Hiroki HIRAI
IPC分类号： H10K85/10 , C09K11/06 , H10K85/60 , H10K85/40 , H10K50/15 , H10K50/18
CPC分类号： H10K85/111 , C09K11/06 , H10K85/631 , H10K85/615 , H10K85/40 , H10K50/15 , H10K50/181 , C09K2211/1022 , C09K2211/1416 , C09K2211/1433
摘要： It is an object of the present invention to provide a composition for light emitting diodes with which it is possible to obtain an organic EL element that includes an organic layer formed using a high molecular weight material and whose service life can be extended as compared with that of conventional organic EL elements. The present invention provides a composition for light emitting diodes containing a high molecular weight compound and a thermally crosslinkable low molecular weight compound, wherein the thermally crosslinkable low molecular weight compound includes a compound that has two or more thermally crosslinkable structures in a molecule. The thermally crosslinkable low molecular weight compound preferably includes a compound that contains two or more thermally crosslinkable structures selected from the group consisting of an acrylate structure, a methacrylate structure, and a maleimide structure in a molecule.

100. 发明授权

US11672169B2 Organic electroluminescent element 有权
公开(公告)号：US11672169B2
公开(公告)日：2023-06-06
申请号：US16480913
申请日：2018-03-09
申请人： HODOGAYA CHEMICAL CO., LTD.
发明人： Shunji Mochizuki , Takeshi Yamamoto , Naoaki Kabasawa
IPC分类号： H01L51/00 , C09K11/06 , H01L51/50
CPC分类号： H01L51/0059 , C09K11/06 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0052 , H01L51/5064 , H01L51/5072
摘要： An object of the present invention is to provide an organic EL element that has (1) high light emission efficiency and high power efficiency, (2) a low light-emission start voltage, (3) a low actual driving voltage, and (4) an especially long lifespan. According to the present invention, provided is an organic electroluminescent element, or organic EL element, having at least an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light emitting layer, an electron transport layer, and a cathode, in this order, wherein the second hole transport layer contains an arylamine compound represented by the general formula (1) below, and the electron transport layer contains a pyrimidine derivative represented by the general formula (2) below. Note that A in the general formula (2) represents a monovalent group represented by the structural formula (3) below.

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