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1. 发明公开

EP3855520A1 INK COMPOSITION FOR MANUFACTURING ORGANIC SEMICONDUCTOR DEVICE 审中-公开
公开(公告)号：EP3855520A1
公开(公告)日：2021-07-28
申请号：EP19863021.2
申请日：2019-09-12
申请人： Daicel Corporation
发明人： AKAI, Yasuyuki , YOKOO, Takeshi
IPC分类号： H01L51/40 , C09D11/00 , H01L21/336 , H01L29/786 , H01L51/05 , H01L51/30
摘要： An object of the present invention is to provide an ink composition for manufacturing an organic semiconductor device, the ink composition allowing an organic semiconductor material with a rigid main chain into an ink having an optimal solute concentration for a single-crystal formation process. The present invention provides an ink composition for manufacturing an organic semiconductor device, the ink composition including at least one solvent selected from Naphthalene Compound (A) and at least one solute. The isomer content of Naphthalene Compound (A) is preferably 2% or less in terms of a percentage for peak area with Naphthalene Compound (A) being 100% in gas chromatography. Naphthalene Compound (A): a compound represented by Formula (a), where in Formula (a), R is as defined in the description.

2. 发明公开

EP4144802A1 CONDUCTOR MATERIAL 审中-公开
公开(公告)号：EP4144802A1
公开(公告)日：2023-03-08
申请号：EP21795972.5
申请日：2021-04-27
申请人： The University of Tokyo , Daicel Corporation
发明人： OKAMOTO, Toshihiro , KUROSAWA, Tadanori , YAMASHITA, Yu , TAKEYA, Junichi , IKEDA, Daiji , YOKOO, Takeshi , AKAI, Yasuyuki
IPC分类号： C08L101/12 , H01B1/12
摘要： Provided is a conductor material having high conductivity. The conductor material according to an embodiment of the present disclosure has a configuration in which a conjugated polymeric compound having an electron donating group containing a heteroatom in a side chain is doped with a dopant containing an anion selected from a nitrogen anion, a boron anion, a phosphorus anion and an antimony anion, and a counter cation. The anion is preferably an anion represented by Formula (1) below: where R 1 and R 2 are identical or different, and each represent an electron withdrawing group; and R 1 and R 2 may be bonded to each other to form a ring with an adjacent nitrogen atom.

3. 发明公开

EP4137477A1 DOPANT AND CONDUCTOR MATERIAL 审中-实审
公开(公告)号：EP4137477A1
公开(公告)日：2023-02-22
申请号：EP21788117.6
申请日：2021-04-15
申请人： The University of Tokyo , Daicel Corporation
发明人： OKAMOTO, Toshihiro , KUROSAWA, Tadanori , TAKEYA, Junichi , IKEDA, Daiji , YOKOO, Takeshi , AKAI, Yasuyuki
IPC分类号： C07C211/56 , C08G61/12 , H01B1/12
摘要： Provided is a dopant with which a conductor material having high electrical conductivity can be formed. The present disclosure relates to a dopant containing a radical cation represented by Formula (1) and a counter anion. In Formula (1), R 1 to R 3 may be the same or different, and each denotes a monovalent aromatic group or a group represented by Formula (r). at least one of R 1 to R 3 is a group represented by Formula (r), and n indicates the valence of the radical cation and is equal to the quantity (n) of nitrogen atoms in the formula. In Formula (r), Ar 1 , Ar 2 , and Ar 3 may be the same or different, and each denotes a divalent aromatic group, and Ar 4 , Ar 5 , Ar 6 , and Ar 7 may be the same or different, and each denotes a monovalent aromatic group optionally having a substituent represented by Formula (sb) below. Furthermore, m and n may be the same or different, and each represents an integer of 0 or greater.

4. 发明公开

EP4108657A1 NEW COMPOUND AND USE THEREOF 审中-公开
公开(公告)号：EP4108657A1
公开(公告)日：2022-12-28
申请号：EP20919948.8
申请日：2020-02-19
申请人： Daicel Corporation , The University of Tokyo
发明人： IKEDA, Daiji , YOKOO, Takeshi , AKAI, Yasuyuki , OKAMOTO, Toshihiro , KUROSAWA, Tadanori , TAKEYA, Junichi , CEN, Dinghai
IPC分类号： C07D307/77 , C07D333/50 , C07D409/14 , C07D417/14 , H01L21/336 , H01L29/786 , H01L51/05 , H01L51/30 , H01L51/40
摘要： Provided is a compound that is excellent in chemical stability, has a high solubility in a solvent, and exhibits an excellent carrier mobility.
A compound represented by Formula (1):

where in Formula (1), X 1 , X 2 , X 3 , and R 1 to R 10 are as defined in the specification.

5. 发明公开

EP3958335A1 INK COMPOSITION FOR PRODUCING ORGANIC SEMICONDUCTOR DEVICE 审中-公开
公开(公告)号：EP3958335A1
公开(公告)日：2022-02-23
申请号：EP20790908.6
申请日：2020-04-06
申请人： Daicel Corporation
发明人： AKAI, Yasuyuki , YOKOO, Takeshi , HISHIDA, Masahiro
IPC分类号： H01L51/30 , C07D307/79 , C07D471/04 , H01L21/336 , H01L29/786 , H01L51/05 , H01L51/40
摘要： Provided is an ink composition for manufacturing an organic semiconductor device, the ink composition allowing an organic semiconductor material with a rigid main chain skeleton to be formed into an ink having a solute concentration that is optimal for a single-crystal formation process. The ink composition for manufacturing an organic semiconductor device contains at least one solvent selected from 2,3-dihydrobenzofuran Compound (A) described below, and at least one type of solute: 2,3-dihydrobenzofuran Compound (A), which includes compounds represented by Formula (a): where in Formula (a), R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are as defined in the specification.

6. 发明公开

EP3471160A1 COMPOSITION FOR PRODUCING ORGANIC SEMICONDUCTOR DEVICES 审中-公开
公开(公告)号：EP3471160A1
公开(公告)日：2019-04-17
申请号：EP17810063.2
申请日：2017-05-17
申请人： Daicel Corporation
发明人： YOKOO, Takeshi , SUZUKI, Youji , AKAI, Yasuyuki
IPC分类号： H01L51/30 , H01L51/05
摘要： Provided is a composition for manufacturing an organic semiconductor device, the composition enabling formation of an organic semiconductor device that stably shows high carrier mobility.
A composition for manufacturing an organic semiconductor device contains 2,3-dihydrobenzofuran as a solvent and an organic semiconductor material below, in which the water content of the solvent is 0.25 wt% or less.
The organic semiconductor material: at least one compound selected from the group consisting of a compound represented by formula (1-1), a compound represented by formula (1-2), a compound represented by formula (1-3), a compound represented by formula (1-4), a compound represented by formula (1-5), and a compound represented by formula (1-6).

wherein X 1 and X 2 are the same or different and each represent an oxygen atom, a sulfur atom, or a selenium atom, m is 0 or 1, n 1 and n 2 are the same or different and each represent 0 or 1, and R 1 and R 2 are the same or different and each represent a fluorine atom, a C 1-20 alkyl group, a C 6-13 aryl group, a pyridyl group, a furyl group, a thienyl group, or a thiazolyl group, in which 1 or 2 or more hydrogen atoms contained in the alkyl group may be substituted by a fluorine atom, and in which 1 or 2 or more hydrogen atoms contained in the aryl group, the pyridyl group, the furyl group, the thienyl group, and the thiazolyl group may be substituted by a fluorine atom or an alkyl group having 1 to 10 carbon atoms.)

7. 发明公开

EP3396727A1 COMPOSITION FOR MANUFACTURING ORGANIC SEMICONDUCTOR DEVICE 审中-实审
公开(公告)号：EP3396727A1
公开(公告)日：2018-10-31
申请号：EP16878475.9
申请日：2016-12-13
申请人： Daicel Corporation , THE UNIVERSITY OF TOKYO
发明人： SUZUKI, Youji , YOKOO, Takeshi , AKAI, Yasuyuki , TAKEYA, Junichi
IPC分类号： H01L51/30 , H01L51/05 , H01L51/40
CPC分类号： H01L51/05
摘要： There is provided a composition being excellent in the dissolvability of an organic semiconductor material and being capable of forming an organic semiconductor device having a high carrier mobility by using a printing method under a low-temperature environment. The composition for producing an organic semiconductor device according to the present invention comprises an organic semiconductor material and solvent (A). The organic semiconductor material is an N-shaped fused-ring n-conjugated molecule; and solvent (A) is a compound represented by formula (a). In the formula, L represents a single bond, -O-, -NH-C(=O)-NH-, -C(=O)-, or -C(=S)-; k represents an integer of 0 to 2; R 1 represents a group selected from C 1-20 alkyl, C 2-20 alkenyl, C 3-20 cycloalkyl,-OR a , -SR a , -O(C=O)R a , -R b O(C=O)R a or substituted or unsubstituted amino; and t represents an integer of 1 or more.

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