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1. 发明公开

EP3904486A1 COMPOSITION FOR LUMINESCENT ELEMENT, AND LUMINESCENT ELEMENT CONTAINING SAME 审中-公开
公开(公告)号：EP3904486A1
公开(公告)日：2021-11-03
申请号：EP19902600.6
申请日：2019-12-06
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： SASADA, Toshiaki , MATSUMOTO, Ryuji
IPC分类号： C09K11/06 , H05B33/10 , H01L51/50
摘要： To provide a composition which is useful for production of a light emitting device of which initial deterioration is suppressed, and a light emitting device formed using the composition.
A composition for light emitting device containing a host material and a guest material blended therein, wherein the host material contains an aromatic compound having a condensed ring skeleton in which only three or more benzene rings are condensed, the guest material contains a compound having a heterocyclic group containing a carbon atom and at least one selected from the group consisting of a boron atom, a nitrogen atom, a phosphorus atom, an oxygen atom, a sulfur atom and a selenium atom in the ring, and the total amount of silicon atoms contained in the host material and silicon atoms contained in the guest material is over 0 ppm by mass and 28 ppm by mass or less with respect to the total amount of the host material and the guest material.

2. 发明公开

EP3691416A1 LIGHT-EMITTING DEVICE 审中-公开
公开(公告)号：EP3691416A1
公开(公告)日：2020-08-05
申请号：EP18860343.5
申请日：2018-09-19
申请人： Sumitomo Chemical Company Limited
发明人： SASADA, Toshiaki , ASADA, Kohei , INAKAZU, Shinichi , OHUCHI, Kazuei
IPC分类号： H05B33/12 , C08G61/10 , C09K11/06 , H01L51/50
摘要： A light emitting device having an anode, a cathode, a first organic layer and a second organic layer, wherein the first organic layer is a layer containing a metal complex represented by the formula (1), and the second organic layer is a layer containing a metal complex represented by the formula (2) and the like:

[M 1 represents an iridium atom and the like; n 1 represents an integer of 1 or more; n 2 represents an integer of 0 or more; Ring R 1A represents a triazole ring and the like; Ring R 2 represents an aromatic hydrocarbon ring and the like; E 1 , E 2 and E 11A to E 13A represent a nitrogen atom or a carbon atom; R 11A to R 13A represent a substituent and the like; A 1 -G 1 -A 2 represents a bidentate ligand. At least one of E 11A to E 13A is a nitrogen atom, and at least one of R 11A to R 13A bonding to the nitrogen atom is a group represented by the formula (Ar-1A).]

[Ring A represents an aromatic hydrocarbon ring and the like; R 2 represents a substituent and the like.]

[M 2 represents an iridium atom and the like; n 3 represents an integer of 1 or more; n 4 represents an integer of 0 or more; E L represents a carbon atom and the like; Ring L 1 represents a 6-membered aromatic hetero ring; Ring L 2 represents an aromatic hydrocarbon ring and the like; A 3 -G 2- A 4 represents a bidentate ligand.].

3. 发明公开

EP3478030A1 LIGHT EMITTING ELEMENT 审中-公开
公开(公告)号：EP3478030A1
公开(公告)日：2019-05-01
申请号：EP17815290.6
申请日：2017-06-16
申请人： Sumitomo Chemical Company, Limited
发明人： SASADA, Toshiaki , SAITO, Takakazu
IPC分类号： H05B33/12 , C09K11/06 , H01L51/50
摘要： To provide a light emitting device excellent in the external quantum efficiency.
A light emitting device comprising an anode, a cathode, a first organic layer disposed between the anode and the cathode and a second organic layer disposed between the anode and the cathode, wherein the first organic layer is a layer containing a fluorescent low-molecular weight compound, and the second organic layer is a layer containing a crosslinked body of a cross-linkable polymer compound containing a constitutional unit having a group obtained by removing from a metal complex represented by the formula (1) a part or all of hydrogen atoms bonding directly to carbon atoms or hetero atoms constituting the metal complex, a cross-linkable constitutional unit having a cross-linkable group, and an aromatic amine constitutional unit:

[wherein, M represents a palladium atom or the like. n 1 represents an integer of 1 or more, and n 2 represents an integer of 0 or more. E 1 and E 2 represent a carbon atom and the like. Ring L 1 represents an aromatic hetero ring, and Ring L 2 represents an aromatic hydrocarbon ring or an aromatic hetero ring. A 1 -G 1 -A 2 represents an anionic bidentate ligand.].

4. 发明公开

EP3410828A1 METHOD FOR PRODUCING FILM 有权
公开(公告)号：EP3410828A1
公开(公告)日：2018-12-05
申请号：EP17744058.3
申请日：2017-01-19
申请人： Sumitomo Chemical Company Limited
发明人： KOBAYASHI, Satoshi , ANRYU, Makoto , SHIRASAKI, Mika , HAYASAKA, Hiroyuki , SASADA, Toshiaki
IPC分类号： H05B33/10 , H01L51/50
CPC分类号： H01L51/50 , H05B33/10
摘要： Provided is a method of producing a film excellent in external quantum efficiency when used in a light emitting layer of a light emitting device.
A film production method comprising
an ink preparation step of preparing an ink comprising a specific metal complex,
an ink storage step of storing the ink prepared in the ink preparation step for 3 days or more under light shielding, and
a film formation step of forming a film by an application method using the ink stored in the ink storage step and in which the total content of metal complexes having a molecular weight larger by 16, 32 or 48 than that of the specific metal complex according to the area percentage value determined by liquid chromatography is 0.6 or less when the content of the specific metal complex according to the area percentage value determined by liquid chromatography is taken as 100.

5. 发明公开

EP3343658A1 COMPOSITION AND LIGHT-EMITTING ELEMENT IN WHICH SAME IS USED 有权
公开(公告)号：EP3343658A1
公开(公告)日：2018-07-04
申请号：EP16841645.1
申请日：2016-08-25
申请人： Sumitomo Chemical Company Limited
发明人： SASADA, Toshiaki , KURAGANO, Takashi , TUBATA, Yoshiaki , ANRYU, Makoto , SAITO, Takakazu
IPC分类号： H01L51/50 , C07C13/567 , C07C25/22 , C08L65/00 , C09K11/06
CPC分类号： C07C13/567 , C07C25/22 , C08L65/00 , C09K11/06 , H01L51/50
摘要： Provided is a composition which is useful for production of a light emitting device excellent in light emission efficiency.
A composition comprising a compound represented by the formula (1) and a phosphorescent compound:

wherein R 1 and R 2 each independently represent a substituent, n 1 represents an integer of 1 to 14, and Ar 1 represents an arylene group or a divalent heterocyclic group, and at least one of one or more groups Ar 1 is a group represented by the formula (1-A) :

wherein R 1A to R 8A each independently represent a connecting bond, a hydrogen atom or a substituent, and one of R 1A to R 4A is a connecting bond, and one of R 5A to R 8A is a connecting bond, R 91A represents a substituent, and R 92A represents an aryl group or a monovalent heterocyclic group.

6. 发明公开

EP3133660A1 COMPOSITION AND LIGHT-EMITTING ELEMENT USING SAME 有权转让
标题翻译：组合物和使用该组合物的发光元件
公开(公告)号：EP3133660A1
公开(公告)日：2017-02-22
申请号：EP15780028.5
申请日：2015-03-30
申请人： Sumitomo Chemical Company Limited
发明人： SASADA, Toshiaki , ANRYU, Makoto , YOKOYA, Seiichirou , ASADA, Kohei
IPC分类号： H01L51/50 , C08K5/56 , C08L65/00 , C09K11/06 , H05B33/10 , C07F15/00
CPC分类号： H01L51/0043 , C07F5/025 , C07F15/0033 , C08G61/12 , C08G61/122 , C08G2261/124 , C08G2261/135 , C08G2261/1414 , C08G2261/1424 , C08G2261/1426 , C08G2261/148 , C08G2261/312 , C08G2261/314 , C08G2261/3142 , C08G2261/3162 , C08G2261/3221 , C08G2261/411 , C08G2261/512 , C08G2261/514 , C08G2261/5242 , C08G2261/76 , C08G2261/95 , C08L65/00 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1044 , C09K2211/1059 , C09K2211/185 , H01L51/0035 , H01L51/0039 , H01L51/0085 , H01L51/5016 , H01L51/5056
摘要： A composition comprising a phosphorescent compound having an emission spectrum the maximum peak wavelength of which is between 380 nm or more and less than 495 nm, having no dendron and represented by the formula (1'), two or more phosphorescent compounds having an emission spectrum the maximum peak wavelength of which is between 495 nm or more and less than 750 nm and having a dendron, and a specific compound:

wherein M represents an iridium atom or the like, n 1 represents an integer of 1 or more, n 2 represents an integer of 0 or more, E 1 and E 2 represent a carbon atom or the like, the ring R 1' represents a diazole ring, the ring R 2 represents a 6-membered aromatic hydrocarbon ring or the like, and A 1 -G 1 -A 2 represents an anionic bidentate ligand.
摘要翻译：一种组合物，其包含具有发射光谱的磷光化合物，所述磷光化合物具有最大峰值波长在380nm以上且小于495nm之间的发射光谱，不具有树枝状分子且由式（1'）表示，具有发射光谱的两种或更多种磷光化合物其最大峰值波长在495nm以上且小于750nm之间且具有树枝状大分子，并且具体化合物：其中M表示铱原子等，n1表示1或更大的整数，n2表示整数为0以上时，E1和E2表示碳原子等，环R1'表示二唑环，环R2表示6元芳族烃环等，并且A1-G1-A2表示阴离子二齿酸配体。

7. 发明公开

EP4220746A1 LIGHT EMITTING ELEMENT AND COMPOSITION 审中-实审
公开(公告)号：EP4220746A1
公开(公告)日：2023-08-02
申请号：EP21872228.8
申请日：2021-09-13
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： SASADA, Toshiaki , ASANO, Atsushi
IPC分类号： H01L51/50 , C09K11/06
摘要： To provide a light emitting device excellent in light emission efficiency.
A light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode, in which the first layer is a layer containing at least one compound (A-1) selected from compounds represented by the formula (T-1), and the second layer is a layer containing at least one compound (A-2) selected from compounds represented by the formula (T-1), and a cross-linked body of a compound having a cross-linkable group:

[wherein, n T1 represents an integer of 0 or more. n T2 represents an integer of 0 or more. Ar T1 represents an aryl group or the like. L T1 represents a divalent group. Ar T2 represents a group obtained by removing from a heterocyclic compound containing a group represented by =N- in the ring n T2 or more hydrogen atoms bonding directly to atoms constituting the ring].

8. 发明公开

EP4219469A1 LIGHT-EMITTING ELEMENT AND COMPOSITION 审中-实审
公开(公告)号：EP4219469A1
公开(公告)日：2023-08-02
申请号：EP21872232.0
申请日：2021-09-13
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： SASADA, Toshiaki , ASANO, Atsushi
IPC分类号： C07D403/04 , C08G61/02 , C09K11/06 , C07D251/24 , H05B33/12 , H01L51/50
摘要： To provide a light emitting device excellent in maximum light emission efficiency.
A light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode, in which the first layer is a layer containing at least one compound (B-1) selected from compounds represented by the formula (B), the second layer is a layer containing at least one compound (B-2) selected from compounds represented by the formula (B), and a crosslinked body of a compound having a cross-linkable group, and at least one of the compound (B-1) and the compound (B-2) is a compound represented by the formula (B) in which n B1 is 1 or more.

9. 发明公开

EP4219467A1 LIGHT-EMITTING ELEMENT AND COMPOSITION 审中-实审
公开(公告)号：EP4219467A1
公开(公告)日：2023-08-02
申请号：EP21872230.4
申请日：2021-09-13
申请人： SUMITOMO CHEMICAL COMPANY, LIMITED
发明人： SASADA, Toshiaki , ASANO, Atsushi
IPC分类号： C07D403/04 , C08G61/02 , C09K11/06 , H05B33/12 , H01L51/50
摘要： To provide a light emitting device excellent in light emission efficiency.
A light emitting device having an anode and a cathode, and a first layer and a second layer disposed between the anode and the cathode, in which the first layer is a layer containing at least one compound (A-1) selected from compounds T satisfying at least one of a requirement (i) and a requirement (ii), and a requirement (iii), and the second layer is a layer containing at least one compound (A-2) selected from compounds T satisfying at least one of a requirement (i) and a requirement (ii), and a requirement (iii), and a crosslinked body of a compound having a crosslinkable group.
(i) the absolute value of a difference between the energy level of the lowest triplet excited state and the energy level of the lowest singlet excited state is 0.25 eV or less
(ii) a compound represented by the formula (T-1)
(iii) having no transition metal in the molecule

10. 发明公开

EP3950883A1 LIGHT-EMITTING ELEMENT AND MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR LIGHT-EMITTING ELEMENT AND PRODUCTION METHOD THEREFOR 审中-公开
公开(公告)号：EP3950883A1
公开(公告)日：2022-02-09
申请号：EP20784855.7
申请日：2020-03-16
申请人： SUMITOMO CHEMICAL COMPANY LIMITED
发明人： SASADA, Toshiaki , MATSUMOTO, Ryuji
IPC分类号： C09K11/06 , H05B33/10 , H01L51/50
摘要： To provide a composition which is useful for producing a light emitting device excellent in external quantum efficiency, and to provide a light emitting device containing the composition.
A light emitting device comprising an anode, a cathode, and an organic layer disposed between the anode and the cathode and containing a composition for light emitting device, wherein the composition for light emitting device contains two or more compounds (B) having a condensed hetero ring skeleton (b) containing a boron atom and a nitrogen atom in the ring, and the compound (B) contains a compound (B1) and a compound (B2) satisfying at least one of the formula (M-1) and the formula (M-2). EB 1 EB 2 M − 1 AB 1 AB 2 M − 2

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