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公开(公告)号：US20230126748A1
公开(公告)日：2023-04-27
申请号：US17899771
申请日：2022-08-31
发明人： Masashi TSUJI , Norihito ISHII , Takahiro FUJIYAMA , Naotoshi SUGANUMA , Yusaku KONISHI , Fumiaki KATO
摘要： As a means for providing an electroluminescent device capable of achieving high luminance, high efficiency, and at the same time excellent device life-span, a polymer having an overlap index of greater than or equal to about 0.00001 and less than or equal to about 1.8, and a polymer including a structural unit represented by Chemical Formula (1) are provided:
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2.发明申请公开(公告)号：US20180182968A1
公开(公告)日：2018-06-28
申请号：US15855135
申请日：2017-12-27
CPC分类号： H01L51/0039 , C08G61/12 , C08G61/124 , C08G2261/12 , C08G2261/135 , C08G2261/1414 , C08G2261/148 , C08G2261/312 , C08G2261/3142 , C08G2261/3162 , C08G2261/3241 , C08G2261/76 , C08G2261/95 , H01L51/0035 , H01L51/0043 , H01L51/5016 , H01L51/5056 , H01L51/5088
摘要： A polymer compound including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 3: wherein in Formulae 1 and 3, groups and variables are the same as described in the specification.
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3.发明公开公开(公告)号：US20240158566A1
公开(公告)日：2024-05-16
申请号：US18486624
申请日：2023-10-13
发明人： Fumiaki KATO , Ha Il KWON , Soonmin CHA , Naotoshi SUGANUMA , Yusaku KONISHI , Norihito ISHII , Takahiro FUJIYAMA , Masashi TSUJI
CPC分类号： C08G61/12 , H10K85/115 , H10K85/151 , H10K50/15
摘要： A polymer compound for use in an electroluminescent device may improve the durability (particularly the luminescence lifespan). The polymer compound includes Structural Unit (A) represented by Chemical Formula (1).
In Chemical Formula (1), the definition of each substituent is as described in the detailed description.-
4.发明申请公开(公告)号：US20220177642A1
公开(公告)日：2022-06-09
申请号：US17544028
申请日：2021-12-07
发明人： Masashi TSUJI , Fumiaki KATO , Naotoshi SUGANUMA , Takahiro FUJIYAMA , Yusaku KONISHI , Dae Young CHUNG , Ha Il KWON , Soonmin CHA , Tae Ho KIM
摘要： A copolymer including a structural unit represented by Chemical Formula 1 wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.
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5.发明申请公开(公告)号：US20220077394A1
公开(公告)日：2022-03-10
申请号：US17470884
申请日：2021-09-09
发明人： Fumiaki KATO , Masashi TSUJI , Takao MOTOYAMA , Yusaku KONISHI , Keigo FURUTA , Takahiro FUJIYAMA , Tae Ho KIM , Won Sik YOON , Ha Il KWON , Dae Young CHUNG , Eun Joo JANG
摘要： A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device. In Chemical Formula 1, the definition of each substituent is as described in the detailed description.
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公开(公告)号：US20200212306A1
公开(公告)日：2020-07-02
申请号：US16729646
申请日：2019-12-30
发明人： Yusaku KONISHI , Takahiro FUJIYAMA , Fumiaki KATO , Keigo FURUTA , Kiyohiko TSUTSUMI , Masashi TSUJI , Takao MOTOYAMA
IPC分类号： H01L51/00
摘要： A device having design film thicknesses, to suppress non-uniformity of a light emitting surface, to provide a quantum dot electroluminescence device with good luminous efficiency and light emitting life-span, and to provide an excellent quantum dot electroluminescence device with luminous efficiency and light emitting life-span. A quantum dot electroluminescence device including a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer, wherein the hole transport layer includes a polymer material and a low molecular material, the light emitting layer includes a quantum dot having a core-shell structure, and a residual film ratio of the hole transport layer is greater than or equal to about 95%.
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公开(公告)号：US20240247104A1
公开(公告)日：2024-07-25
申请号：US18530783
申请日：2023-12-06
发明人： Fumiaki KATO , Masashi TSUJI , Norihito ISHII , Takahiro FUJIYAMA , Naotoshi SUGANUMA , Yusaku KONISHI , Ha Il KWON , Won Sik YOON
CPC分类号： C08G73/02 , H10K50/15 , H10K71/10 , H10K85/111 , H10K85/615 , H10K85/631 , H10K85/6572
摘要： A polymer compound including a structural unit represented by formula (1), and at least one of structural units represented by formula (2), formula (3), or formula (4), and a composition, an organic membrane, and an electroluminescence device including the polymer compound, and a method or producing the electroluminescence device are provided:
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8.发明公开公开(公告)号：US20240247098A1
公开(公告)日：2024-07-25
申请号：US18614926
申请日：2024-03-25
发明人： Masashi TSUJI , Fumiaki KATO , Naotoshi SUGANUMA , Takahiro FUJIYAMA , Yusaku KONISHI , Dae Young CHUNG , Ha Il KWON , Soonmin CHA , Tae Ho KIM
IPC分类号： C08G61/12 , B82Y20/00 , H10K50/11 , H10K50/115 , H10K50/15 , H10K71/00 , H10K71/12 , H10K85/10 , H10K101/30 , H10K101/40 , H10K102/00
CPC分类号： C08G61/124 , H10K71/12 , H10K85/111 , H10K85/151 , B82Y20/00 , C08G2261/12 , C08G2261/1434 , C08G2261/148 , C08G2261/149 , C08G2261/3241 , C08G2261/512 , C08G2261/5222 , H10K50/11 , H10K50/115 , H10K50/15 , H10K71/00 , H10K2101/30 , H10K2101/40 , H10K2102/00
摘要： A copolymer including a structural unit represented by Chemical Formula 1
wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.-
公开(公告)号：US20240114765A1
公开(公告)日：2024-04-04
申请号：US18128470
申请日：2023-03-30
发明人： Yusaku KONISHI , Takahiro FUJIYAMA , Fumiaki KATO , Keigo FURUTA , Kiyohiko TSUTSUMI , Masashi TSUJI , Takao MOTOYAMA
IPC分类号： H10K85/10
CPC分类号： H10K85/151 , H10K50/15
摘要： A device having design film thicknesses, to suppress non-uniformity of a light emitting surface, to provide a quantum dot electroluminescence device with good luminous efficiency and light emitting life-span, and to provide an excellent quantum dot electroluminescence device with luminous efficiency and light emitting life-span. A quantum dot electroluminescence device including a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer, wherein the hole transport layer includes a polymer material and a low molecular material, the light emitting layer includes a quantum dot having a core-shell structure, and a residual film ratio of the hole transport layer is greater than or equal to about 95%.
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10.发明公开公开(公告)号：US20230212335A1
公开(公告)日：2023-07-06
申请号：US18150672
申请日：2023-01-05
发明人： Norihito ISHII , Fumiaki KATO , Masashi TSUJI , Naotoshi SUGANUMA , Takahiro FUJIYAMA , Yusaku KONISHI , Eun Joo JANG , Ha Il KWON , Hyo Sook JANG , Soonmin CHA , Tae Ho KIM , Wonsik YOON , Yuho WON
CPC分类号： C08F26/12 , H10K50/15 , H10K50/17 , H10K85/146
摘要： As a technology capable of improving the durability of an electroluminescent device, for example, luminescence lifespan, a polymeric compound including a structural unit represented by Chemical Formula 1, or a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and an electroluminescent device material or electroluminescent device including the same are provided:
In Chemical Formula 1 and Chemical Formula 2, R11 to R14 are not the same as R41 to R44.
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