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1.
公开(公告)号:US12173114B2
公开(公告)日:2024-12-24
申请号:US17559388
申请日:2021-12-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Norihito Ishii , Takahiro Fujiyama , Masashi Tsuji , Naotoshi Suganuma , Yusaku Konishi , Dae Young Chung , Eun Joo Jang , Ha Il Kwon , Hyo Sook Jang , Soonmin Cha , Tae Ho Kim , Fumiaki Kato
Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.
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2.
公开(公告)号:US11939422B2
公开(公告)日:2024-03-26
申请号:US17544028
申请日:2021-12-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Masashi Tsuji , Fumiaki Kato , Naotoshi Suganuma , Takahiro Fujiyama , Yusaku Konishi , Dae Young Chung , Ha Il Kwon , Soonmin Cha , Tae Ho Kim
IPC: C08G61/12 , B82Y20/00 , H10K50/11 , H10K50/115 , H10K50/15 , H10K71/00 , H10K71/12 , H10K85/10 , H10K101/30 , H10K101/40 , H10K102/00
CPC classification number: 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
Abstract: 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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