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

IPC: C08G61/12 ,  H10K85/10

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.

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.