The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 2023
Filed:
Jun. 10, 2015
Applicant:
Sfc Co., Ltd., Cheongju, KR;
Inventors:
Soon-Wook Cha, Goyang, KR;
Ju-Man Song, Mokpo, KR;
Yu-Rim Lee, Chuncheon, KR;
Sang-Woo Park, Seoul, KR;
Hee-Dae Kim, Miryang, KR;
Seok-Bae Park, Geumsan-gun, KR;
Assignee:
SFC CO., LTD., Cheongju, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C09K 11/06 (2006.01); C07D 307/91 (2006.01); H10K 50/00 (2023.01); H10K 85/40 (2023.01); C07C 211/61 (2006.01); C07D 209/96 (2006.01); C07D 307/77 (2006.01); C07D 493/10 (2006.01); C07D 495/10 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); C07C 211/61 (2013.01); C07D 209/96 (2013.01); C07D 307/77 (2013.01); C07D 307/91 (2013.01); C07D 493/10 (2013.01); C07D 495/10 (2013.01); C07F 7/0812 (2013.01); C09K 11/06 (2013.01); H10K 50/00 (2023.02); H10K 85/40 (2023.02); H10K 85/633 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/1092 (2013.01); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02);
Abstract
The present invention relates to a condensed fluorene derivative comprising a hetero ring, and, more specifically, relates to an intermediate for producing a hetero-ring compound able to exhibit the outstanding element characteristic of a long life and outstanding luminance and light-emission efficiency when used as an organic light-emitting material.