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:
Aug. 29, 2023
Filed:
Nov. 05, 2019
Applicants:
Feng-wen Yen, Taipei, TW;
Tsun-yuan Huang, Chiayi, TW;
Inventors:
Feng-Wen Yen, Taipei, TW;
Tsun-Yuan Huang, Chiayi, TW;
Assignee:
LUMINESCENCE TECHNOLOGY CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 209/88 (2006.01); C07F 15/00 (2006.01); C07C 257/18 (2006.01); C07D 217/26 (2006.01); C07D 213/78 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/81 (2023.01); H10K 50/82 (2023.01);
U.S. Cl.
CPC ...
C07F 15/0033 (2013.01); C07C 257/18 (2013.01); C07D 209/88 (2013.01); C07D 213/78 (2013.01); C07D 217/26 (2013.01); H10K 85/342 (2023.02); H10K 85/615 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02);
Abstract
A compound having a first ligand of the following is described. Ring A represents a monocyclic aromatic group or a polycyclic aromatic group. Ring B represents a polycyclic aromatic group. Z is a carbon. Z and the right N are coordinated to a metal to form a five-membered chelate ring. Rand Rindependently represent mono to a maximum possible number of substitutions, or no substitution.