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:
Jul. 28, 2020
Filed:
Jun. 20, 2016
Applicant:
Ecole Polytechnique Federale DE Lausanne (Epfl), Lausanne, CH;
Inventors:
Michael Saliba, Lausanne, CH;
Mohammad Khaja Nazeeruddin, Ecublens, CH;
Michael Graetzel, St-Sulpice, CH;
Klaus-Hermann Dahmen, Marietta, GA (US);
Gianluca Pozzi, Almenno San Salvatore, IT;
Simonetta Orlandi, Milan, IT;
Assignee:
Ecole Polytechnique Federale de Lausanne (EPFL), Lausanne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/00 (2006.01); H01L 51/00 (2006.01); H01L 51/42 (2006.01); C07D 495/10 (2006.01); H01B 1/12 (2006.01); C07D 495/22 (2006.01); H01G 9/20 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0061 (2013.01); C07D 495/10 (2013.01); C07D 495/22 (2013.01); H01B 1/121 (2013.01); H01G 9/2059 (2013.01); H01L 51/0032 (2013.01); H01L 51/0074 (2013.01); H01L 51/0077 (2013.01); H01L 51/4226 (2013.01); H01G 9/2031 (2013.01); H01L 51/5004 (2013.01); H01L 51/5056 (2013.01); H01L 2251/552 (2013.01); Y02E 10/549 (2013.01);
Abstract
The present invention relates to a compound of formula (I) based on a structure including functionalized spirofluorene and fused aromatics or non-aromatic rings with at least one heteroatom, and used as hole transporting material in a optoelectronic and/or photoelectrochemical device.