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:
Apr. 20, 2004
Filed:
Apr. 20, 2000
Applicant:
Inventors:
Jan Willem Verhoeven, Koog aan de Zaan, NL;
Martinus Henricus Valentinus Werts, Amsterdam, NL;
Johannes Willem Hofstraat, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/314 ;
U.S. Cl.
CPC ...
H05B 3/314 ;
Abstract
Luminescent device containing a luminescent material comprising organic lanthanide complexes comprising organic ligands of which at least one organic ligand is an aromatic ketone comprising a substituted electron donor group. This material has improved luminescence properties, and may be used in electroluminescent devices.
Verhoeven, Jan. (2004). Luminescent device (U.S. Patent No. 6723454). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6723454
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile