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:
Feb. 02, 2010
Filed:
Jan. 10, 2005
Applicants:
Robert Walters, Export, PA (US);
Peter B. Mackenzie, Murrysville, PA (US);
Mark E. Thompson, Anaheim Hills, CA (US);
Inventors:
Robert Walters, Export, PA (US);
Peter B. Mackenzie, Murrysville, PA (US);
Mark E. Thompson, Anaheim Hills, CA (US);
Assignees:
The University of Southern California, Los Angeles, CA (US);
Universal Display Corporation, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides organic light emitting devices (OLEDs) and materials with improved stability and efficiency when incorporated into an OLED. The materials include organometallic compounds having carbene atom/donor coordinated to a metal center. The compounds may be macrocyclic electrophosphors. The compounds may also include a macrocyclic ligand coordinated to a metal center.