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:
Mar. 04, 2008
Filed:
Mar. 24, 2004
Mark E. Thompson, Anaheim, CA (US);
Arnold Tamayo, Glendale, CA (US);
Peter Djurovich, Los Angeles, CA (US);
Mark E. Thompson, Anaheim, CA (US);
Arnold Tamayo, Glendale, CA (US);
Peter Djurovich, Los Angeles, CA (US);
The University of Southern California, Los Angeles, CA (US);
Abstract
An organic light emitting device is provided, having an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer may include the following compound: wherein The emissive layer may also include a compound having a metal bonded to at least two ligands, in which one ligand has a triplet energy corresponding to a wavelength that is at least 80 nm greater than the wavelength corresponding to the triplet energy of other ligands. Each ligand may be organometallic.