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:
Jun. 07, 2011
Filed:
Aug. 18, 2009
Jui-yi Tsai, Monroeville, PA (US);
Michael S. Barone, Pittsburgh, PA (US);
Arnold Tamayo, Glendale, CA (US);
Mark E. Thompson, Anaheim Hills, CA (US);
Jui-Yi Tsai, Monroeville, PA (US);
Michael S. Barone, Pittsburgh, PA (US);
Arnold Tamayo, Glendale, CA (US);
Mark E. Thompson, Anaheim Hills, CA (US);
The University of Southern California, Los Angeles, CA (US);
Universal Display Corporation, Ewing, NJ (US);
Abstract
A process for preparing a compound having the formula LIrL' is provided. The process comprises: combining and L′ in the presence of an organic solvent to form a mixture, wherein L is a suitable carbene ligand precursor coordinated to Ir; and L′ is a bidentate ligand or two monodentate ligands, and L is different from L′; Also provided is a process for preparing a compound having the formula The process comprises: A process for preparing a compound with the formula LIr is also provided. This process comprises combining and L in the presence of alcohol and a base to form a mixture, wherein L is a bidentate ligand that may form a five-membered chelate ring.