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:
Nov. 30, 2010
Filed:
Dec. 14, 2007
Applicants:
Shouquan Huo, Greenville, NC (US);
Joseph C. Deaton, Rochester, NY (US);
Inventors:
Shouquan Huo, Greenville, NC (US);
Joseph C. Deaton, Rochester, NY (US);
Assignee:
Global OLED Technology LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides an OLED device comprising a cathode, an anode, and having therebetween a layer containing an acridone compound including a diarylamine or carbazole substituent where the nitrogen of the acridone and the nitrogen of the diarylamine or carbazole are connected by an aromatic hydrocarbon linking group. OLED devices of the invention exhibit improved efficiency and drive voltage.