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:
Oct. 07, 2003
Filed:
Dec. 16, 1999
Applicant:
Inventors:
Lisa Crisafulli Picciolo, Silver Spring, MD (US);
Hideyuki Murata, Alexandria, VA (US);
Zakya H. Kafafi, Alexandria, VA (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/900 ; H01J 1/62 ;
U.S. Cl.
CPC ...
B32B 1/900 ; H01J 1/62 ;
Abstract
Pentacene derivatives substituted with two or more aromatic, substituted aromatic, heteroaromatic, or substituted heteroaromatic groups are dopants for organic electroluminescent devices. When combined with host materials and incorporated into an organic light emitting devices, the pentacene derivatives are red emitters with narrow spectra.