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:
Jul. 22, 2008
Filed:
Dec. 07, 2004
Jennifer A. Coggan, Cambridge, CA;
Hany Aziz, Oakville, CA;
Timothy P. Bender, Port Credit, CA;
Nan-xing HU, Oakville, CA;
Jennifer A. Coggan, Cambridge, CA;
Hany Aziz, Oakville, CA;
Timothy P. Bender, Port Credit, CA;
Nan-Xing Hu, Oakville, CA;
LG. Philips LCD Co., Ltd., Seoul, KR;
Abstract
An organic electroluminescent device comprising an anode, an electroluminescent region, and a cathode. The luminescent region comprises a light-emitting material of Formula I wherein Ris independently selected from the group consisting of a hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, an amino group, an alkyl amino group, and an aryl amino group; Ris independently selected from the group consisting of hydrogen, a hetero atom, and an alkyl group; Ris independently selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a halogen atom, and a cyano group; and, Ris independently selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a halogen atom, and a cyano group.