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:
Sep. 30, 2003
Filed:
Mar. 06, 2001
Applicant:
Inventors:
Sally Ann Swanson, San Jose, CA (US);
Gregory Michael Wallraff, Morgan Hill, CA (US);
Assignee:
International Business Machines Corp., Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/106 ; C07D / ; H05B 3/314 ;
U.S. Cl.
CPC ...
C09K 1/106 ; C07D / ; H05B 3/314 ;
Abstract
An organic light emitting display is provided which comprises as an emitting layer a fluorescent dye having at least one amine moiety substituted with two aryl groups. Also provided are new fluorescent compounds having N-aryl substituents which exhibit reduced pH sensitivity and enhanced stability to protonation.
Swanson, Sally. (2003). Organic light emitting displays and new fluorescent compounds (U.S. Patent No. 6627111). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6627111
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile