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:
Aug. 29, 2006
Filed:
Sep. 22, 2003
Satoshi Suzuki, Tokyo-To, JP;
Satoshi Suzuki, Tokyo-To, JP;
Dai Nippon Printing Co. Ltd, Tokyo, JP;
Abstract
A polymeric fluorescent substance has a prolonged service life and high luminescence brightness. The substance also has excellent thermal stability and good practicality. The polymeric fluorescent substance is adapted for emission of visible fluorescence in a solid state, and includes at least one type of repeating units represented by a specified chemical formula (1). In addition, the substance has a number average molecular weight of 10to 10as determined using polystyrene as a standard. A process for producing the polymeric fluorescent substance, and an organic EL element using the polymeric fluorescent substance are also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile