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:
May. 24, 2005
Filed:
Sep. 11, 2003
Applicants:
Hisamitsu Takahashi, Chiba, JP;
Shigeru Hieda, Chiba, JP;
Yoshihisa Tsuruoka, Chiba, JP;
Satoshi Tanaka, Chiba, JP;
Inventors:
Hisamitsu Takahashi, Chiba, JP;
Shigeru Hieda, Chiba, JP;
Yoshihisa Tsuruoka, Chiba, JP;
Satoshi Tanaka, Chiba, JP;
Assignee:
Futaba Corporation, Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F005/10 ; H05B033/00 ;
U.S. Cl.
CPC ...
Abstract
A novel water-scavenging agent of the present invention comprising a compound of formula (I) as a primary component can be dissolved in a polar solvent and coated by a screen printing method, and the inventive organic EL device comprising same can maintain stable luminescent characteristics for a prolonged time:wherein,