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:
Apr. 18, 2006
Filed:
Jun. 15, 2004
Hisamitsu Takahashi, Mobara, JP;
Shigeru Hieda, Mobara, JP;
Yoshihisa Tsuruoka, Mobara, JP;
Satoshi Tanaka, Mobara, JP;
Hisamitsu Takahashi, Mobara, JP;
Shigeru Hieda, Mobara, JP;
Yoshihisa Tsuruoka, Mobara, JP;
Satoshi Tanaka, Mobara, JP;
Futaba Corporation, Chiba-ken, JP;
Abstract
A water-capturing agent capable of inhibiting the generation and growth of a darkspot and an organic EL device including the water-capturing agent are provided. The organic EL device uses the water-capturing agent comprising a compound illustrated by the chemical structural formula (1);wherein R and R' are independently a substituent selected from the group consisting of an alkyl group, aryl group, cycloalkyl group, alkoxy group, acyl group and heterocyclic group having an unsaturated bond and one or more of a hydrogen atom and a carbon atom, or a substituent formed by substituting at least one of a hydrogen atom of said group with a halogen atom, and a central atom M is a metal having coordination number of six.