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. 04, 2004
Filed:
Jan. 23, 2003
Applicant:
Inventors:
Akira Mabuchi, Aichi-ken, JP;
Masato Kawamura, Aichi-ken, JP;
Kanae Matsumura, Aichi-ken, JP;
Takemasa Yasukawa, Aichi-ken, JP;
Assignee:
Toyoda Gosei Co., Ltd., Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/924 ;
U.S. Cl.
CPC ...
H01L 2/924 ;
Abstract
A sealing member for a short-wavelength light emitting element comprises a main agent and a curing agent. The main agent comprises a first component of an alicyclic epoxy produced by hydrogenating an aromatic epoxy, preferably a bisphenol A epoxy, and a second component of an alicyclic epoxy having a lower molecular weight than the first component. The mixing amount of the second component is not less than 10% by weight and less than 30% by weight based on the main agent.