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. 27, 2010
Filed:
Aug. 02, 2006
Naoki Yamakawa, Takasaki, JP;
Kei Miyoshi, Annaka, JP;
Naoki Yamakawa, Takasaki, JP;
Kei Miyoshi, Annaka, JP;
Shin Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
An addition curable silicone resin composition for a light emitting diode is provided The composition includes an organopolysiloxane that includes a straight-chain segment represented by a formula:—(RSiO)—wherein, Ris an unsaturated aliphatic bonding-free monovalent hydrocarbon group, and n is an integer of 1 or greater, and a resin-like segment consisting of RSiOunits wherein, Ris a monovalent hydrocarbon group, an alkoxy group, or a hydroxyl group, SiOunits, and/or RSiOunits wherein, Ris as defined above, in which at least two of all the Rgroups are alkenyl groups. The composition exhibits strong resistance to thermal shock, and is resistant to cracking even under severe temperature cycling.