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. 15, 2018
Filed:
Sep. 10, 2014
Soko Kagaku. Co., Ltd., Ishikawa, JP;
Kiho Yamada, Aichi, JP;
Shoko Nagai, Aichi, JP;
Yuta Furusawa, Aichi, JP;
Akira Hirano, Aichi, JP;
Masamichi Ippommatsu, Aichi, JP;
SOKO KAGAKU CO., LTD., Ishikawa, JP;
Abstract
An ultraviolet light emitting device having high quality and high reliability is provided by preventing deterioration of electrical characteristics which is associated with an ultraviolet light emission operation and caused by a sealing resin. The ultraviolet light emitting device is an ultraviolet light emitting device including: an ultraviolet light emitting element () composed of a nitride semiconductor; and an ultraviolet-transparent sealing resin () covering the ultraviolet light emitting element (), wherein at least a specific portion () of the sealing resin (), which is in contact with pad electrodes () and () of the ultraviolet light emitting element (), is a first type amorphous fluororesin, a terminal functional group of a polymer or a copolymer that forms the first type amorphous fluororesin is a COOH group or a COOR group which is a reactive terminal functional group bondable to a metal that forms the pad electrodes () and (), and a light emission wavelength range in the ultraviolet light emitting element () exists on a longer-wavelength side as compared to the long-wavelength edge of an absorption wavelength range in the amorphous fluororesin.