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:
Oct. 04, 2022
Filed:
Jul. 04, 2018
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Yoshiro Yamaha, Tokyo, JP;
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Abstract
The object of the present invention is to provide an ultraviolet-emitting device which achieves suppresses deterioration, and prolonged life of the components used in a light-emitting device while monitoring a light emitting state of the light-emitting element and maintaining an emission intensity. The ultraviolet-emitting device is provided with a light-emitting element configured to emit an ultraviolet ray, a mounting board on which the light-emitting element is placed, and a fluorescent glass element placed at a position irradiated with the ultraviolet ray emitted by the light-emitting element, and placed in a through hole formed through the mounting board, emitting fluorescence in a visible range by excitation of an ultraviolet ray.