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. 14, 2019
Filed:
Dec. 10, 2014
Oki Electric Industry Co., Ltd., Tokyo, JP;
Takashi Sano, Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
[Object] To reduce the influence on a visible light LED exerted by ultraviolet light applied by an ultraviolet light LED. [Solution] A linear light source including an ultraviolet light emitting diode (), a visible light emitting diode (), and a light guide (). The ultraviolet light emitting diode () and the visible light emitting diode () are disposed at least at one end in an optical axis direction of the light guide (), and are disposed with an optical axis shifted and by providing a level difference in the optical axis direction. Here, the ultraviolet light emitting diode () and the visible light emitting diode () are mounted on an inverted L-shaped heat sink (), and an ultraviolet light blocking filter () is disposed in front of the visible light emitting diode ().