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:
Nov. 27, 2018
Filed:
Jun. 02, 2015
Nichia Corporation, Anan-shi, Tokushima, JP;
Takafumi Sugiyama, Yoshinogawa, JP;
NICHIA CORPORATION, Anan-Shi, JP;
Abstract
A light source device includes a light-emitting element; a base that includes a plurality of segment regions and that is controllable so that light from the light-emitting element sequentially enters the respective segment regions; a fluorescent member that is provided in at least one of the segment regions and that includes a fluorescent material that is excitable by light from the light-emitting element and configured to emit light with a different wavelength from the light emitted from the light-emitting element; and a filter that is provided so as to correspond to at least one of the fluorescent members, which is configured to transmit at least a part of light from the fluorescent material, and which is configured to transmit a part of light that is transmitted through the fluorescent member among the light from the light-emitting element.