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:
Jul. 20, 2021
Filed:
Oct. 02, 2018
Casio Computer Co., Ltd, Tokyo, JP;
Takeshi Miyazaki, Fussa, JP;
CASIO COMPUTER CO., LTD, Tokyo, JP;
Abstract
A light source according to the present invention includes an excitation light source configured to emit excitation light, and a luminescent wheel including a base material, a fluorescent light emitting zone formed on one surface of the base material and configured to emit fluorescent light having a wavelength in a wavelength range which differs from that of the excitation light and a reflection zone disposed so as to be aligned with the fluorescent light emitting zone on the one side surface of the base material and configured to reflect the excitation light, and a shining position of the excitation light on the fluorescent light emitting zone and a shining position of the excitation light on the reflection zone differ from each other in relation to a radial direction of the luminescent wheel.