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:
Sep. 07, 2021
Filed:
Aug. 20, 2019
Casio Computer Co., Ltd., Tokyo, JP;
Osamu Umamine, Fussa, JP;
CASIO COMPUTER CO., LTD, Tokyo, JP;
Abstract
A light source unit of the invention includes a first light source configured to emit light in a first wavelength range and a wheel in which a first transmitting area is formed, the first transmitting area being configured to transmit light in the first wavelength range incident from a side facing a first surface of the wheel, and the first transmitting area contains a first luminescent material configured to emit first luminescent light including at least a wavelength range of light in the first wavelength range by light in a second wavelength range whose wavelength range differs from that of light in the first wavelength range being shined from a side facing a second surface of the wheel, the second surface being opposite to the first surface.