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:
Feb. 17, 2015
Filed:
Oct. 03, 2012
Casio Computer Co., Ltd., Tokyo, JP;
Takeshi Miyazaki, Fussa, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Abstract
There is provided a light source unit comprising a first and second light sources, a luminescent light emitting device having a light emitting plate, a light source control device controlling the illumination of the light sources and driving of the light emitting plate, and a light guiding optical system guiding light from the light sources and luminescent light from the light emitting plate so that optical axes coincide to be directed in the same direction, wherein the light emitting plate includes a first area with a luminescent material layer on a reflection layer, a second area transmitting light from the light sources while diffusing it and a third area with a luminescent material layer on a dichroic layer, and wherein the light emitting plate includes a drive motor positioning repeatedly sequentially the first, second and third areas in an optical axis position of light from the light sources.