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.

Date of Patent:
Apr. 28, 2020

Filed:

Aug. 08, 2018
Applicant:

Panasonic Intellectual Property Management Co. Ltd., Osaka, JP;

Inventor:

Takaaki Tanaka, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 27/14 (2006.01); G02B 27/12 (2006.01); G02B 5/04 (2006.01); G02B 27/48 (2006.01); G03B 33/12 (2006.01); G03B 21/00 (2006.01); G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/208 (2013.01); G02B 5/045 (2013.01); G02B 27/126 (2013.01); G02B 27/141 (2013.01); G02B 27/48 (2013.01); G03B 21/2013 (2013.01); G03B 21/2033 (2013.01); G03B 21/2066 (2013.01); G03B 33/12 (2013.01); G03B 21/006 (2013.01); G03B 21/008 (2013.01); G03B 21/16 (2013.01);
Abstract

The light source device according to the present disclosure includes: a solid-state light source that emits red light having a luminous flux; a solid-state light source that emits green light having a luminous flux; a solid-state light source that emits blue light having a luminous flux; a dichroic mirror that combines, into combined light, the red light, the green light, and the blue light having exited from the respective solid-state light sources; a dynamic diffusion plate on which the combined light having exited from the dichroic mirror is incident; and a luminous-flux splitting element that splits the luminous flux that having exited from the solid-state light sources for emitting at least one of the red light, the green light, and the blue light.


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