Patent ID: 11874592
Assignee: RICOH COMPANY, LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 13:
14. A light source device comprising:
a first light source to emit first color light;
a second light source to emit second color light;
a wavelength converter to convert at least a portion of the first color light into a third color light;
a light incident element to which the first color light, the second color light, and the third color light enter;
a first filter to reflect the first color light toward the wavelength converter; and
a second filter to reflect the second color light toward the light incident element,
the first filter and the second filter separately disposed on an optical path of the third color light between the wavelength converter and the light incident element,
wherein the first filter and the second filter are arranged to prevent any portion of the third color light from passing through both the first filter and the second filter.