Light source device, image display device, and monitor device

Details Light source device, image display device, and monitor device Light source device, image display device, and monitor device

2008-08-12

2011-11-15

Ko, Tony (Department: 2878)

Optics: image projectors

Lamp control

C353S122000, C372S023000

Reexamination Certificate

active

08057051

ABSTRACT:
A light source device includes a plurality of light emitting elements for emitting light beams, a resonant mirror functioning as a resonator for selectively reflecting the light beams emitted respectively from the light emitting elements, towards the light emitting elements, a wavelength selection element disposed on light paths between the light emitting elements and the resonant mirror, having a plurality of light selection areas for executing selection respectively on the light beams emitted respectively from the light emitting elements, transmitting light beams each having a part of a wavelength band of corresponding one of the light beams emitted respectively from the light emitting elements, and having a narrower width of a wavelength band of the light beam to be transmitted than a width of wavelength band of the light beam to be reflected by the resonant mirror, and a state changing section that changes a state of the plurality of light selection areas, and the state changing section changes the state of the light selection areas so that wavelengths of the light beams selected respectively by the light selection areas become different from each other.

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