Coherent light generators – Particular beam control device – Nonlinear device
Reexamination Certificate
2007-11-26
2010-12-14
Van Roy, Tod T (Department: 2828)
Coherent light generators
Particular beam control device
Nonlinear device
C372S022000, C372S092000, C359S326000, C359S328000, C359S329000
Reexamination Certificate
active
07852885
ABSTRACT:
There are provided a light source device and an image display apparatus. The light source device includes a first optical element that deflects a propagation direction of laser beams, a second optical element that separates laser beams, and a third optical element that defects the laser beams separated by the second optical element. The light source device further includes a light emitting unit that has one or more light emitting element emitting laser beams, an external resonator that reflects laser beams toward the first optical element and guides laser beams back to the light emitting unit, and a wavelength converting element that converts laser beams.
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Egawa Akira
Takagi Kunihiko
Oliff & Berridg,e PLC
Roy Tod T Van
Seiko Epson Corporation
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