LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
May 29, 2013
filing date -
May 30, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light source device and an image display apparatus include a Blue Laser Diode (B-LD) light source unit, a dichroic mirror to reflect substantially collimated Blue (B) light from the B-LD light source unit, a lens to focus the B light reflected by the dichroic mirror, and a color wheel comprising a Green (G) fluorescent section which is excited by the collimated B light to emit and to reflect G light and a B mirror reflector to mirror-reflect the B light, wherein a center of a light flux of the B light reflected by the dichroic mirror is on other than an optical axis of the lens.
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