LIGHT SOURCE DEVICE AND PROJECTOR
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
May 17, 2012
filing date -
Oct 24, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A projector includes a projection lens set, a digital micro-mirror device (DMD), a prism unit, a light merging unit, a light guide unit, and a light source device. The light source device includes a laser light source and a color wheel. The laser light source is positioned in an optical path and generates a first light. The color wheel is positioned in the optical path. The first light irradiates the color wheel to generate second and third lights. The light merging unit merges the first, second, and third lights to generate a mixed light. The light guide unit guides the mixed light to the prism unit. The mixed light is refracted to the DMD via the prism unit, and the refracted mixed light is reflected to the projection lens set via the DMD.
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