PROJECTION DEVICE
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Apr 29, 2013
filing date -
Oct 12, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The disclosure provides a projection device, including an image source, a light-splitting module, and an imaging lens. The image source provides an image beam. The image beam includes a plurality of sub-image beams respectively emitted from a plurality of image areas of the image sources. The light-splitting module has at least one total reflection plane totally reflecting at least one sub-image beam of the sub-image beams and allowing at least another sub-image beam of the sub-image beams to transmit therethrough. The imaging lens includes a rear refractive-element group and a front refractive-element group. The rear and front refractive-element groups are configured on a transmission path of the image beam, and the light-splitting module is configured between the rear and front refractive-element groups.
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