Projector
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United States of America Patent
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Issued Date -
Jul 7, 2016
app pub date -
Dec 29, 2015
filing date -
Jan 7, 2015
priority date (Note) -
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Abstract
A projector includes a light source, a digital micro-mirror device (DMD), a lens, a first prism, and a second prism. The light source is used for emitting an incident light. The DMD has a first side and a second side. The DMD is used for receiving and reflecting the incident light as an image light. The lens is used for receiving the image light. The first prism is disposed between the light source and the DMD, including a first plane facing the light source for receiving the incident light, a second plane adjoining the first plane for reflecting the incident light to the DMD, and a third plane paralleled to the DMD. The second prism is disposed between the first prism and the lens, including a fourth plane paralleled to the second plane, and a fifth plane adjoined the fourth plane and facing the lens.
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