Laser projection display system
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United States of America Patent
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Jul 15, 2003
Grant Date -
Feb 27, 2003
app pub date -
Aug 27, 2001
filing date -
Aug 27, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A display apparatus, includes a laser light source for emitting a light beam; a beam expander for expanding the light beam; a spatial light modulator; beam shaping optics for shaping the expanded laser beam to provide uniform illumination of the spatial light modulator, the beam shaping optics including a fly's eye integrator having an array of lenslets; and a moving diffuser located in the laser beam between the laser light source and the spatial light modulator.
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