INTEGRATED MICRODISPLAY PROJECTION AND IMAGING SYSTEM
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United States of America Patent
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Issued Date -
Nov 25, 2010
app pub date -
May 24, 2010
filing date -
May 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An integrated microdisplay projection and imaging system includes: a focus-adjustable lens system, a planar polarization beam splitter, a reflective polarization modulation imager and an imaging sensor with a post polarizer in orthogonal polarization orientation to the planar polarization beam splitter, as well as a lighting module. Placed on two separate sides of the planar polarization beam splitter, the reflective polarization modulation imager and the imaging sensor have substantially equal-length optical passes through the planar polarization beam splitter to the focus-adjustable lens system, and thus the focus-adjustable lens system provides a unified means for adjusting focus with both the reflective polarization modulation imager and the imaging sensor, relative to an external object such a projection screen or an imaging object.
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