Display system for higher grayscale with a varying light source
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jun 2, 2011
app pub date -
Sep 10, 2010
filing date -
Aug 16, 2007
priority date (Note) -
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Abstract
The present invention provides a projection apparatus that includes:
- at least one spatial light modulator (SLM) and at least one variable light source and at least one control unit controlling said SLM and/or said light source and said SLM has a minimum controllable time period and said control unit controls said SLM providing said minimum controllable time periods of the modulation of said SLM at least twice in a frame period and said control unit controls said light source during said minimum controllable time periods.
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