OPTICAL SYSTEMS
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United States of America Patent
Stats
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N/A
Issued Date -
Jul 1, 2010
app pub date -
Mar 28, 2008
filing date -
Mar 30, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A holographic head up display (HUD) for a vehicle to display an image holographically on a curved display surface such as a windshield is disclosed. The HUD can include a spatial light modulator (SLM) to display a hologram, an illumination system to illuminate said displayed hologram, projection optics to project light from said hologram onto said display surface to form said image, and a processor configured to process said image data to generate hologram data for display on the SLM to form said image. The HUD can further include a non-volatile data memory coupled to said processor to store wavefront correction data for said display surface, and the processor can be configured to apply a wavefront correction responsive to said stored wavefront correction data when generating the hologram data to correct the image for aberration due to a shape of said display surface.
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