HEAD UP DISPLAY APPARATUS AND DISPLAY SURFACE THEREFOR
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United States of America Patent
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Feb 26, 2016
filing date -
Feb 27, 2015
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Abstract
One embodiment of the invention provides a head up display (HUD) apparatus for a vehicle, comprising a display surface, and a light source including one or more narrow band emitters for directing light towards the display surface and forming an image. At least part of the display surface is selectively more reflective at wavelengths corresponding to wavelengths of light emitted by the one or more narrow band emitters for a given angle of incidence relative to other wavelengths in the visible part of the spectrum at the same angle of incidence.
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Family
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