Method and apparatus for front-lit semi-retro-reflective display
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United States of America Patent
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Apr 4, 2017
Grant Date -
May 28, 2015
app pub date -
Sep 29, 2014
filing date -
Sep 30, 2013
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Abstract
The disclosure generally relates to a front-lit display having transparent and selectively emissive light directionality. The disclosed semi-retro-reflective, semi-specular and specular displays include directional front light systems that reflect light in a manner to preserve the non-Lambertian characteristic of the light output. This leads to brighter displays with a higher degree of luminance as compared to conventional microencapsulated electrophoretic displays with substantially Lambertian reflectance where much of the light is not reflected back towards the viewer.
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