US Patent 10317679 Light homogenization
Patent 10317679 was granted and assigned to Akonia Holographics, LLC on June, 2019 by the United States Patent and Trademark Office.
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An optical reflective device for homogenizing light including a waveguide having a first and second waveguide surface and a partially reflective element is disclosed. The partially reflective element may be located between the first waveguide surface and the second waveguide surface. The partially reflective element may have a reflective axis parallel to a waveguide surface normal. The partially reflective element may be configured to reflect light incident on the partially reflective element at a first reflectivity for a first set of incidence angles and reflect light incident on the partially reflective element at a second reflectivity for a second set of incident angles.
US Patent 10317679 Light homogenization
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