Patents Assigned to Duke Solar Energy, LLC
  • Nonimaging light concentrator with uniform irradiance
    Patent number: 6541694
    Abstract: A nonimaging light concentrator system including a primary collector of light, an optical mixer disposed near the focal zone for collecting light from the primary collector, the optical mixer having a transparent entrance aperture, an internally reflective housing for substantially total internal reflection of light, a transparent exit aperture and an array of photovoltaic cells disposed near the transparent exit aperture.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: April 1, 2003
    Assignees: Solar Enterprises International, LLC, Duke Solar Energy, LLC
    Inventors: Roland Winston, Randy C. Gee