Invention Application
US20130220399A1 HYBRID WEDGE SHAPED/MICROSTRUCTURED LIGHT COLLECTOR 审中-公开
混合楔形/微结构光收集器

HYBRID WEDGE SHAPED/MICROSTRUCTURED LIGHT COLLECTOR
Abstract:
This disclosure provides systems, methods and apparatus including a hybrid wedge shaped/microstructured light collector that is optically coupled to one or more photovoltaic cells. In one aspect, the hybrid wedge shaped/microstructured light collector includes a wedge shaped light guide having an inclined light receiving surface that can collect light incident at angles in the range from about 60 degrees to about 90 degrees with respect to a normal to the inclined light receiving surface. Additionally, the hybrid wedge shaped/microstructured light collector includes a microstructured light collector that can collect light incident at angles in the range from about 0 degrees to about 60 degrees with respect to a normal to the inclined light receiving surface.
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