Low-profile color-mixing lightpipe
AssigneeFraen Corporation
InventorsCarlton S. Jones, Robert A. Gobron, Anthony L. Bolzan
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Abstract
In one aspect, a light-mixing system is disclosed, which includes a light pipe having an input surface configured for receiving light from a light source, a light-mixing segment optically coupled to the input surface, and an output surface optically coupled to said light-mixing segment through which light exits the light pipe. A putative vector normal to at least one of the input or the output surface forms a non-zero angle relative to a longitudinal axis of the light-mixing segment. In some embodiments, the non-zero angle can be, for example, about 90 degrees.
Claims23
A light-mixing system, comprising:
- a curved light pipe comprising:
- an input surface configured for receiving light from a light source;
- a light-mixing segment optically coupled to said input surface and
- an output surface optically coupled to said light-mixing segment through which light exits the light pipe,
- wherein:
- said light pipe comprises a polygonal cross section;
- and
- said input surface is vertically separated from said output surface by a vertical separation distance.
Dependencies are inferred from the claim text.