Importance

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Abstract

A luminaire can comprise at a light source, a lightguide, and a reflective surface. The lightguide can comprise two major surfaces, for example two faces of a panel of optical material. The light source can couple light into the lightguide through an edge of the lightguide. The coupled light can exit the lightguide through the major faces of the lightguide. The reflective surface can be oriented to receive and redirect the light emitted from the lightguide. Via this redirection, the luminaire can emit illumination in direction that is different from the light source's emissions. For example, the light source can emit light upward and into the lightguide, the lightguide can emit and distribute that light outward, and the reflective surface can redirect the light downward.

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First Claim