Light emitting devices and applications thereof

This invention describes a light fixture designed to provide mostly indirect light, meaning the light is directed upwards or sideways rather than straight down. It uses a light source, like an LED, to feed light into a specially shaped clear panel called a lightguide. This panel then has features that extract the light, sending most of it indirectly to illuminate a space without harsh glare.

Why it matters: Filed when LED efficiency and precision optical manufacturing were less advanced, this design for indirect lighting is now more cost-effective to produce. Advances in LED technology and micro-structured lightguide fabrication since 2010 make achieving the specified light distribution with high performance much more feasible.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedPrecision lightguide manufacturing, custom optics

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