Light emissive signage devices based on lightwave coupling
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United States of America Patent
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Sep 30, 2008
Grant Date -
Feb 8, 2007
app pub date -
Sep 27, 2006
filing date -
Dec 8, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A signage device comprising one or more light sources, a waveguide or arrangement of waveguides and photoluminescent features coupled thereto. In one embodiment, a waveguide is adapted to receive light of a first wavelength and the photoluminescent features are adapted to emit light of a second wavelength in response to receiving light of the first wavelength.
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