Light emissive signage devices based on lightwave coupling

Details Light emissive signage devices based on lightwave coupling Light emissive signage devices based on lightwave coupling

2006-09-27

2008-09-30

Font, Frank G (Department: 2883)

Optical waveguides

Planar optical waveguide

C385S027000, C385S031000, C385S033000, C385S039000, C385S130000, C385S901000, C362S084000, C362S600000, C362S601000, C362S608000, C362S609000, C362S615000, C362S629000

Reexamination Certificate

active

07430355

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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