Luminaire device

Details Luminaire device Luminaire device

2005-09-27

2005-09-27

Ward, John Anthony (Department: 2875)

Illumination

Light modifier

Reflector

C362S328000, C362S333000, C362S346000

Reexamination Certificate

active

06948832

ABSTRACT:
A luminaire including a lamp, reflector, collimator and optional waveguide. The waveguide can be solid or hollow or include several serially-arranged total internal reflection (TIR) components for redirecting light that has entered the waveguide. In one embodiment, the TIR components are prisms, but are provided without metallized coatings thereby significantly reducing manufacturing costs. In another embodiment, components are arranged in a vertical orientation such that light is directed downward through a collimator or upward, either directly from the lamp or as a result of reflection from the reflector.

REFERENCES:
patent: 5676453 (1997-10-01), Parkyn et al.
patent: 5676457 (1997-10-01), Simon
patent: 5810469 (1998-09-01), Weinreich
patent: 5897201 (1999-04-01), Simon
patent: 43 25 115 (1995-04-01), None
International Search Report.

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