F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 8/00 (2006.01) F21S 8/10 (2006.01) F21V 7/04 (2006.01) F21V 13/02 (2006.01)
Patent
CA 2685108
An illumination device having an optical waveguide stage to which is optically coupled a light-projecting stage. The illumination device accepts light from a small isotropic light source such as a light emitting diode or a bulb coupled to the optical waveguide stage. The illumination device spreads the light over a wide area while also collimating it to form a beam. The light-projecting stage and the optical waveguide stage are made of thin slabs of optically transmissive material.
Cette invention concerne un dispositif d'éclairage comprenant un étage guide d'onde optique auquel est optiquement couplé un étage de projection de lumière. Le dispositif d'éclairage reçoit la lumière provenant d'une petite source lumineuse isotrope, telle qu'une diode électroluminescente ou une ampoule couplée à l'étage guide d'onde optique. Le dispositif d'éclairage diffuse la lumière sur une large zone et, dans un même temps, il collimate cette lumière de manière à former un faisceau. L'étage de projection de lumière et l'étage guide d'onde optique sont constitués de fines plaques d'un matériau optiquement transmissif.
Morgan Solar Inc.
Osler Hoskin & Harcourt Llp
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