F - Mech Eng,Light,Heat,Weapons – 21 – S
Patent
F - Mech Eng,Light,Heat,Weapons
21
S
F21S 8/00 (2006.01) F21V 3/04 (2006.01) F21V 13/12 (2006.01) G02B 5/02 (2006.01) G02B 27/02 (2006.01) G09F 13/04 (2006.01)
Patent
CA 2431130
Lighting apparatus having a light source, a diffusive/reflective layer located in front of the light source arranged to diffusely reflect and transmit light from the light source, and a differential transmitter located on the opposite side of the diffusive/reflective layer to the light source for controlling the transmission of the light passed through the diffusive/reflective layer. The differential transmitter is preferably in the form of a reflective pattern deposited on a substrate, for example on the rear surface of the diffusive/reflective layer.
L'invention concerne un dispositif d'éclairage comportant une source lumineuse, une couche de diffusion/réflexion située devant la source lumineuse et conçue pour refléter de manière diffuse et transmettre la lumière provenant de la source lumineuse, et un émetteur différentiel situé du côté opposé de la couche de diffusion/réflexion par rapport à la source lumineuse, pour régler la transmission de lumière traversant la couche de diffusion/réflexion. L'émetteur différentiel est de préférence sous la forme d'un motif réfléchissant déposé sur un substrat, par exemple la surface arrière de la couche de diffusion/réflexion.
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