Beam-forming lens with internal cavity that prevents front...

G - Physics – 02 – B

Patent

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G02B 3/02 (2006.01) F21L 4/02 (2006.01) F21V 5/04 (2006.01) F21V 7/00 (2006.01) F21V 8/00 (2006.01) G02B 17/00 (2006.01) G02B 27/00 (2006.01)

Patent

CA 2293788

A device for directing light longitudinally forwardly, that comprises a lens body (10) having a front face (11) facing forwardly, rearward body extent, and a curved sidewall (13) extending between the rearward body extent and the front face; a rear cavity (14) in the body, the cavity having a sidewall (15) and a front wall (16) defining a corner (17); and a light source (20) in the cavity, and characterized in that light rays transmitted by the light source toward the curved sidewall, and toward the corner are collimated forwardly.

Un dispositif servant à diriger de la lumière vers l'avant dans le sens longitudinal comprend un corps (10) de lentille présentant une face avant (11) orientée vers l'avant, une région de corps orientée vers l'arrière et une paroi latérale (13) courbe qui s'étend entre la région de corps orientée vers l'arrière et la face avant; une cavité arrière (14) formée dans le corps (7), cette cavité comprenant une paroi latérale (15) et une paroi avant (16) définissant un coin (17); et une source (20) de lumière située dans la cavité qui se caractérise par le fait que les rayons de lumière envoyés par la source de lumière en direction de la paroi latérale courbe et en direction du coin sont collimatés vers l'arrière.

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