Lighting structure for intensely illuminating narrow linear...

Details Lighting structure for intensely illuminating narrow linear... Lighting structure for intensely illuminating narrow linear...

F - Mech Eng,Light,Heat,Weapons

21

V

F21V 8/00 (2006.01) G02B 6/00 (2006.01) G02B 6/32 (2006.01)

Patent

CA 2138629

A lighting structure for intensely illuminating a narrow linear region. A light source emits light into an end of a hollow, elongate light guide. A longitudinal slit light-emitting aperture extends through an external wall of the light guide. A lens is mounted in the aperture. The lens bears a plurality of prisms which extend substan- tially perpendicular to the slit, on an inwardly directed face of the lens. The lens may be formed of a film ma- terial. A mechanism is provided to maintain the lens flat. A diffuser mounted outwardly of the lens bears a plurality of thin striations extending transversely, relative to the longitudinal slit aperture.

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