Wide angle light diffusing lens

Details Wide angle light diffusing lens Wide angle light diffusing lens

1991-10-15

1993-07-20

Husar, Stephen F.

Illumination

Light modifier

Refractor

362330, 362223, F21V 502

Patent

active

052287734

ABSTRACT:
A light diffusing lens for location in and extending across a downwardly facing light emitting opening of a light fixture of the type having a recessed light source. The lens comprises a lip such as a horizontally disposed peripherally extending lip supporting the lens at the opening. A somewhat vertically disposed first light translucent wall, which is preferably rectangularly shaped, extends downwardly from the lip and permits light from the light source transmitted through this somewhat vertical wall to be directed horizontally, downwardly and upwardly. A pair of inwardly converging second light translucent side walls extend downwardly from the first light translucent wall and have upper edges connected to a lower edges of the first wall. The lower edges of this pair of side walls are joined to form a closed lower end. A pair of inwardly converging end walls are connected to the side walls and also join at the closed lower ends. The exterior surfaces of all of the walls are provided with a prismatic surface configuration. Furthermore, the various walls of the lens effectively form a prismatically shaped lens. The light diffusing lens of the invention thereby permits dispersion of light from planes at a wide angle.

REFERENCES:
patent: 3249752 (1966-05-01), Odle
patent: 3275822 (1966-09-01), Wince et al.
patent: 4262326 (1981-04-01), Lewin
patent: 4462068 (1984-07-01), Shadwick

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