Lenticulated lens

Details Lenticulated lens Lenticulated lens

1995-01-23

1997-11-04

Husar, Stephen F.

Illumination

Light modifier

Refractor

362309, 362328, 362332, 313111, 313116, 359619, 359626, F21V 500

Patent

active

056831757

ABSTRACT:
A lenticular lens containing a multiplicity of multi-sided lenticules useful with reflector lamps provides improved light distribution by having the lenticules oriented to avoid parallelism with a projected light image and distributed in a plurality of zones or bands concentric about said optical center. The size and light-spreading ability of the lenticules in each zone is selected to provide the desired light distribution. Parallelism is avoided by having the lenticules arrayed in a plurality of wedge-shaped sections circumferentially arranged in a circle around the optical center of the lens and extending through the zones with the lenticules in each section arrayed in a uniform, close-packed hexagonal array of parallel rows with the longitudinal axis of one of the rows being radially aligned with respect to the optical center of the lens, so that none of the sides of the lenticules are parallel to the light source image projected off the reflector.

REFERENCES:
patent: 3267278 (1966-08-01), Doolittle
patent: 4484254 (1984-11-01), Puckett et al.
patent: 4494176 (1985-01-01), Sands et al.
patent: 4545007 (1985-10-01), Nagel
patent: 4651261 (1987-03-01), Szekacs
patent: 4785385 (1988-11-01), Holst
patent: 4912613 (1990-03-01), Sanborn
patent: 4991073 (1991-02-01), Levin
patent: 5032963 (1991-07-01), Granstrom
patent: 5043856 (1991-08-01), Levin
patent: 5442252 (1995-08-01), Golz

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