Integrating lens array and image forming method for improved opt

Details Integrating lens array and image forming method for improved opt Integrating lens array and image forming method for improved opt

1995-12-13

1997-09-02

Dowling, William

Optics: image projectors

Unitary plural refracting surfaces

362331, G03B 2114

Patent

active

056624018

ABSTRACT:
An illumination system and method for illuminating an output patch includes a first array for receiving light, and which includes first lenslets. A second array, which includes second lenslets, receives the light from the first array and outputs the light to the illumination patch. The first lenslets have a uniform shape and the second lenslets have a non-uniform shape thereby reducing optical extent and maximizing system lighting efficiency.

REFERENCES:
patent: 3302016 (1967-01-01), Larraburu
patent: 4619508 (1986-10-01), Shibuya et al.
patent: 4769750 (1988-09-01), Matsumoto et al.
patent: 5098184 (1992-03-01), van den Braudt et al.
patent: 5418583 (1995-05-01), Matsumoto

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