Optical lens and illuminating device incorporating the same

Details Optical lens and illuminating device incorporating the same Optical lens and illuminating device incorporating the same

2011-05-31

2011-05-31

Ward, John A (Department: 2885)

Illumination

Plural light sources

With modifier

C362S326000, C362S331000, C362S333000, C362S335000, C362S336000, C362S311020

Reexamination Certificate

active

07950825

ABSTRACT:
An optical lens includes an array of lens units. Each lens unit includes a main body, a light diverging portion and a light converging portion. The main body includes a light incident surface and a light emitting surface opposite to the light incident surface. The light diverging portion is configured for expanding a light field along a first direction, and the light converging portion is configured for compressing a light field along a second direction. The light diverging portion and the light converging portion are both formed on one of the light incident surface and the light emitting surface.

REFERENCES:
patent: 2120263 (1938-06-01), Ross
patent: 5580156 (1996-12-01), Suzuki et al.
patent: 6070993 (2000-06-01), Natsume
patent: 6244727 (2001-06-01), Ryan et al.
patent: 6250777 (2001-06-01), Aoyama
patent: 7794117 (2010-09-01), Cheng et al.
patent: 2008/0055932 (2008-03-01), Chao et al.

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