LED module

Details LED module LED module

2011-04-12

2011-04-12

Tso, Laura (Department: 2875)

Illumination

Light source and modifier

Including translucent or transparent modifier

C362S800000, C362S520000, C362S311060

Reexamination Certificate

active

07922370

ABSTRACT:
An LED module includes an LED and an elongated lens. The lens includes a center axis, a concave incident face, and an opposite convex emitting face. The emitting face includes a portion with a curvature radius at any point along a first plane larger than a distance between the point and the LED, and larger than a curvature radius at a corresponding point of the incident face on the first plane. A curvature radius at any point of the portion of the emitting face along a second plane perpendicularly intersected with the first plane at the center axis is larger than a distance between the point and the LED, while smaller than a curvature radius of a corresponding point at the incident face on the second plane. A radiating angle of the LED module in the first plane is larger than that in the second plane.

REFERENCES:
patent: 2008/0100773 (2008-05-01), Hwang et al.
patent: 2008/0273327 (2008-11-01), Wilcox et al.
patent: 2009/0225551 (2009-09-01), Chang et al.

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