Two-side asymmetric light-shift illuminating lens body

Details Two-side asymmetric light-shift illuminating lens body Two-side asymmetric light-shift illuminating lens body

2011-07-26

2011-07-26

Husar, Stephen F (Department: 2875)

Illumination

Light modifier

Refractor

C362S326000

Reexamination Certificate

active

07985009

ABSTRACT:
A two-side asymmetric light-shift illuminating lens body mainly projecting light from a light emitting device to two asymmetric relative outer directions includes a base having a receiving slot with a downwards opening for receiving a lighting device; a large non-spherical protrusion and a small a large non-spherical protrusion being arranged on two sides of a center light axis on a top surface of the base; a concave curved surface being formed to a border of the two non-spherical protrusions; a concave arc is formed above the receiving slot, outer edge of each non-spherical protrusion being formed with a aft cambered convex lateral. The cambered convex laterals are gradually narrowed along the projecting direction of the center light axis. An angle between a tangent line of the cambered convex lateral and the center light axis is about 10 degrees.

REFERENCES:
patent: 7273299 (2007-09-01), Parkyn et al.
patent: 7347588 (2008-03-01), Weigert
patent: 7373014 (2008-05-01), Mancuso et al.
patent: 7674018 (2010-03-01), Holder et al.
patent: 2004/0037076 (2004-02-01), Katoh et al.
patent: 2007/0029563 (2007-02-01), Amano et al.

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