Lens for sideward light emission

Details Lens for sideward light emission Lens for sideward light emission

2006-04-11

2008-10-07

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With reflecting element

C359S712000, C362S327000

Reexamination Certificate

active

07433134

ABSTRACT:
A lens defines central axis, and includes a light receiving surface, a light reflecting surface, and a light exiting surface. The light reflecting surface is opposite to the light receiving surface along the central axis. The light exiting surface extends between the light receiving surface and the light reflecting surface. When a light source emits a light, a portion of the light emitted by the light source passes through the light receiving surface, and is incident on and is reflected at a plurality of reflections angles by the light reflecting surface to the light exiting surface so as to exit the lens in directions perpendicular to the light exiting surface for all said plurality of reflection angles.

REFERENCES:
patent: 6536923 (2003-03-01), Merz
patent: 6607286 (2003-08-01), West
patent: 6679621 (2004-01-01), West
patent: 7083313 (2006-08-01), Smith
patent: 2003/0235050 (2003-12-01), West et al.
patent: 2005/0286251 (2005-12-01), Smith
patent: 2006/0083003 (2006-04-01), Kim et al.

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