Light emitting diode optics

Details Light emitting diode optics Light emitting diode optics

2006-05-30

2006-05-30

Husar, Stephen (Department: 2875)

Illumination

Supported by vehicle structure

Plural light sources

C362S229000, C362S539000, C362S547000

Reexamination Certificate

active

07052166

ABSTRACT:
A bulb (10) for an automotive taillight has a central stem (12) that includes a base (14), a summit (16), and an intermediate portion (18). A parabolic reflector (20) is positioned about the base (14) and has a first reflector surface (22) facing the summit (16). At least one light source (24) is positioned on the summit (16) for directing primary illumination toward the reflector surface (22) on the reflector (20). In a preferred embodiment of the invention a plurality of light sources (24) are employed to even the distribution of light and the light sources are red light emitting LEDs. An optic (26) is associated with at least a part of the intermediate portion (18), the optic (26) having a second reflector surface (28) for directing secondary illumination toward the first reflector surface (22).

REFERENCES:
patent: 6641293 (2003-11-01), Kumar et al.
patent: 6682211 (2004-01-01), English et al.
patent: 6773138 (2004-08-01), Coushaine
patent: 2003/0063476 (2003-04-01), English

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