Beam shutter in LED package

Details Beam shutter in LED package Beam shutter in LED package

2008-01-08

2008-01-08

O'Shea, Sandra (Department: 2875)

Illumination

Light modifier

Translucent or opaque

C362S538000

Reexamination Certificate

active

07316488

ABSTRACT:
A beam shutter is disclosed that is affixed to an LED die submount or circuit board to sharply define the emitted pattern. The beam shutter may be a solid piece of aluminum or any other opaque material to block a portion of the light emitted from the LED die. The beam shutter is particularly advantageous for shaping the LED light for car headlamps.

REFERENCES:
patent: 6945672 (2005-09-01), Du et al.
patent: 6960007 (2005-11-01), Ishida et al.
patent: 7005679 (2006-02-01), Tarsa et al.
patent: 2003/0142500 (2003-07-01), Bachl et al.

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