Electric lamp and discharge devices – With optical device or special ray transmissive envelope
Reexamination Certificate
2010-11-02
2011-12-13
Ward, John A (Department: 2885)
Electric lamp and discharge devices
With optical device or special ray transmissive envelope
C257SE33073
Reexamination Certificate
active
08076831
ABSTRACT:
An integrated multi-layer apparatus and method of producing the same is disclosed. The apparatus comprises an LED, a beam shaping layer, and a refracting layer between the beam shaping layer from the LED. The refracting layer may have an index of refraction lower than the index of refraction of the LED and the beam shaping layer.
REFERENCES:
patent: 7549769 (2009-06-01), Kim et al.
patent: 7839062 (2010-11-01), Shum
patent: 2007/0145397 (2007-06-01), DenBaars et al.
patent: 2008/0067531 (2008-03-01), Chang
Arent & Fox LLP
Bridgelux Inc.
Ward John A
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