Light source with improved life

Details Light source with improved life Light source with improved life

2006-09-12

2006-09-12

Tran, Long K. (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With housing or contact structure

C257S100000, C257SE33058, C257SE33059, C362S363000

Reexamination Certificate

active

07105863

ABSTRACT:
A light source has an attachment element attached to a hollow outer element. First and second leads extend through the attachment element. A light-emitting diode (“LED”) die is attached to a substrate portion of a lead. Elastomeric encapsulant disposed within the hollow outer element surrounds the LED die. The light source includes a chamber between the elastomeric encapsulant and the attachment element.

REFERENCES:
patent: 6204523 (2001-03-01), Carey et al.
patent: 6274924 (2001-08-01), Carey et al.
patent: 6521914 (2003-02-01), Krames et al.
patent: 6590235 (2003-07-01), Carey et al.
patent: 6642652 (2003-11-01), Collins, III et al.
patent: 6646292 (2003-11-01), Steigerwald et al.
patent: 6806583 (2004-10-01), Koay et al.
patent: 2002/0028527 (2002-03-01), Maeda et al.
patent: 2004/0198924 (2004-10-01), Young et al.
patent: 2005/0133810 (2005-06-01), Roberts et al.
U.S. Appl. No. 11/068,645, filed Feb. 22, 2005, Tong Fatt Chew.

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