Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure
Reexamination Certificate
2007-03-27
2007-03-27
Prenty, Mark V. (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
C257S098000
Reexamination Certificate
active
11238667
ABSTRACT:
A light-emitting device is provided. The device may include a thermally conductive region in contact with a wavelength-converting region (e.g., a phosphor region). The thermally conductive region may aid in the extraction of heat resulting from light absorption in the wavelength-converting region, which, if excessive, may impair device operation. The presence of a thermally conductive region can enable devices including wavelength-converting regions to operate even at high power levels (e.g., light generated by the light-generating region and/or by the light-emitting device having a total power greater than 0.5 Watts) for long operating lifetimes (e.g., greater than 2,000 hours).
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“NeoPac sets new standard with 500 lumen LED lighting”, LEDs Magazine, http://www.ledsmagazine.com/press/9495, Date announced Jul. 5, 2005, Date of website printout Jan. 23, 2006.
Brown Michael G.
Erchak Alexei A.
Karlicek, Jr. Robert F.
Lidorikis Elefterios
Lim Michael
Luminus Devices, Inc.
Prenty Mark V.
Wolf Greenfield & Sacks P.C.
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