LED lighting fixture

Details LED lighting fixture LED lighting fixture

2011-05-24

2011-05-24

Wilson, Allan R (Department: 2815)

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

Incoherent light emitter structure

With housing or contact structure

C257S098000, C257S100000, C257SE33058, C257SE33059, C257SE33061

Reexamination Certificate

active

07948001

ABSTRACT:
A light-emitting device held on a fixture body includes an LED chip, a heat transfer plate made of a thermally conductive material on which the LED chip is mounted, a wiring board having, on one side, patterned conductors, for supplying an electric power to the LED chip and formed with an aperture (exposure part) through which a LED chip mount surface of the heat transfer plate is exposed, an encapsulation part in which the LED chip is encapsulated on the one side of the wiring board, and a dome-shaped color-changing member made of a fluorescent material and an optically transparent material and placed on the one side of the wiring board. The light-emitting device is bonded to the fixture body with an insulating layer interposed therebetween, and the insulating layer has electrical insulating properties and is interposed between the heat transfer plate and the fixture body to thermally couple the same.

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