Thermally efficient LED bulb

Details Thermally efficient LED bulb Thermally efficient LED bulb

2006-08-08

2006-08-08

O'Shea, Sandra (Department: 2875)

Illumination

Supported by vehicle structure

Plural light sources

C362S249070, C362S294000, C362S555000

Reexamination Certificate

active

07086767

ABSTRACT:
A solid-state light source10compatible with existing sockets normally reserved for filamented lamps may be formed with a hollow base12formed to mechanically and electrically adapt to a socket. A sub-assembly14adapted to cooperate with and fit into the hollow base12comprises a metal core16having a bulbous body18and a narrow, depending foot20. A circuit board22substantially surrounds the metal core16on two sides. The board22is preferably formed from a flexible printed circuit board material capable of sustaining a bend radius of at least 0.25 inches (6 mm). Solid-state light sources30, for example, light emitting diodes (LEDs) are mechanically and electrically connected to one side of the circuit board by suitable electrically conductive traces. A glass dome34covers the sub-assembly14after it is inserted into the hollow base12and is sealed thereto.

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