LIGHT EMITTING DEVICE HAVING FUNCTION OF HEAT-DISSIPATION AND MANUFACTURING PROCESS FOR SUCH DEVICE
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United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Sep 2, 2008
filing date -
Nov 30, 2007
priority date (Note) -
Abandoned
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Abstract
A light-emitting device of a light-emitting diode (LED) and a manufacture method thereof are provided. The light-emitting device includes a post-like metal material, a printed circuit board, conductors, insulators, light-emitting diodes, wires, and an encapsulating material. The light-emitting device has through holes, in which conductors are disposed and surrounded with the insulators. One end of each conductor is connected to the printed circuit board to form a composite structure heat-dissipation substrate. The light-emitting diodes are disposed on the post-like metal material, connected to the conductors via the wires, and encapsulated by the encapsulating material. Furthermore, the light-emitting diodes, the wires, and the encapsulating material can be combined into a light-emitting unit. Moreover, red, blue, and green light-emitting diodes can be combined and the color of output light thereof can be adjusted by controlling the input signal.
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