Method for fabricating led light tube
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United States of America Patent
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Oct 28, 2014
Grant Date -
N/A
app pub date -
Sep 6, 2013
filing date -
Sep 6, 2013
priority date (Note) -
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Abstract
A method for fabricating an LED light tube includes: fabricating a heat dissipation base having a light emitting side with a recess and a reception chamber; disposing one illumination unit and one bridging unit on the recess, wherein the illumination unit and the bridging unit are constituted by LED dies and conductive elements, respectively; fixing a circuit unit on the light emitting side in such a manner that the circuit is located adjacent to the recess; applying wire-bond technique to connect the LED dies and the conductive elements electrically; forming an optical layer over the LED dies; forming a protection layer on the optical layer; establishing electrical connection among the circuit unit, the conductive elements and the LED dies; installing a power supply source within the reception chamber; and disposing a diffusion shield over the dissipation base and two end caps respectively on two ends of the dissipation base.
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