The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2014
Filed:
Sep. 06, 2013
Gem Weltronics Twn Corporation, Hsinchu County, TW;
Jon-Fwu Hwu, Hsinchu County, TW;
Yung-Fu Wu, Hsinchu County, TW;
Kui-Chiang Liu, Hsinchu County, TW;
Gem Weltronics Twn Corporation, Hsinchu County, TW;
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.