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:
Nov. 27, 2012
Filed:
Jan. 26, 2011
Jon-fwu Hwu, Hsinchu, TW;
Yung-fu Wu, Hsinchu, TW;
Kui-chiang Liu, Hsinchu, TW;
GEM Weltronics TWN Corporation, Hsinchu, TW;
Abstract
A method for packaging an airtight multi-layer array type LED is disclosed. The method includes: integrally forming a metal substrate with an airtight metal frame surrounding an accommodating space; forming a light outlet platform surrounding a light outlet opening on a bottom of the accommodating space; forming two horizontal sealing through holes in the airtight metal frame, wherein each sealing through hole has one lead frame inserted therethrough, and all interstitial space in the two horizontal sealing through holes is completely sealed with a sealing material; disposing the optical units and optical components in the accommodating space; sequentially forming a dice protection layer, a fluorescent layer, and a silicone layer on the LED dices; and installing an optical glass cover on the top surface of the airtight metal frame to seal the packaging structure of the present invention.