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.

Date of Patent:
Oct. 21, 2014

Filed:

Oct. 09, 2011
Applicant:

You-fa Wang, Singapore, SG;

Inventor:

You-Fa Wang, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); H01L 25/075 (2006.01); G06F 3/042 (2006.01); H01L 33/58 (2010.01);
U.S. Cl.
CPC ...
G06F 3/0421 (2013.01); H01L 25/0753 (2013.01); H01L 33/58 (2013.01);
Abstract

A manufacturing method of light emitting units is shown below. First step is providing a substrate with multi circuit areas. A light emitting diode is mounted on the circuit area respectively. Next step is forming a package structure to cover the light emitting diode. Next step is dicing the package structure to form a biconic package structure. The package structure is diced twice in two directions, respectively. As above-mentioned, the light emitting unit has asymmetric light radiation pattern.


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