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:
Feb. 05, 2013

Filed:

May. 03, 2010
Applicants:

Chin-chung Chen, Taipei Hsien, TW;

Shi-yu Song, Shenzhen, CN;

Inventors:

Chin-Chung Chen, Taipei Hsien, TW;

Shi-Yu Song, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract

An LED unit includes an LED and a lens mounted on the LED. The lens includes a light-incident face adjacent to the LED, a light-emergent face remote from the LED, and a light-reflecting face between the light-incident face and the light-emergent face. The light-incident face includes a first light-incident face which faces the LED, and the light-emergent face includes a first light-emergent face located opposite to the first light-incident face. The first light-emergent face is a continuously curved face which has a curvature firstly increasing gradually and then decreasing gradually along a bottom-to-top direction of the lens.


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