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:
Jan. 22, 2013

Filed:

Jan. 12, 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 ...
F21V 3/00 (2006.01); F21V 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An LED module includes a printed circuit board, an LED mounted on the printed circuit board, and a lens fixed on the printed circuit board and covering the LED for refracting light emitted by the LED. The lens has a concaved inner face for incidence of the light and an opposite convex outer face for the light refracting out thereof. The inner face is aspherical. The outer face is spherical. The inner and outer faces are centrosymmetrical relative to axes, respectively, which are coincident with each other. A curvature of the inner face is gradually reduced from a center to an edge thereof.


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