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:
Jun. 07, 2016

Filed:

Aug. 26, 2013
Applicant:

Wanjiong Lin, Ningbo, CN;

Inventors:

Fawei Zhang, Ningbo, CN;

Zhaoyong Zheng, Ningbo, CN;

Feng Ji, Ningbo, CN;

Lin Ye, Ningbo, CN;

Le Xu, Ningbo, CN;

Wanjiong Lin, Ningbo, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21K 99/00 (2016.01); F21V 13/04 (2006.01); G02B 19/00 (2006.01); F21V 5/08 (2006.01); F21V 5/04 (2006.01); F21Y 101/02 (2006.01);
U.S. Cl.
CPC ...
F21K 9/50 (2013.01); F21V 5/04 (2013.01); G02B 19/0028 (2013.01); G02B 19/0061 (2013.01); F21V 5/045 (2013.01); F21V 5/08 (2013.01); F21V 13/04 (2013.01); F21Y 2101/02 (2013.01);
Abstract

An illumination system includes at least an LED module, and at least an illuminated area. The LED module includes an LED, and a lens mounted in light path of the LED. The lens includes a light source recess, a first light emitting surface, a critical reflecting surface, and a second light emitting surface intersecting with the first light emitting surface and being on same side with the first light emitting surface. The first light emitting surface can receive more light quantity than the second light emitting surface. Although the light emitted from the first light emitting surface may have greater attenuation than the light emitted from the second light emitting surface, light emitted from the first light emitting surface can make up the intensity losses of attenuation as the first light emitting surface receives more light quantity than the second light emitting surface. As a result, the illumination systemhave uniform illumination pattern.


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