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:
Nov. 01, 2016

Filed:

Jul. 02, 2014
Applicants:

Ching-hsiang LI, Hsin-Chu, TW;

Min-chun Chou, Hsin-Chu, TW;

Chien-hui Lee, Hsin-Chu, TW;

Inventors:

Ching-Hsiang Li, Hsin-Chu, TW;

Min-Chun Chou, Hsin-Chu, TW;

Chien-Hui Lee, Hsin-Chu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0068 (2013.01); G02B 6/0021 (2013.01); G02B 6/0016 (2013.01); G02B 6/0043 (2013.01);
Abstract

A planar light source including an LGP and first and second light sources are provided. The LGP has a first surface and a second surface opposite to each other and a first groove and a second groove. The first groove and the second groove are respectively located on the first surface and the second surface, and are respectively located at two sides of a center line of the LGP, where the center line equally divides the first surface and the second surface. The first groove has a first side surface and a first light incident surface, and the second groove has a second side surface and a second light incident surface, where the light sources are disposed in the grooves. The light sources are suitable for respectively providing a light beam entering the LGP through the corresponding light incident surface.


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