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:
Sep. 18, 2012

Filed:

Dec. 30, 2010
Applicants:

Jooyoung Kim, Cheonan-si, KR;

Sung-kyu Shim, Seoul, KR;

Kwang-wook Choi, Cheonan-si, KR;

Hyoung-joo Kim, Anyang-si, KR;

Inventors:

JooYoung Kim, Cheonan-si, KR;

Sung-Kyu Shim, Seoul, KR;

Kwang-Wook Choi, Cheonan-si, KR;

Hyoung-Joo Kim, Anyang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A backlight unit includes; a plurality of point light sources, a light guide plate including lateral sides and main planes substantially perpendicular to the lateral sides, and a printed circuit board on which the point light sources are mounted. At least one side of the light guide plate includes a first plane, which does not correspond to the point light sources, and a light incident plane corresponding to the point light sources and having a predetermined inclination angle with respect to the first plane.


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