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. 12, 2012

Filed:

Feb. 29, 2008
Applicants:

Jin-sung Choi, Cheonan-si, KR;

Byung-yun Joo, Seoul, KR;

Min-young Song, Seoul, KR;

Sang-hoon Lee, Cheonan-si, KR;

Dong-kwan Kim, Seoul, KR;

Inventors:

Jin-Sung Choi, Cheonan-si, KR;

Byung-Yun Joo, Seoul, KR;

Min-Young Song, Seoul, KR;

Sang-Hoon Lee, Cheonan-si, KR;

Dong-Kwan Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein are a light guide plate and a backlight assembly using the same, which may improve the uniformity of light using prism patterns having a trapezoidal shape. The light guide plate includes a body, a plurality of first projections, and a plurality of second projections. The body includes an incident surface to which light is incident and an emitting surface from which the incident light is emitted. The plurality of first projections is disposed on the emitting surface of the body and has a trapezoidal shape in a section perpendicular to the incident surface. The plurality of second projections is disposed on the emitting surface of the body and has a shape symmetrical to a shape of the first projections.


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