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.
Patent No.:
Date of Patent:
Apr. 16, 2013
Filed:
Jun. 22, 2006
Applicants:
Gee Sung Chae, Incheon-si, KR;
Jin Wuk Kimq, Uiwang-si, KR;
Inventors:
Gee Sung Chae, Incheon-si, KR;
Jin Wuk Kimq, Uiwang-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight unit includes a light guide plate, at least one lamp provided at one or both sides of the light guide plate, a lamp housing surrounding the lamp, a lamp reflection plate positioned under the light guide plate to reflect light emitted from the lamp towards the light guide plate, and a polarization layer on an upper surface of the light guide plate and having an embossed pattern of protrusions and grooves on an upper surface thereof. A method for forming the backlight unit and a liquid crystal display device comprising the same are also disclosed.