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:
Feb. 14, 2012
Filed:
Nov. 13, 2009
Applicants:
Seung Choon Bae, Suwon-si, KR;
Seung SE Kim, Yongin-si, KR;
Hoon Hur, Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion.