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:
May. 18, 2010
Filed:
Dec. 30, 2005
Dae-san Lim, Gyeonggi-Do, KR;
In-jae Chung, Gyeonggi-Do, KR;
Jin-hwan Jeon, Gyeonggi-Do, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed is a backlight unit and an LCD device having the same. The backlight unit comprises a plurality of light sources for generating light, a light guide plate for converting linear light generated from the light source into planar light and irradiating the light onto an LCD panel, a plurality of optical patterns formed on the light guide plate, wherein the optical patterns have different sizes for uniformly applying light incident onto the LCD panel to the entire LCD panel, and a diffusion sheet for transmitting light emitted from the light guide plate in a direction substantially perpendicular to the LCD panel.