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. 01, 2014
Filed:
Dec. 29, 2009
Hee-cheoul Kim, Gyeonggi-do, KR;
Ji-geun Nam, Seoul, KR;
Choun-sung Kang, Gyeonggi-do, KR;
Jin-taek Choi, Gyeonggi-do, KR;
Sang-hyun Ahn, Gyeonggi-do, KR;
Jong-bum Choi, Gyeonggi-do, KR;
Seung-soo Yang, Gyeonggi-do, KR;
Hee-Cheoul Kim, Gyeonggi-do, KR;
Ji-Geun Nam, Seoul, KR;
Choun-Sung Kang, Gyeonggi-do, KR;
Jin-Taek Choi, Gyeonggi-do, KR;
Sang-Hyun Ahn, Gyeonggi-do, KR;
Jong-Bum Choi, Gyeonggi-do, KR;
Seung-Soo Yang, Gyeonggi-do, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A backlight unit is capable of preventing generation of mura such bright lines and dark lines. The backlight unit includes a light guide panel divided into a plurality of light guide blocks for local dimming driving, a first block partitioning unit formed as a groove between respective adjacent light guide blocks on a lower surface of the light guide panel, and a point light source received in the first block partitioning unit.