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:
Mar. 18, 2014
Filed:
Apr. 12, 2011
Bupsung Jung, Seoul, KR;
Sangtae Park, Seoul, KR;
Soonhyung Kwon, Seoul, KR;
Seungchoon Bae, Seoul, KR;
Heewon Kwon, Seoul, KR;
Hoon Hur, Seoul, KR;
Bupsung Jung, Seoul, KR;
Sangtae Park, Seoul, KR;
Soonhyung Kwon, Seoul, KR;
Seungchoon Bae, Seoul, KR;
Heewon Kwon, Seoul, KR;
Hoon Hur, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A backlight unit is provided that comprises a first layer, a plurality of light sources on the first layer, a reflection layer on the first layer, the reflection layer surrounding the plurality of light sources, a second layer on the reflection layer and the plurality of light sources, and a third layer on the second layer, the third layer comprising a plurality of light shielding patterns arranged to correspond to the light sources, respectively, and a light transmitting region surrounding the plurality of light shielding patterns, wherein the light transmitting region includes first regions adjacent to the light sources and second regions away from the light sources, and wherein the first regions are smaller in area than the second regions. A display apparatus comprising the backlight unit is provided as well.