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:
Aug. 16, 2016
Filed:
Jul. 17, 2014
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
Young-Hun Jeong, Gyeongsangbuk-do, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/02 (2006.01); G02B 1/04 (2006.01); G02F 1/1335 (2006.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
F21V 5/02 (2013.01); G02B 5/045 (2013.01); G02F 1/1336 (2013.01); G02F 1/133504 (2013.01); G02F 1/133606 (2013.01); G02F 2001/133607 (2013.01);
Abstract
The present invention relates a prism sheet, and a back light unit and a liquid crystal display device therewith, in which total thickness of a back light unit is reduced while taking place of the lamp mura is prevented, for improving a picture quality. The prism sheet includes a plurality of first prism mountains formed on a supporting film at regular intervals, a resin layer filled between the first prism mountains, and a plurality of second prism mountains formed on the resin layer and the first prism mountains with at intervals greater than the intervals of the first prism mountains.