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:
Nov. 02, 2021
Filed:
Dec. 05, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); G09G 3/36 (2006.01); G09G 3/34 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01); G02F 1/1334 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133371 (2013.01); G02F 1/1334 (2013.01); G02F 1/133524 (2013.01); G02F 1/134336 (2013.01); G09G 3/3426 (2013.01); G09G 3/36 (2013.01); G02F 2203/03 (2013.01); G09G 2300/0421 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01);
Abstract
Disclosed is a backlight unit including a light guide member including one side surface and the other side surface parallel to the one side surface, a light source module disposed on the one side surface of the light guide member, and a local dimming part disposed on the light guide member and including a liquid crystal layer, wherein the liquid crystal layer has an inclined surface disposed between the one side surface and the other side surface of the light guide member.