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. 27, 2019
Filed:
Dec. 19, 2017
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
JaeJin Kim, Goyang-si, KR;
MinSoo Park, Anyang-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 8/00 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0016 (2013.01); G02B 6/0036 (2013.01); G02B 6/0038 (2013.01); G02B 6/0068 (2013.01); G02F 1/133615 (2013.01);
Abstract
The present disclosure relates to a backlight unit and a display device including the backlight unit. The backlight unit includes a first pattern in a first region of a light guide plate including a light incidence surface and a second pattern in a second region of the light guide plate extending from the first region, so that, in the first region, a directional angle of light can be improved so as to prevent the occurrence of hot spots, and in the second region, a line light source can be converted into a plane light source.