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:
Jun. 28, 2016
Filed:
Jun. 30, 2014
Applicant:
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Inventors:
Heugon Kim, Yongin-si, KR;
JooYoung Kim, Suwon-si, KR;
Jin Seo, Osan-si, KR;
Insun Hwang, Suwon-si, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/001 (2013.01); G02B 6/0053 (2013.01); G02B 6/0096 (2013.01); G02B 6/0021 (2013.01); G02B 6/0043 (2013.01);
Abstract
A backlight unit includes a light source which emits a first light, a light guide bar extending in a first direction, where the light guide bar receives the first light through an incident surface thereof, and guides the first light to convert the first light to a second light, and a control pattern disposed on a surface of the light guide bar, which extends in the first direction, where the control pattern converts the second light to a third light, and has a shape extending in the first direction to control an exit angle of the third light.