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.

Date of Patent:
Aug. 13, 2019

Filed:

Apr. 10, 2015
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventor:

Kyung Jin Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 5/04 (2006.01); G02B 19/00 (2006.01); F21Y 105/10 (2016.01); F21Y 115/10 (2016.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133606 (2013.01); F21V 5/04 (2013.01); G02B 19/0028 (2013.01); G02B 19/0061 (2013.01); G02B 19/0071 (2013.01); G02F 1/133603 (2013.01); F21Y 2105/10 (2016.08); F21Y 2115/10 (2016.08); G02F 2001/133607 (2013.01); G02F 2202/28 (2013.01);
Abstract

Disclosed are an optical member and a backlight unit including the same, the optical member comprising: a lens including a first optical surface, a second optical surface facing the first optical surface, and a third optical surface interconnecting the first optical surface and second optical surface; and a cover which is disposed on the second optical surface and has a light transmittance of 5 to 30%.


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