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:
Feb. 18, 2020
Filed:
Oct. 05, 2016
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sin Young Kim, Daejeon, KR;
Sergey Belyaev, Daejeon, KR;
Ji Youn Lee, Daejeon, KR;
Moon Soo Park, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/1335 (2006.01); G02C 7/12 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); G02B 5/30 (2013.01); G02F 1/133528 (2013.01); B32B 2305/55 (2013.01); B32B 2307/42 (2013.01); G02C 7/12 (2013.01);
Abstract
The present application relates to an optical film and a use of the optical film, and can provide an optical film exhibiting selective transmission and blocking characteristics according to viewing angles, and such an optical film can be usefully used as a security film for a display device such as LCD, a smart window, sunglasses and the like.