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. 27, 2017
Filed:
Mar. 04, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Suk-Il Youn, Daejeon, KR;
Nam-Jeong Lee, Daejeon, KR;
Sang-Min Kwak, Daejeon, KR;
Kyung-Jae Kwon, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/20 (2006.01); G02B 5/30 (2006.01); G02B 5/22 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/208 (2013.01); G02B 5/22 (2013.01); G02B 5/3025 (2013.01); G02B 1/04 (2013.01);
Abstract
There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phrμmin a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phrμmin a wavelength band of 330 to 400 nm, an acrylic resin, and a hindered amine light stabilizer (HALS), and a polarizing plate including the same.