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:
Oct. 22, 2024
Filed:
Jan. 31, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Na Young Shin, Daejeon, KR;
Kyun Il Rah, Daejeon, KR;
Jin Seok Byun, Daejeon, KR;
Yeong Rae Chang, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 7/12 (2006.01); B32B 23/08 (2006.01); B32B 23/20 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); C08F 122/10 (2006.01); C08K 7/26 (2006.01); G02B 1/08 (2006.01); G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B32B 7/12 (2013.01); B32B 23/08 (2013.01); B32B 23/20 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); C08F 122/1006 (2020.02); C08K 7/26 (2013.01); G02B 1/08 (2013.01); G02B 5/208 (2013.01); B32B 2255/00 (2013.01); B32B 2307/42 (2013.01); B32B 2307/732 (2013.01); G02B 2207/107 (2013.01);
Abstract
An optical laminate, including: a polarizing layer; and a porous layer formed on at least one side of the polarizing layer, wherein the polarizing layer includes zinc component, and wherein an absolute value of a change in an amount of color coordinate a* of CIE L*a*b* according to Equation 1 is 2 or less:Δ [Equation 1]