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:
May. 05, 2026
Filed:
May. 24, 2023
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventors:
Cheol Min Yun, Daejeon, KR;
Chun Ho Kim, Daejeon, KR;
Assignee:
SK Innovation Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/14 (2015.01); B32B 17/10 (2006.01); B32B 27/28 (2006.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); B32B 17/10 (2013.01); B32B 27/281 (2013.01); B32B 2255/26 (2013.01); B32B 2307/412 (2013.01); B32B 2307/536 (2013.01); B32B 2307/558 (2013.01); B32B 2457/20 (2013.01);
Abstract
An optical multilayer structure including a substrate; a shatterproof layer which is formed on at least one surface of the substrate and includes a polyimide film including a polyimide precursor, a polyimide, or a combination thereof including a structure of the following Chemical Formula 1, and inorganic particles; and a hard coating layer formed on the other surface of the substrate: