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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.:

US 11631829 B1

PDFFull Text
Date of Patent:
Apr. 18, 2023

Filed:

Nov. 30, 2017

Dual cure protective display film

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Karissa L. Eckert, Ham Lake, MN (US);

David Scott Thompson, Bayport, MN (US);

Ryan M. Braun, St. Paul, MN (US);

Catherine A. Leatherdale, Woodbury, MN (US);

Michael A. Johnson, Stillwater, MN (US);

Steven D. Solomonson, Shoreview, MN (US);

Richard J. Pokorny, Maplewood, MN (US);

John J. Stradinger, Roseville, MN (US);

Kevin R. Schaffer, Woodbury, MN (US);

Joseph D. Rule, Woodbury, MN (US);

Peter D. Condo, Lake Elmo, MN (US);

Derek W. Patzman, Savage, MN (US);

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorney:
Primary Examiner:

Ruiyun Zhang

Int. Cl.
CPC ...
B32B 27/40 (2006.01); H01L 51/52 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); C08G 18/24 (2006.01); C08G 18/34 (2006.01); C08G 18/42 (2006.01); C08G 18/66 (2006.01); C08G 18/78 (2006.01); C08J 5/18 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/524 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/308 (2013.01); B32B 27/40 (2013.01); C08G 18/242 (2013.01); C08G 18/34 (2013.01); C08G 18/4244 (2013.01); C08G 18/6625 (2013.01); C08G 18/7893 (2013.01); C08J 5/18 (2013.01); H01L 51/004 (2013.01); H01L 51/0097 (2013.01); H01L 51/5253 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2307/412 (2013.01); B32B 2307/732 (2013.01); B32B 2457/202 (2013.01); C08J 2375/14 (2013.01); C09K 2323/05 (2020.08); C09K 2323/057 (2020.08); H01L 2251/558 (2013.01);
Abstract

A display film includes a transparent polymeric substrate layer and a transparent energy dissipation layer disposed on the transparent polymeric substrate layer. The transparent energy dissipation layer includes cross-linked polyurethane and a polyacrylate polymer. The transparent energy dissipation layer has a glass transition temperature of 27 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater.

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