Patent · US Active

Dual cure protective display film

US11631829B2 · kind B2 · utility

0Cited by

18References

37Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Karissa L. Eckert · Cottage Grove, US
David Scott Thompson · Lake Elmo, US
Ryan M. Braun · Windom, US
Catherine A. Leatherdale · Woodbury, US
Michael A. Johnson · Stillwater, US
Steven D. Solomonson · Shoreview, US
Richard J. Pokorny · Maplewood, US
John J. Stradinger · Roseville, US
Kevin R. Schaffer · Woodbury, US
Joseph D. Rule · Woodbury, US
Peter D. Condo · Lake Elmo, US
Derek W. Patzman · Savage, US

Key dates

Filing date	Nov 30, 2017
Grant date	Apr 18, 2023
Priority date	—
Expiry date	Feb 18, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldSurface technology, coating
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.