Patent · US Active

Thin protective display film

US10005264B2 · kind B2 · utility

10Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2015
Grant dateJun 26, 2018
Priority date
Expiry dateMay 15, 2036

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 having a 0.2% offset yield stress greater than 110 MPa and a transparent aliphatic cross-linked polyurethane layer having a thickness of 100 micrometers or less disposed on the transparent polymeric substrate layer. The transparent aliphatic cross-linked polyurethane layer has a glass transition temperature in a range from 11 to 27 degrees Celsius and a Tan Delta peak value in a range from 0.5 to 2.5. The display film has a haze value of 2% or less.

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