Optical film and image display device
US10792901B2 · kind B2 · utility
4Cited by
0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2017 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Aug 31, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/311
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
One aspect of the present invention provides a foldable light-transmitting optical film 10 for use in an image display device, comprising a resin base material 11 and a resin layer 12 provided on one surface 11A of the resin base material 11, wherein the shear storage elastic modulus (G′) of the optical film 10 at 25° C. in the frequency range from 500 Hz to 1000 Hz inclusive is 1 MPa or more and 200 MPa or less, and the shear loss elastic modulus (G″) of the optical film 10 at 25° C. in the frequency range from 500 Hz to 1000 Hz inclusive is 0.1 MPa or more and 100 MPa or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.