Stacked transparent film and window for display device and display device
US10809421B2 · kind B2 · utility
5Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2017 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Mar 6, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A stacked transparent film includes a polymer film including at least one of an amide structural unit and an imide structural unit, wherein the polymer film has a refractive index of about 1.65 to about 1.75 at a 550 nanometer wavelength and an elastic modulus of greater than or equal to about 5.5 gigapascals; and at least one of a first coating layer on a first side of the polymer film and a second coating layer on a side opposite the first side of the polymer film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.