Surface protection film, capacitive touch panel, and image display device
US10180762B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Jul 17, 2015 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Jul 17, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04103
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided are a surface protection film which would stably display an image, and would stably attain a mirror state, and which would be stably operated without inhibiting display operability.Disclosed is a surface protection film including a resin film and a pressure-sensitive adhesive layer, in which the relative permittivity of the resin film is of 1.0 to 5.0, the reflectance is set to a value within the range of 20% to 80%, and the transmittance for light is of 20% to 80%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.