Transparent hard coat film, transparent conductive hard coat film, touch panel using this film, and liquid crystal display device using this touch panel
US7554615B2 · kind B2 · utility
6Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Mar 12, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/045
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A transparent hard coat film having excellent hardness and transmitted resolution, in which an interference fringe attributable to non-uniform thickness of the transparent hard coat layer is not noticeable, is provided. The transparent hard coat film of the invention has a transparent hard coat layer formed on at least one surface of a transparent polymer film, wherein the transparent hard coat film has a b* value in the L*a*b* color space system of 0.5 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.