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Carbon nanobud films offer haze-free reading on touch screens

Posted: 06 Apr 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Carbon NanoBud? conductive film? capacitive touch? resistive touch?

Thinner, sleeker touch devices are the targets of Canatu's 23?m-thin Carbon NanoBud (CNB) conductive film. The film is flexible and can withstand stresses observable with implementing resistive or capacitive touch sensors in devices.

The new transparent film is over 50 per cent thinner than before, enabling 1-layer touch at 23?m and 2-layer touch at less than 100?m thickness, claims the company. This film complements a portfolio which covers substrate thicknesses of 23?m, 50?m, 100?m and 130?m. The new CNB Film enables truly foldable touch devices, tested to withstand more than 150,000 bends at bending radii of less than 2mm.

Canatu CNB film

Because CNB thin film material has inherently zero reflections and zero haze, it offers excellent readability indoors and outdoors. The optical grade of the substrate material has now been improved, meaning light transmission is at its peak, and substrate-originated diffuse and specular reflections and haze are eliminated.

In touch sensor use, the haze is less than 0.2 per cent. The viewing result is sharp with high contrast images, clearer colours and more readable text on touch screens and displays. A higher contrast ratio also helps increase the battery life in electronics devices by up to 20 per cent because less back light power is needed.

- Julien Happich
??EE Times Europe

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