Sol-gel based transparent functional coatings such as easy-to-clean coatings, anti-glare coatings, and UV durable hydrophobic coatings have been developed for display applications and expanded to future mobility applications. These coatings can be applied by a spray process on the glass substrates followed by low temperature curing. The easy-to-clean coatings exhibit high water contact angles with excellent wear durability. As a result, the easy-to-clean coatings also act as a scratch resistant coating for glass substrates. In addition, easy-to-clean coatings show a silky touch feel with a very low coefficient of friction. Anti-glare coatings have a gloss value between 50 to 100 gloss unit, a pencil hardness ≥8H, and no sparkling issues on touch screen displays. A coating stack of easy-to-clean coating on anti-glare coatings on glass substrates combines both attributes on one surface of touch screen displays. New UV durable hydrophobic coatings have now been developed for potential target applications such as sensors and cameras for the vehicles of both today and tomorrow.

Sol-gel based transparent functional coatings: From display to future mobility

256th National Meeting (2018)

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