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Last updated: August 15th, 2018 at 12:59 UTC+02:00
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The coating is described as a “film” or “laminate” in the patent with its composition including compounds like polyhedral silsesquioxane and polyrotaxane. Keep in mind that oleophobic coatings for cover glass are not new. These coatings are meant to keep fingerprint spots off of the glass panel. Samsung's patent mentions a self-healing coating.
It's pertinent to not let your imagination run amok here. A self-healing oleophobic coating won't miraculously repair the glass if it shatters on impact. The main purpose of this coating is to keep fingerprint spots at bay and it can do a reasonable job at that.
The coating may wear off with prolonged use of a smartphone so a self-healing oleophobic coating will simply ensure that the ability of the cover glass to withstand fingerprint spots doesn't falter over time. It may also offer improved protection against nominal scratches and abrasions. It certainly won't do anything to stop cracks.
With an increasing number of Samsung smartphones opting for a glass and metal sandwich design, it would make sense for the company to start applying a more durable oleophobic coating to its handsets. It will be useful for its customers in the long run as well, particularly since people seem to be holding on to their flagship smartphones for longer these days owing to the rising prices in the high-end segment.
It's pertinent to mention here that Samsung has merely patented this right now and it's not known for sure if and when it will start using this coating for its smartphones. The company did reveal its unbreakable display glass recently which is more durable than Corning's latest Gorilla Glass 6. We'll likely see that technology come to market first before this self-healing oleophobic coating does. The two would make for a good pair, though.
Adnan Farooqui is a long-term writer at SamMobile. Based in Pakistan, his interests include technology, finance, Swiss watches and Formula 1. His tendency to write long posts betrays his inclination to being a man of few words.
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