Back in October, the U.S. Patent Office published a Samsung patent application 20190316278 titled "Woven Pattern Housing and Electronic Device." The patent figures below show that Samsung is considering the use of a thermoplastic polyurethane yarn that may be used to fabricate a Galaxy smartphone protective case that could convey messages on the front and/or back covers such as a battery indicator, time of day and alarm information as noted in the patent figures below.
Samsung envisions that they could extend this lighting material process to a possible future smart speaker cover as presented below .
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