Design Quality Design Award Winner.
Awarded for Good Design Quality and Innovation.
Hot 20S is a smartphone with a color changing back cover. The back cover combines photochromic ink and luminescent ink in one finish. In daylight, ultraviolet light turns the surface blue violet and reveals a graphic pattern. In a dark environment, the same surface glows blue green and shows the opposite effect. Three color states are produced without any power consumption. The finish is made through twenty processing steps, careful polishing and controlled color mixing. The aim is to add surprise and emotional value to daily phone use.
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