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no colour film / 手机贴膜

no colour film
no colour film

n the current era of rapid development of science and technology, mobile phone has become an indispensable device in People's Daily life,so that people rely on mobile phone more and more.
The colorless film can sense the length of time the phone is used according to the length of time the phone emits light, so as to adjust the color of the phone and gradually turn to gray,reminding people to put down the phone, do something else or let their eyes rest for too long.

University

University of Electronic Science an

University of Electronic Science an
Zhongshan, China

Ziling Yang,
University of Electronic Science an