Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
While we are studying，light mostly comes from the ceiling，which makes it always be blocked by our hands or heads. In this case，the darkness would make it hard for us to study，which affects our vision a lot. The ring-shaped LED light on the top of pen can follow our handwriting. The design of this light can guarantee the brightness of use coverage.
Bai Li, Zhenxi Jia, Xuan Liu, Yanxiao Wang