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When we write,always insufficient lighting,harm eyes result vision to deepen,with"take the lamp on the pen"this idea to design the product,put in the pocket,and it can absorb solar energy.
When I was child,my mother always say the light is too dusky,so I think put the lamp on the pen is not have this trouble.Inspired by compasses,bending inspired by the straw,the power is solar energy,no battery.
We can't worry about write in the dusk or insufficient lighting,any pen can use it.
Ming Chuan University, MCU
Taipel city, Taiwan