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Z,lenz / mobile phone accessories


In about cellular phone use in cell phone case and functional + walking dangerousness improvement,

The smart phone circumferential evil tax frost which has the function of range of vision security of the user

It respects the convenient characteristic of the user from the cellular phone case problem solution

It emphasizes a carrying result use characteristic,

Smart phone -> electrical component of high price -> cellular phone case necessity

Cellular phone case -> dangerous exposure improvement of user -> ((Z, lenz))

It uses to as usual with the mirror,

It uses the refraction of the light,

There is a possibility of seeing the front.


Chungju National Univ.

Chungju National Univ.
Chungju-si, South Korea


Chungju National Univ.

Chungju National Univ.
Asan-si, South Korea

Hwang yeong hak