Button input device using E-paper

摘要

Provided is a button input device using electronic paper (E-paper). The button input device includes: a button including a transparent window and at least one base portion downwardly protruding from an outer edge of the window; the E-paper including a display region disposed under the window, and at least one hole disposed outside the display region and allowing the base portion of the button to be inserted thereinto; an elastic member disposed under the E-paper and elastically deformed by the base portion of the button when the button is pressed; and a switch circuit board including a switch disposed under the elastic member at a position corresponding to a lower end of the base portion of the button and generating a signal when the button is pressed.