GRAPHENE TOUCH SENSOR USING PIEZOELECTRIC EFFECT

摘要

PURPOSE: A grapheme touch sensor using a piezoelectric effect is provided to recognize a pressure application point by using electric conduction variation of grapheme. CONSTITUTION: A first graphene pattern(120a) is formed on a lower substrate(100). A piezoelectric material film(140) is formed on the first graphene pattern. A second graphene pattern(120b) is formed on the piezoelectric material film. A cover film(200) is formed on the second graphene pattern.