BUTTON INPUT APPARATUS WITH DISPLAY FUNCTION AND PORTABLE ELECTRONIC DEVICE HAVING THE SAME

摘要

Provided are a button input apparatus with a display function, which generates a switch signal in response to a user's press, and a portable electronic device having the same. The button input apparatus includes: a plurality of lever buttons having a transparent window, in at least a portion of each of the lever buttons, one edge of each of the transparent windows being fixed, and other edges of each of the transparent windows being elastically vertically biased; a switch substrate, which is disposed below the plurality of lever buttons, includes openings respectively corresponding to the transparent windows, and generates a switch signal according to a motion of any of the plurality of lever buttons via a plurality of switches disposed to respectively correspond to elastic parts of the lever buttons; and a display panel, which provides an image in an area corresponding to each of the transparent windows, at least a portion of the display panel being disposed below the plurality of lever buttons. The portable electronic device includes: the button input apparatus; and a button display controller displaying images changed according to a signal of the switch in areas of the display panel respectively corresponding to the transparent windows.