Patent ID: 7915556

Claim:
An input panel, applicable for a portable electronic device, the input panel comprising: a switch sheet, comprising: a circuit board, having at least one contact pad; and at least one dome switch, disposed on the contact pad; a touch-sensing sheet, disposed on the switch sheet for sensing a touch action, wherein the touch-sensing sheet comprises: a keypad lens; a sensing circuit board, for sensing the touch action; and a supporting sheet, wherein the sensing circuit board is disposed between the keypad lens and the supporting sheet; an interposing sheet, disposed between the switch sheet and the touch-sensing sheet, wherein the touch-sensing sheet contacts the dome switch when the touch-sensing sheet is pressed, so that the dome switch is deformed elastically to switch on the contact pad; and an enter key cap having a pressing portion, wherein the keypad lens has a first opening, the pressing portion has a shape substantially consistent with that of the first opening, so as to be disposed into the first opening, the supporting sheet has a second opening corresponding to the first opening, and at least a part of the second opening is covered by the interposing sheet.