Patent ID: 8884747

Claim:
A haptic feedback device comprising: a haptic device receiving contact pressure applied thereto; and an actuator module being in contact with a lower surface of the haptic device and excited according to variations in contact pressure with the haptic device to generate vibrations, wherein the actuator module comprises: at least one piezoelectric element generating vibrations; and at least one vibration plate having the at least one piezoelectric element mounted thereon and transferring the vibrations of the at least one piezoelectric element to the haptic device, wherein the at least one vibration plate comprises: a body portion having a predetermined length; and bent portions individually bent at both ends of the body portion to extend towards the body portion in a lengthwise direction thereof, and wherein the at least one vibration plate further comprises a damper in a space between the body portion and the bent portion, the damper suppressing vibrations of the at least one vibration plate.