"TDK provides a wide variety of products for Display Technology. including haptics, transparent film and more.
TDK’s PowerHap™ and PiezoHapt™ piezo actuators with haptic feedback deliver the sense of touch through vibration or other mechanical motion. PowerHap and PiezoHapt can also save power compared to conventional solutions and are ideal for smartphones and tablets, automotive, medical and other display interface applications. TDK PiezoListen™ Ultra-Thin Piezo Speakers transform virtually any surface into a speaker without compromising the existing structural design and can be attached directly to OLED and LCD displays as well as on the back covers of display panels. "