The University of California at Berkeley has developed an incredibly thin "electronic skin" that is essentially a flexible plastic sensor network, but is capable of responding to light touches. If more pressure is applied to it, the organic light-emitting diode ( OLED ) of the electronic skin can be brighter. The sheet was developed based on the early research of semiconductor nano-transistors in Javey. 
This "electronic skin" touch response can also be used for medical applications and interactive displays.
The electronic skin consists of a thin film transistor, a pressure sensor, and an OLED that are arranged in a 16x16 matrix that can display red, blue, and green. According to the researchers, they can be easily mounted on any surface.
The study was supported by the US Department of Defense's Advanced Research Projects Agency (DARPA), in addition to robotic skin (lighted up when touched), and other areas that may be applied include touch-screen ratio display dashboards (helping to control cars). .
I can also imagine it being used in areas such as arm bandages in health monitoring, continuous blood pressure testing and pulse. Javey is now modifying the sensor for electronic skin to enable it to react to temperature and light.
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