Electronic equipment and electronic systems

An object of the present invention, there is provided regardless of which data can be read, input data by directly touching the keyboard displayed on the screen, the touch keypad or indirectly with a stylus, and use the user input data is arranged in a position novel electronic devices. A first transistor on a substrate comprising electrically connected to the reflective electrode, and a photo sensor. The touch input keys displayed on the first screen region of the display portion is displayed as a still image, and outputs a video signal to cause the moving image displayed on the second screen region of the display portion. It comprises a video signal processing section supplies different signals between in the case where a still image is displayed on the display section, and a moving image displayed on the display section.