Touch screen panel, electronic notebook, and mobile terminal

An electronic notebook comprising:

• an electronic paper configured to sense a touch input of a user and display an image corresponding to the touch input;
• and
• a main body coupled to the electronic paper,
• wherein:
• the electronic paper includes a liquid crystal, and a first transparent electrode and a second transparent electrode which are provided at both sides of the liquid crystal;
• and
• the main body includes an electronic paper driver configured to transfer image data to the first transparent electrode and the second transparent electrode in a first mode and sense a touch of the user on at least one of the first transparent electrode and the second transparent electrode in a second mode.

A mobile terminal comprising:

• a touch screen configured to sense a touch input of a user and display an image corresponding to the touch input;
• a main display configured to display the image;
• and
• a controller configured to control the touch screen and the main display,
• wherein:
• the touch screen includes a liquid crystal, and a first transparent electrode and a second transparent electrode which are provided at both sides of the liquid crystal;
• and
• the controller transfers image data to the first transparent electrode and the second transparent electrode in a first mode and senses a touch of the user on at least one of the first transparent electrode and the second transparent electrode in a second mode.