A smart folder device for performing display and copy of digital contents, the device comprising:
- a screen folder having a folder structure including a cover front surface, a cover rear surface, a cover side surface for connecting the cover front surface and the cover rear surface, a cover first inner surface opposite to the cover front surface, a cover second inner surface opposite to the cover rear surface, and a pocket surface attached on the cover second inner surface, wherein digital contents are displayed on at least one among the cover front surface, the cover rear surface, the cover side surface for connecting the cover front surface and the cover rear surface, the cover first inner surface opposite to the cover front surface, the cover second inner surface opposite to the cover rear surface, and the pocket surface attached on the cover second inner surface;
- and
- a screen paper which is implemented in a form of a paper on which digital content are displayed, is inserted between the pocket surface and the cover second inner surface of the screen folder, wirelessly communicates with the screen folder, and transmits digital contents to the screen folder or receives digital contents from the screen folder and stores and displays the digital contents,
- wherein the screen folder includes:
- a folder wireless communication unit for wirelessly communicating with the screen paper;
- a folder memory for storing digital contents;
- folder touch screen panels provided on each of the cover front surface, the cover rear surface, the cover side surface, the cover first inner surface, the cover second inner surface, and the pocket surface;
- a wireless tag sensing sensor located on the cover second inner surface to sense an identification number of a wireless tag of a screen paper inserted in a space between the cover second inner surface and the pocket surface;
- and
- a folder control unit for displaying the digital contents stored in the folder memory on the cover first inner surface, and, while a wireless tag of the screen paper inserted in the pocket surface is sensed, performing a copy function of transmitting the digital contents stored in the folder memory to the screen paper if a preset user's transmission handling is sensed, and performing a storing function of receiving digital contents wirelessly transmitted from the screen paper and storing the digital contents in the folder memory if a preset user's reception handling is sensed.