| 摘要 |
A case of electronic device and a method thereof are provided to selectively display desired color, character, and picture etc by using an electronic paper including an electronic ink. An electronic device includes an electronic part and a case surrounding the electronic part. An electronic paper(15) is prepared in the case of the electronic part, and includes an ink changing arrangement in response to change of electric field supplied from outside. An electronic paper driving part(20) generates a signal for controlling arrangement of the electronic ink included in the electronic paper, and includes a memory(21), a pattern selection part(23), a display signal generation part(25), and a pattern generation part(27). |
