| 摘要 |
<p>PROBLEM TO BE SOLVED: To use a display device 16 capable of changing an image, pattern, and color in electrical manner at any time, and allowing a user to change decoration at an arbitrary timing.SOLUTION: Electronic paper 16 is fixed to a part of a case and a cover of a smart phone 12. An image 46 for decoration is displayed thereon. A circuit 18 is provided for rewriting an image. Further, a connector 20 for connection to the smart phone 12 is provided to supply a power source. The display image 46 is transferred by an application of the smart phone 12, for rewriting. After rewriting of the image 46, the connector 20 is removed. The connector 20 may be used only when rewriting of an image is required. After rewriting of the image, decoration is held as it is with no power source connected. By utilizing a coloring panel such as an electrochromic display, decorative effect is further improved.</p> |
