| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a display device capable of switching advertisement contents and advertising under no influence of environment of iron powder, moisture, etc. <P>SOLUTION: The display device has a first display unit composed of a display and a second display unit provided adjacently to the first display unit, where the second display unit displays external frame information displayed by printing etc., and the first display unit displays image information corresponding to the external frame information. Here, for example, electronic paper is applied as the first display unit. <P>COPYRIGHT: (C)2009,JPO&INPIT |
