| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a display such a LCD from continuing the same display for a long time to contribute to prevention of image persistence on the display. <P>SOLUTION: A display device having a display installed rotatably, includes a switching circuit for changing the screen display of the display according to a rotational position of the display and a message display circuit for displaying a message urging a rotational operation on part of a screen of the display if the display is not rotated for a predetermined time and holding the message until the display is rotated. <P>COPYRIGHT: (C)2012,JPO&INPIT |
