| 摘要 |
An afterimage display device attached to a rotary body is provided to maintain airtightness between an outside and a fixing unit by using the fixing unit. A display device using an afterimage effect is attached to a rotary body. The display device includes an afterimage display unit(100) for displaying text or image data by using an afterimage effect of light according to a swing or rotating operation. The display device further includes a fixing unit for coupling the afterimage display unit with front wheels or rear wheels of the rotary body. The afterimage display unit includes a memory part(10) for storing contents of text or image data, a light source part(20) for displaying afterimages of the text or image data, a switching unit(30) for adjusting on/off states of a power supply, and a control unit(40) for controlling the light source part in order to display the afterimages of the text or image data. |
