| 摘要 |
<p>A system comprising a display, a transparent backlight and a cavity containing objects is disclosed. In a given mode, the backlight is switched off in order to make it transparent and the objects in the cavity when lit up using lamps are viewable through the display and the backlight. In another mode, when the backlight is switched on it functions as a normal backlight for a display and images can be shown on the display. Various intermediate modes of operation have also been specified. Such a system can be used as a showcase.</p> |
