| 摘要 |
<p>The present invention relates to an LED advertisement apparatus which can save energy and display various advertisement images by disposing a transparent window on the front surface of an LED panel, disposing a printed film layer on which an advertising image is printed on the upper surface of the window, and selectively operating an LED module which is mapped to an advertising image pattern of the printed film layer, only during dark hours, and not turning on an additional lighting device during bright hours.</p> |
