| 摘要 |
<p>The device has a housing with a peripheral metal frame (2a) and a single- or dual-sided light emitting diode display with a control computer (11) and a mains stage (12), whereby the LEDs are mounted on a carrying plate (14b) and the control computer and mains stage are mounted on a holding plate. The carrying and holding plates are made of aluminum or copper. The holding plate and/or the carrying plate has at least one edged end coupled to at least one side (3-6) of the aluminum or copper frame of the housing in thermally conducting manner.</p> |
