| 摘要 |
<p>The present invention relates to an LED display board having a foreign substance shielding apparatus for preventing foreign substances such as rain water or the like from being introduced to LEDs. The LED display board according to the present invention includes: a substrate wherein LED arrays of a plurality of LEDs arranged in the horizontal direction are installed in a plurality of columns; an outer frame with an open front portion to have the LED arrays exposed to the outside, accommodating the substrate; and a foreign substance shielding apparatus. The foreign substance shielding apparatus includes: a plurality of foreign substance shielding plates placed in the horizontal direction inside the outer frame to be parallel to the ground and disposed on the upper parts of the LED arrays respectively; a falling groove prepared in the middle of the foreign substance shielding plate to drop a foreign substance falling onto the foreign substance shielding plate in the lower direction; and a plurality of supports connected to the foreign substance shielding plates vertically.</p> |
