| 摘要 |
The present invention relates to a multi-sectioned, billboard-mounted light-emitting device comprising: a mounting frame onto which one or a plurality of partition pieces are joined by being slotted in a detachable fashion, and on the front of which are formed a plurality of billboard housing space parts; a light-emitting-diode module in which a plurality of LEDs are provided at predetermined intervals; a light-guide plate which surface emits due to the LEDs; a back-surface plate devised such that the light generated from the light-guide plate is emitted towards the front surface; and a billboard plate which is provided on the front surface of the light-guide plate while being received in a detachable fashion at a size matched to each of the billboard housing space parts which are section bared by means of the partition pieces.
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