| 摘要 |
PROBLEM TO BE SOLVED: To provide an LED display unit and an LED information display device which are free from the fear of dropping the LED display unit erroneously in the case of fitting the LED display unit to the fitting frame of the LED information display device. SOLUTION: An operator holds the LED display unit 21 and hooks a L-shaped coming-off prevention piece 24 formed on the rear surface of the unit 21 from the rear surface side of the fitting frame 11 to a horizontal bar for coming-off prevention 15 of the frame 11. Next, the unit 21 is rotated clockwise with the bar 15 as a center to be flush with the unit 21 adjacent to its upper/lower sides to be connected by a fixing means 17. Fixing operation is possible only from the side of the rear surface of the LED information display device.
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