Dynamic LED display for public transport systems has windows sealed in frame with light and electronics module inserted through lower side

摘要

A dynamic LED (Light Emitting Diode) display (1) has outer (2) housings made of a frame with three closed sides (5, 3, 6) with the inner housing holding LED and control module mounting plates with waterproof connectors (8, 9) and fixed in the fourth side (4) and two transparent windows (11) sealed to the frame.