| 摘要 |
PURPOSE: A light emitting diode electronic display is provided to improve instantaneous recognition power by installing a duple or triple LED sing unit additionally. CONSTITUTION: A sign display unit(2) and a display unit(3) are mounted in an electronic display module box. A power supply unit(4) and the controller drive the sing display unit and an information display unit separately while maintaining real time information and an advertisement. An LED sign is formed in the part of a light emitting diode commercial panel. The LED sign unit performs only sequential flickering without displaying number or character.
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