LED (light emitting diode) display panel driving device, display system and equipment

2012 
The utility model is applicable to the field of LED (light emitting diode) display and provides an LED display panel driving device, a display system and equipment. The device comprises a plurality of driving units, an LED lamp and a data switch control unit, wherein each driving unit comprises a driving module and a driving port corresponding to the driving module, the driving port is multiplexed as a scanning end and a data switch end, the LED lamp is connected with the driving unit, sequentially uses partial or all driving ports as the scanning ends and controls positive electrodes/negative electrodes selected by the driving units to be connected to the scanning ends, the selectively illumined positive electrodes/negative electrodes are connected to a scanning control unit of the LED lamp of the data switch end, and the data switch control unit is respectively connected with the driving unit and the scanning control unit, sets all the rest driving ports or the rest parts except the scanning ends as data switch ends, reads display data according to scanning control signals of the scanning control unit and provides the display data for corresponding driving units.
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