FIELD: image forming devices.
SUBSTANCE: invention relates to a light emitting diode (LED) display device. LED display device comprising LED display, the voltage supplying parts of which can supply multiple types of voltage, and an excitation device which excites said LED display using the aforementioned multiple types of voltages, which can supply said supply voltage parts, wherein said excitation device switches the combination of said array of LEDs in the target group to turn on and said excitation device includes some LEDs that must be turned on using one of the mentioned multiple types of voltages.
EFFECT: technical result consists in providing a technique capable of reducing the power consumption of the LED.
5 cl, 6 dwg, 1 tbl
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Authors
Dates
2019-01-16—Published
2016-07-01—Filed