Driving control system for overturn row-by-row and its method and LED display screen
A technology for LED display and drive control, applied in energy-saving control technology, static indicator, semiconductor/solid-state device manufacturing, etc. Normal operation, avoid voltage noise, reduce the effect of the instantaneous change of current
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[0043] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] FIG. 1 is a schematic diagram of the circuit principle of the column-by-column inversion control device 12 of the present invention. In this embodiment, the column-by-column inversion control device 12 is used for an LED display screen 10, and the LED display screen 10 is mainly used for receiving external images, Signals such as text are then displayed on the LED display screen by controlling and driving the LED lights L1, L2, L3...Ln, but it is not limited to this.
[0045] The LED display screen 10 of this embodiment mainly includes several LED lamps L1, L2, L3...Ln, several driving circuits Q1, Q2, Q3...Qn, an information collection circuit 11, and a column-by-column flip control device 12, which will be described in detail below . The drive circuits Q1, Q2, Q3...Qn, the information collection circuit 11 and the column-by-column inversion control device 1...
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