Dynamic energy-saving chip of LED display screen and connecting structure
A LED display, dynamic technology, applied to static indicators, instruments, etc., can solve problems such as abnormal display, and achieve the effect of saving standby power consumption and reducing static power consumption
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[0032] Example one:
[0033] A dynamic energy-saving chip for LED display, see figure 1 , Including shift register 1, latch 3, gray data detection module 4, oscillator 2, standby detection module 5, LED constant current drive module 6 and constant current setting module 7;
[0034] Among them, one input of the shift register 1 is used as the data input port SDI of the LED display dynamic energy-saving chip, and the other input of the shift register 1 is used as the clock input port CLK of the LED display dynamic energy-saving chip. The data output terminal is used as the data output port SDO of the LED display dynamic energy-saving chip;
[0035] The display output terminal of the shift register 1 is respectively connected to the input terminal of the latch 3 and the input terminal of the gray-scale data detection module 4, and the output terminal of the gray-scale data detection module 4 receives an input terminal of the machine detection module 5. The output terminal of the oscill...
Example Embodiment
[0051] Embodiment two:
[0052] A connection structure for a dynamic energy-saving chip of an LED display screen, comprising a piece of the above-mentioned dynamic energy-saving chip for an LED display screen;
[0053] Among them, the data input port of the dynamic energy-saving chip of the LED display is connected to external gray data, the clock input port of the dynamic energy-saving chip of the LED display is connected to an external clock signal, and the drive output port of the dynamic energy-saving chip of the LED display drives the LED display.
[0054] The connection structure provided by the embodiment of the present invention is briefly described. For the parts not mentioned in the embodiment, please refer to the corresponding content in the foregoing product embodiment.
Example Embodiment
[0055] Embodiment three:
[0056] A connection structure for LED display dynamic energy-saving chips, including K pieces of the above-mentioned LED display dynamic energy-saving chips;
[0057] All LED display dynamic energy-saving chips are connected in series; the data input port of the first LED display dynamic energy-saving chip is connected to external gray data, and the clock input port of all LED display dynamic energy-saving chips is connected to an external clock signal;
[0058] Except for the last one of the LED display dynamic energy-saving chip, the data output port of the LED display dynamic energy-saving chip is connected to the data input port of the next LED display dynamic energy-saving chip, and all LED displays are dynamically energy-saving The drive output port of the chip drives the LED display.
[0059] Specifically, in the connection structure of the present invention, multiple LED display dynamic energy-saving chips are cascaded, and the previous LED display d...
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