Embedded programmable multi-wave shape PDLC (polymer dispersed liquid crystal) driving power supply and control method
A drive power, multi-waveform technology, applied in the direction of instruments, static indicators, etc., to achieve the effect of easy control, flexible and convenient use, and small size
Inactive Publication Date: 2012-07-18
UNIV OF SHANGHAI FOR SCI & TECH
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The invention relates to an embedded programmable multi-wave shape PDLC (polymer dispersed liquid crystal) driving power supply and a control method, wherein a signal collecting module collects an output signal of a PDLC in real time and sends the output signal to an ARM (Advanced RISC Machines) control module, the ARM control module outputs a control signal to a signal generating module, the output signal of the signal generating module is modulated by a signal modulating module and is amplified by a power amplifying module, and the amplified signal is sent to a boosting module to be boosted so as to drive an LCD (liquid crystal display) touch screen. According to the invention, the polymer dispersed liquid crystal material is driven to generate an electric control phenomenon on the light, and a single path is adjustable and controllable, the output signal of the PDLC is collected and displayed on the touch screen. The system of the invention provides an experiment foundation for research on photoelectric properties of PDLC material, and the system integrates such functions as driving the power supply, controlling and adjusting the signal, displaying the wave shape and collecting data, and the like; besides, the system is small in volume, easy to control and convenient and flexible in application.
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