[Guide] Car LED display is the use of LED technology, GSM / GPRS technology, low temperature technology, anti-static technology, anti-jamming technology, automotive electronics technology to display information products on mobile cars. It is different from a normal LED display installed in a fixed location. The reason is car and advertising.
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High stability and reliability
Cars are always moving, and they require high stability and reliability of electronic products.
Stable power system support
The power supply on the car is powered by a battery. When the car starts, brakes, and stops, it will generate a high pulse voltage. If the power system is not good, the display will burn out.
Wide operating temperature range
Cars in the North are generally placed outdoors. Winter temperatures may reach -40 ° C, summer temperatures may reach 60 ° C, which requires power and display components to work at wide temperatures.
Good anti-static measures
Cars are prone to static electricity during operation, especially in the fall, electrostatic high voltage can reach thousands of volts, if there is no good anti-static measures, it is easy to damage IC and LED lights.
Suitable brightness
Appropriate brightness, if the brightness of the LED display is not enough, it will not be visible during the day, and the meaning of installing the display will be lost; if it is too bright, it will affect the driving.
LED brightness attenuation
LED attenuation characteristics, LED brightness is attenuated, 10-70% attenuation rate in a year, half-year brightness is reduced by half, resulting in invisible display content.
Others have appearance dimensions and the like.
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