With the improvement of human living standards and the progress of science and technology, the application of in the society has more and more widely, but to buy , how to ensure the can be a very good application?
quality of several factors to guarantee what?
First of all, the temperature of the complex has much effect on the .
are very critical to the ambient temperature, in theory at room temperature 25 ℃ or so, its working state is the most ideal.
But in fact, outdoor in the application of the complexity of the environment temperature, the highest temperature in summer could above 60 ℃, the lowest temperature in winter may be in -
Below 20 ℃, the work under this kind of ups and downs temperature have great influence on the quality of .
Under the condition of different temperatures, red, green, blue three kinds of the brightness of the light attenuation and drop is different, at 25 ℃, the white balance is normal, but at 60 ℃, the three colors of the brightness of the leds are decreased, and the attenuation values are not consistent, so will produce the whole screen brightness decline and the phenomenon of partial color, the quality of the whole screen will drop, and high temperature, in the LED display IC will lead to work because of the high temperature is not stable, or the channel between current extraction and temperature drift or caused by too much difference between flowers screen.
So the temperature constant is very important.
The second is the importance of power supply.
Due to the power supply under the condition of different temperatures, the working stability, output voltage and load capacity will also be different, because it for the logistics function, therefore its ability to directly affect the quality of the screen.
Due to different performance and stability, brand and specifications of the power unit price also has the considerable differences.
So when the choice, must pay attention to the power supply and the performance of the match.
Finally, the cabinet design is very important for , on the one hand is its circuit protection, on the other hand is a safe, as well as dustproof and waterproof effect.
But more important is whether the ventilation cooling system of hot circuit design is good, with the increase of boot time and outside temperature, the components of the thermal drift also increases, resulting in image quality becomes poor.
Good ventilation and heat dissipation design is essential indicator of cabinet design.
But for some high-profile companies, enterprise depending on the brand for life, never easy for short-term interests and hurt their own brand image.
So in the choice of is best choose well-known trademark.
Above all is an important factor to ensure the , hope the broad masses of customers to be able to draw lessons from.
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