The working temperature range of LCD screen is divided into: normal temperature 0-50 degrees, wide temperature -20-70 degrees, ultra-wide temperature -30-80 degrees, some customers will choose -40 degrees very special materials to design. So, can the LCD screen still work normally at extreme temperatures?
In fact, this question is a bit ambiguous. We know that, for example, the working range of wide temperature is -20-70 degrees, then first of all, in the environment below minus 20 degrees and higher than 70 degrees, the LCD screen cannot work theoretically. , If the temperature has not reached 70 degrees and minus 20 degrees, but it is very close, it can be said to be the limit temperature, can the LCD screen still work normally?
From the principle of the LCD screen, it is very easy to explain. The reason why the LCD screen can display various patterns or pen segments is because the liquid crystal in the liquid crystal box is working, and the liquid crystal screen, as the name suggests, is liquid and must be affected by the environment. Influence, when the temperature is high, the liquid crystal will heat up, the flow speed will increase, and the feedback on the display is that the color will become very dark; and when the temperature is low, the liquid crystal will begin to crystallize, the flow will become slower, and the color on the display will change. Very shallow, it is not that it cannot be displayed normally, but that the normal time is much slower than that at room temperature.
So everyone should be able to understand, the working temperature is from the LCD screen, it just means that it can work within this temperature range, and it will not be displayed or refreshed due to environmental factors.
In this way, taking the wide temperature LCD screen as an example, starting from minus 5 degrees and 50 degrees above zero, the display rate will start to change. When it reaches minus 20 degrees and 70 degrees above zero, it will reach the limit temperature and feedback to the screen. If there is no display or a dark state, it can no longer be used, so Yilikai LCD usually advises customers that if the actual use temperature is already close to the limit temperature, then you must choose a wider temperature range LCD screen. use.
