How to test TFT LCD display?

TFT is becoming more and more popular as TFT LCD displays are sold. How to test TFT LCD display? I believe many friends are interested, so let’s explain it below.

1. Estimate

It is estimated that you should use your eyes to test the outer surface in the middle. You only need to test whether the appearance is good and whether there are problems such as dirt, hand lint, dust, etc. In addition,cog led it is also necessary to test whether there are scratches on the surface of the TFT LCD screen, whether it is easy to tear, whether the protective film on the surface is in the appropriate position, whether the production date, model, and specifications have the required screen printing ink, which can be carried out according to the estimation method detection.

2. Electrical measurement

Electrical measurement refers to the detection after inserting the computer motherboard or display test box into the TFT LCD display.outdoor lcd digital signage The key is whether the actual display effect is excellent, whether there are flash points, whether there are any abnormalities, tonal symmetry, residual shadows, missing lines and other issues. Electrical measurement is a very core part of TFT LCD display testing and can generally detect problems quickly.

3. Experimental testing

A very important part of TFT LCD display testing is detection. Before shipment,ips vs ads panel generally professional TFT LCD screen manufacturers will conduct constant temperature and humidity equipment and conduct 72-hour plug-in aging and other reliability tests to ensure the stability and stability of the equipment. They will be delivered to customers after passing the test.

The above three methods are commonly used TFT LCD screen testing standards. Smart mobile terminal manufacturers can also conduct this series of tests on TFT LCD screens when they receive them. As the saying goes, real gold is not afraid of fire, and good equipment can withstand repeated scrutiny.

TFT LCD LCD screens

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