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With the widespread application of TFT display screen, more and more smart terminals are being purchased, and many purchasers have questions about testing TFT displays. On the one hand, they want to know how TFT display screen manufacturers inspect them, and on the other hand, terminal manufacturers with conditions must also perform their own testing after receiving goods. Today, let's talk about the TFT display testing method.
Visual inspection is to inspect the appearance with the eyes, check whether the appearance is good, whether there are foreign objects, hair, dust, etc. problems, and also check whether the surface of the TFT display screen has scratches, is easy to tear, whether the surface protective film is correct, production date, model whether silk screen printing is required, etc.
Electrical measurement is to check the TFT display by powering the motherboard or the display test box. It mainly looks at whether the display effect is good, whether there are bright spots, display anomalies, color uniformity, shadows, defects, etc. Electrical measurement is a very important part of TFT LCD screen testing, and problems can usually be quickly tested.
The most important part of TFT display testing is the test inspection. Generally, professional TFT display manufacturers perform constant temperature and humidity, 72hour power-on aging and other ORT reliability testing before leaving the factory to ensure that the product is reliable and stable, and is qualified after passing the test.
The above three methods are the common TFT display screen testing methods. When smart terminal manufacturers receive TFT displays, they can also perform this series of inspections. True gold fears no fire, and good products can withstand scrutiny.
As a professional TFT display supplier in China, KINGTECH has been specialized in producing 1.2-10.4 inch TFT LCD screens since 2003. We have good resources: a strong team and advanced management production bases with ISO9001, ISO14001, and TS16949 certification.
As an LCD panel company, KINGTECH has high-brightness LCD screens, SPI LCD screens, circular LCD screens, bar LCD screens, sunlight-readable LCD screens, IPS LCD screens, and trans-reflective LCD screens. If you want to buy special thin-film transistor LCD screens or custom LCD modules, we can also provide them.
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