Industrial LCD screens have many refurbished and counterfeit products in the society so far. If we use such products, there may be great hidden dangers, which may not be seen so far, but they will slowly be exposed over time. Some problems arise, then how do we identify whether the LCD screen is original? How do we identify whether the LCD screen has quality problems?
1. Check whether the brightness of the screen is appropriate and whether the image flickers. Generally speaking, if it is an original LCD screen, the brightness will be relatively uniform, and the image will not flicker.
⒉. Check-the frequency of next refresh. The original LCD splicing screen has a 120HZ double frequency refresh rate: DID product 120Hz double frequency liquid crystal display technology can effectively solve the smearing and blurring of the image during the fast running process, enhance the sharpness and contrast of the image, and make the picture more clear. People's eyes will not be tired even if they watch for a long time.
3. Check the digital engine function of the LCD splicing screen product. The original authentic LCD screen product has a powerful V12 digital engine function, which can make the image more realistic, stable and bright. The color of the image of the refurbished product is less conspicuous, and the picture displayed on the screen is not stable.
4. Check the signal input function. Generally speaking, the original product has three signal input formats: single-channel VGA, composite video, single-channel YPbPr format and other signal format input. If the quality is poor, you can only use two types.
5. A variety of screen display modes, the original authentic LCD screen has a variety of display functions, and has a variety of screen combination splicing modes, which can be expanded to 64 channels of combination splicing, and each unit can be switched and combined arbitrarily. The display mode of counterfeit products is much less.
