Causes and solutions of flickering on LCD screen

by:Kimeery     2021-08-29
With the widespread use of LCD screens in automotive products, instrumentation and other electronic products, there will always be flickering screens during use, which affects the use of customers, so what should I do at this time? Let me share with you the causes and solutions of the LCD screen flicker: (1) The frequency of the LCD screen itself is too high to cause the flicker. However, in real life, device flickering is rarely caused by excessive frequency. According to industry technicians, people’s eyes don’t feel flicker for pictures over 60hz, and the design standards of general LCD liquid crystal screens are basically within this data range, so under normal circumstances, there will be no excessive frequency. However, it does not rule out that the screen itself is malfunctioning. It is indeed the fault of the screen itself after the measurement by the relevant equipment. In addition to replacing the new monochrome LCD screen, it is the design of the equipment-related software. LCD screen flicker solution: the best way is to increase the OSC frequency of the IC, and look at the flicker of the LCD screen. Of course, if the LCD screen has separate row and column drivers, it can also be adjusted by setting the driver chip. (2) The frequency of the LCD screen and the light source are similar, causing a flicker. This situation is very common. Due to the different frequencies of different light sources, it is more common for LCD screens to flicker when the frequency of the artificial light source is similar to that of artificial light sources under certain specific circumstances. LCD liquid crystal screen splash screen solution: it is a kind of artificial light source or LCD liquid crystal screen device to avoid the occurrence of splash screen. The above are the reasons and solutions of the two kinds of LCD splash screens, I hope it will be helpful to everyone.
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