1. The frequency of the LCD screen itself is too high, resulting in a flickering screen

Generally, in real life, there are very few problems that cause the device to flicker due to the high frequency. People's naked eyes don't feel flickering when the picture exceeds 60hz, and the design standard of general Icd display is basically maintained at this data, so under normal circumstances, the frequency will not be too high, but at the same time, it cannot be ruled out that the screen itself has failed.

After the determination of the relevant instruments is indeed the fault of the screen itself, in addition to replacing the new LCD screen is the software related to the device to design, the best way is to increase the OSC frequency of the IC to see the flickering LCD screen. Of course, if the lcd LCD has a separate line and column drive, you can also be adjusted by the settings of the driver chip, so as to solve the problem of flickering screen.

2. The frequency of the LCD screen and the light source is similar to cause a flickering screen

It is very common for LCD screens to flicker when the frequency of the light source is similar to that of the light source. Due to the different frequencies of different light sources, in some specific cases, flickering is also common when the frequency of the Icd screen is similar to that of artificial light sources, the best way at this time is an artificial light source or replace the LCD screen device to avoid the occurrence of flickering.