Topic: led video wall

In practical applications, led display screens will inevitably encounter various failures, especially the black screen of led display screens is something that makes users crazy. Let’s look at two embarrassing stories about black screens of led display screens. Sochi Winter Olympics opening ceremony 'black screen accident' At the opening ceremony of the 2014 Sochi Winter Olympics in Russia, when the audience entered the countdown, the countdown card suddenly went black. In addition, at the...