diy light box from China manufacturer introduces the reason why the brightness of the light box screen is not enough
The whole is not bright. There are two reasons for this. One is the problem of the light guide plate and the light source. Some are due to the quality of the light guide plate, and some are due to the insufficient quality of the light source.
diy light box from China manufacturer introduces how to fix the light box
Drilling method, just mentioned that different installation scenarios require different installation methods. If the ultra-thin light box sign is installed on the cement wall or brick wall, generally first use a percussion drill to drill the hole, and then fix it with expansion screws. Ensure the installation firmness of the identification plate and daily safe use;
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