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led lightbox displays price china talks about the reasons for the unstable brightness of the lightbox

(Summary description)Supermarkets and convenience store light box merchants believe that this situation is caused by the light source problem of the light box. As the light source adopts LED chip lamp beads, a small number of lamp beads do not emit light, which will not affect the use, but most of the lamp beads do not emit light. When this kind of problem occurs, just replace the LED patch to solve this situation.

led lightbox displays price china talks about the reasons for the unstable brightness of the lightbox

(Summary description)Supermarkets and convenience store light box merchants believe that this situation is caused by the light source problem of the light box. As the light source adopts LED chip lamp beads, a small number of lamp beads do not emit light, which will not affect the use, but most of the lamp beads do not emit light. When this kind of problem occurs, just replace the LED patch to solve this situation.

Information

There are many types of light boxes, but they all have one thing in common, that is, the brightness of the lights inside are generally bright, and the lights are neither dazzling nor dim when using the light box. This is conducive to the later use of light boxes, but light boxes are often the same. There will be unstable brightness. How did it cause it? The led lightbox displays price china editor will show you a brief look!
1. Part of it is bright, and some of it is not bright
Supermarkets and convenience store light box merchants believe that this situation is caused by the light source problem of the light box. As the light source adopts LED chip lamp beads, a small number of lamp beads do not emit light, which will not affect the use, but most of the lamp beads do not emit light. When this kind of problem occurs, just replace the LED patch to solve this situation.
2. Partly bright, partly dark
This situation may be caused by accidentally scratching the light guide plate during use or installation. Since the light guide plate is mainly made of acrylic material, the acrylic material has the characteristics of high light transmittance, if it is scratched by external force, it is easy to break and darken the parts. The solution is to replace the light guide plate.


3. The universal ultra-thin light box is always off
Image problem. Many people do not understand the difference between photos and light boxes. Use photos instead of light box film. Because the diffuser is semi-transparent and the photo is opaque, using a photo will make the image less bright. The lack of general lighting may be a power issue. The power supply can be removed and connected to a light box that can be turned on normally. Since the input power used is 12V DC voltage, the light box is a universal power supply. If the light box is on, the original light box light bar is on. If it does not light, it means the power supply is damaged and the light bar or power supply needs to be replaced.
The above is the introduction of led lightbox displays price china editor: about the reasons for the unstable brightness of the lightbox.

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