Most of the current advertising light boxes use LED lamp strips as the main light source, and the old lamp tubes have been slowly eliminated, because the old lamp tubes emit uneven light and are prone to ribs, so that the advertising effect of the light box is discounted. The current advertising light box light source is mostly the use of LED light strips or LED light beads, not only highlighting but also energy saving. LED light strip according to the different light box is generally divided into LED backlight and LED side light. And a good LED lamp must be inseparable from a good chip, cooling substrate and electronic components, because they will affect the light decay and life of the LED lamp.
Single-sided light boxes generally use backlight, the light strip or a single light bead is fixed on the light box bottom plate at a certain distance, not affected by the size of the light box area, but also consider whether the light box is installed indoors or outdoors, to choose the light box waterproof or not waterproof light strip.
Double-sided light boxes generally use side light sources, the lamp strip or lamp beads are installed on the four sides of the aluminum frame of the light box at a certain distance, which can be a good way to evenly light the two side light box pictures. However, affected by the light box area, too large a light box is generally not recommended to use a side light source, afraid of uneven lighting, will affect the publicity effect.
Therefore, if the light box is used for a long time, when choosing the light, it is recommended to buy a quality guaranteed light source, because the light source is also a part of the light box, which affects the effect of the light box advertising at any time.
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