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Light guide plate of panel lamp

by:Dolight LED Panel     2019-12-13

LED panel lights with good illumination average, soft light, quiet and bright light are loved by everyone and occupy a large share in the field of indoor lighting. We know that the LED panel lamp is made up of LED lamp beads, light guide plate, diffuser plate, frame and drive power supply. These five components are assembled by workers, as long as the LED light source is determined, the service life of the whole LED panel lamp is almost determined by the service time of the light guide plate. High-quality and inferior light guide plates have an important influence on the whole LED panel lamp, the most important performance is in brightness and average. Under the unified module, different light guide plates will have different effects. The light transmittance of high-quality light guide plates is significantly higher than that of inferior ones, and it can also prevent the appearance of bright spots and dark areas. The light guide plate is divided according to the production process. There are carved light guide plates, silk screen light guide plates and Nano light guide plates. Which one is better?

Let's first talk about the principle difference of the light guide plate: the production methods of the carved light guide plate and the silk screen light guide plate are based on different sizes, the area is printed on the transparent plate with reflective dots or engraved mesh grids, and the light is diffused by the refraction of the ink dots printed on the surface of the light guide plate or the carved grid, to realize the conversion of light source illumination into surface light source.

The production method of Nano light guide plate is to add Nano light scattering particles while pouring acrylic, the nanoparticles can efficiently convert point light sources or line light sources into average surface light sources.

engraving light guide plate, silk screen light guide plate production method is based on different sizes, the area is printed on the transparent plate with reflective dots or engraved mesh grids, and the light is diffused by the refraction of the ink dots printed on the surface of the light guide plate or the carved grid, to realize the conversion of light source illumination into surface light source.

The production method of Nano light guide plate is to add Nano light scattering particles while pouring acrylic, the nanoparticles can efficiently convert point light sources or line light sources into average surface light sources.

we now know that the principle of the engraved light guide plate and the silk screen light guide plate is roughly the same. The Nano light guide plate is very different from the first two, the advantages and disadvantages of the same carved light guide plate and silk screen light guide plate are roughly different: carved light guide plate, silk screen light guide plate must calculate the light guide point density according to the size of the actual light box, and special equipment and technology are required to produce such light guide plates. Moreover, these two technologies are difficult to produce on a large scale according to the different needs of customers. Do not cut arbitrarily, hot bend. It must be equipped with a diffuse film and cannot be used on both sides. Their application areas: Lighting Industry (Flat panel light), Advertising industry (Ultra-thin light box, Crystal Light Box). Difference in light efficiency: the visual impact of a little or line is relatively large, the light and dark are clear, and the non-scale is uniform. The silk screen light guide is printed with ink dots, so there is light decay.

after analyzing the carved light guide plate and the silk screen light guide plate, let's look at the advantages and disadvantages of the Nano light guide plate: it can be cut and bent at will on the basis of the original plate, it can be used on both sides without a diffuse film. It can be seen from here that the advantages of the Nano light guide plate are obvious. The application fields of the nano-gun light guide include the lighting industry (Flat panel light), Advertising industry (Ultra-thin light box). Different molds can be used to cast any shape of the original light guide, which can be used in various industries as long as you have good ideas. However, very few people use Nano light guide plates when making crystal light boxes, because his overall transparency is relatively poor. Light efficiency difference: average scale, soft.


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