Someone once predicted that the lamps of the future will have no specific shape, and the lamps of the future will become a part of the building, which you cannot easily recognize at a glance. And the panel light, some people say, is a major manifestation of the current stage of lighting in this field.
Application field
LED panel lights are widely used in offices, schools, hospitals, shopping malls, homes and other places because of their good uniformity of illumination, higher CRI, uniform and soft light, and comfort. Good product.
product structure
The structure of the LED panel light mainly includes components such as a frame, a diffuser plate, a light guide plate, lamp beads, a driving power supply, and an aluminum substrate.
1. Frame: frame strength affects durability
The frame is an important part of the panel light, and the high-strength frame makes the panel light more durable. The side frame of the LED panel light is made of different materials, and its heat dissipation performance is also different. According to statistics, the frame materials of current panel lights mainly include aluminum alloy, steel, PC, A6063, aluminum-plastic, steel and other materials.
2. Diffusion plate: different materials have different light transmittance
The function of the diffusion plate is to diffuse the light of the light guide plate evenly, and it can also play the role of blurring the dots. The materials used mainly include acrylic, PC, PS and so on.
It is understood that the light transmittance of acrylic is 92%, that of PC is 88%, and that of PS is about 80%. The light transmittance of acrylic material is higher than that of PC, and the cost is lower. But the anti-aging performance is strong.
3. Light guide plate: The plate has a great influence on the light effect
The function of the light guide plate is to refract the light parallel to the direction of the light-transmitting plate to be perpendicular to the direction of the light-transmitting plate, and reflect the light refracted from the light guide plate to the back of the panel light by the reflective paper. In this process, the light decay should be reduced as much as possible. Generally speaking, the light efficiency of the light guide plate depends largely on the dot design, followed by the choice of plate material.
4. Power supply: constant current power supply mode with high efficiency
LED lamps have two driving power modes, one is constant current power supply, which has high efficiency, PF value is as high as 0.95, and is cost-effective; the other is constant voltage and constant current power supply, which has stable performance, but low efficiency and high cost.
product category
There are two types of LED panel lights: direct-lit and side-lit.
The side-emitting panel light has the advantages of light weight, thin body, convenient installation and transportation, etc. The disadvantage is that it is prone to uneven light emission; the advantage of the direct-lit panel light is that it has sufficient brightness and advantages in cost control, and the disadvantage is that glare is inevitable and there are dark areas. Thick, relatively inconvenient to transport and install.
The price of the side-emitting LED panel light is more expensive than that of the direct type, because the technology of the side-emitting LED panel light is relatively complicated, which is determined by the product structure of the side-emitting LED panel light. Both are complicated, which makes it difficult to control the product yield and product uniformity.
Product advantages
LED panel lamps have a very soft light emitting method. The side light emitting method is commonly used at present. The light emitted from the surface of the lamp body is very uniform, so that the light emitted is not dazzling at all. Used in various fields, it can effectively eliminate glare.
Conclusion:
Above all, LED panel light has gradually become a better product to replace the traditional grille light panel in the LED era due to its good uniformity of illumination, higher CRI, uniform and soft light, and comfort. It will be widely used in schools and other indoor lighting fields. The room for development will become larger and larger.
