Three factors to consider when designing direct-type LED panel lights For direct-type LED panel lights, the key technology lies in the control of brightness uniformity. Increasing the optical path can achieve the best light mixing, but it will inevitably increase the overall thickness of the lamp and increase the light loss of the lamp. For the direct-type LED panel light, the HT80-M diffuser plate is used to atomize and diffuse the LED electric light source. From the front of the lamp, the effect of uniform atomization is achieved. To achieve this effect, we need to consider three factors. First, what kind of LEDs are used, the light spots formed by different LEDs on the diffuser are also different, we try to choose LEDs with a large light-emitting angle as much as possible. Second, the spacing between LEDs, theoretically, the smaller the spacing, the better, because the smaller the spacing, the smaller the spacing between the diffuser and the LEDs is, but the small spacing between the LEDs also brings a problem. The power of the lamp is too large. Therefore, selecting the appropriate spacing and determining the power of the entire lamp are very critical in the design process. In addition, the arrangement of LEDs is also very important. Commonly, there are square, rectangular, and equilateral triangle arrangements. The principle is that the overlap between the diffused light spot and the diffused light spot formed by each LED on the diffuser plate is the smallest. Third, the distance between the diffuser plate and the LED, the smaller the distance, the smaller the light loss, but the LED bright spot will appear when the distance is small. Therefore, when designing a direct-type LED panel light, it is required to achieve uniformity, no light point, and less light loss. The above three factors must be integrated. LED Downlight Diffuser HT80-M Diffuser Features 1. The material is imported optical grade PMMA. 2. High light transmittance, high haze, light transmittance up to 82%, haze up to 92%, and advanced optical design and diffusion materials are used to adjust the light propagation direction, improve optical brightness and diffusion effect. 3. One side of the diffuser is frosted and the other is smooth. Please use the frosted side out. There are three considerations for the frosted surface facing out: 1) Since the glossy surface is facing out, the surface of the lamp is easy to accumulate dust. 2), the frosted surface is facing outward, not easy to be scratched and scratched. 3), improve the luminous efficiency (through the conclusion of the integrating sphere test) Application field 1. LED lighting fixtures suitable for direct-type light sources, such as downlights, grille lights, high-grade aluminum lights, installed on LED downlights, light loss The minimum is 10%. 2. Suitable for side light source LED lighting fixtures, such as flat panel lights, advertising light boxes, professional viewing lights, usually used in conjunction with light guide plates
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