1. Structural characteristics
Compared with other lamps, LED purification lamps have unique characteristics. It is mainly composed of light source, light guide plate, diffuser plate, reflective paper, driving power supply and so on. Compared with other lamps, it has many structures similar to LED backlight products, such as light guide plate, diffuser plate, reflective paper, etc.
2. LED light source
LED purification lamp manufacturers basically use SMD patch series when using LED light sources, such as 3528, 3014, etc. LED purification lamp manufacturers are faced with dynamic changes in the market, and manufacturers will select light sources according to the actual needs of customers to meet the design requirements. The choice of LED light source is of great significance to improve the performance of the product. It is one of the important factors to improve the quality of LED purification lamps.
3. Light guide plate
The light guide plate is the key to the quality control of LED purification lamps. The network design is not good, and the overall lighting effect is not good. produces uneven light. There is also a light and dark side, bright lights in the entrance area, visible dark areas and inconsistent brightness from different angles. Improving the light efficiency of the light guide plate mainly depends on the design of the dots, followed by the quality of the plate, so choose a qualified plate with high light transmittance.
4. Diffuser plate
The main function of the diffuser plate is to evenly export the light of the light guide plate to make the light distribution more uniform. When light is emitted to the diffuse point, the reflected light spreads to all angles. Then it is emitted from the front of the light guide plate, and the diffuser is evenly distributed through diffusing points of different densities and sizes, thereby improving the brightness of the light guide plate. It can also function as a fuzzy network.
5. Efficiency improvement
Efficiency is an important indicator to evaluate the performance of LED purification lamps. Luminous efficiency is the ratio of the electric power luminous flux consumed by the light source emitted by the light source, and the unit is lumens/Watt.
The LED purification lamp was evaluated using the "light effect". "Luminaire efficiency" is used to evaluate LED purification lamps. The efficiency of LED light sources and LED purification lamps is the efficiency of converting electrical energy into light energy. It is an indicator describing the energy-saving characteristics of lighting products, but its connotation is different. According to the gt004-2012 standard for indoor general lighting LED bulbs, the measurement should be carried out in an environment with a relative humidity of not more than 65% and a temperature of 25±1 air convection.
The luminous flux of the light source in the light effect of the LED purification lamp refers to the amount of light emitted by the bare light source. The luminous flux in LED purification lamps refers to the luminous flux emitted when the light source is loaded into the lamp, and the power of the LED control device or the LED control device. The power consumed by the LED light source is less than the power consumed by the LED purification lamp.
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