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In the LED car light industries, both domestic and foreign who produce LED car lights based on the standard of traditional incandescent light and halogen lamp, LED car light don’t own itself manufacturing standards. Therefore, the present LED lamp assembly manufacturing design and production is still mostly based on national standard, SAE and other standards. In order to make the shape and light distribution of LED light source consistent with traditional standards, LED light must designed as three-dimensional array. It is a new technology for automotive lighting design by adjusting the LED light emitting direction to achieve the purpose of distribution. Because of the monochromatic, LED light can be designed with different functional turning light, brake light, reverse light, etc directly using different wavelengths of LED components instead of applying filter. LED light designed without filters will increase light transmission (transmission rate reach to 92-95% by using transparent polycarbonate of PMMA mask filter) so that improving the light utilization.
LED components for LED car lights in order to meet the traditional grading standards, the choice of perspective is important, right emitting angle means you can use the correct number of LED components to achieve economic and practical purpose. Because lateral astigmatism of LED is less, and the role of the lamp reflector is less obvious than traditional bulbs, so the array of LED light source must be scattered witch is on the contrary with traditional light bulbs. The purpose of dispersing is in line with the visual habits. The thermal design of LED car lamp is a vital part of the LED lighting design work. Whether it heat well or not decides its usage life.
