The difference between primary and secondary lighting of LED light source in design

Before a high-power solar street light source becomes a lighting product, two lighting designs are generally required. When packaging LEDICs into LED optoelectronic components, an optical design must be carried out first. Generally speaking, the material is a silicone lens to solve the LED's light output angle, light intensity, light intensity distribution, luminous flux, and color temperature range and distribution. . This is called a one-shot design. The secondary lighting design is for high-power LED lighting: generally high-power LEDs have a primary lens, the lighting angle is about 120 degrees, and the general material is PMMA. Secondary light emission is to change the optical properties of the light after passing through a lens through a light-emitting lens. We must clearly realize that the primary lighting design is the basis of the secondary lighting design. Only when the primary light-emitting design package design is reasonable and can ensure the light-emitting quality of each LED light-emitting component, can the secondary light-emitting design be carried out on the basis of the primary light-emitting design to ensure the light-emitting quality of the entire lighting system. Simply put, the purpose of an optical design is to extract as much light from the LED chip as possible. The purpose of the secondary lighting design is to make the light emitted by the entire lighting system meet the design requirements.
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