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Secondary optical design ---LED glass lens
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The secondary optical design is for high-power LED lighting: generally high-power LEDs have a primary lens, and the light-emitting angle is about 120 degrees. Secondary optics is to change the optical performance of the light after passing the primary lens through an optical lens.
Before high-power LED lighting components become lighting products, optical design is generally carried out twice.
Therefore, the secondary optical design is mainly to optimize the design of LED lighting appliances. The secondary optical light distribution design of the LED light source is particularly urgent for large-area projection and flood lighting. Through the secondary optical design technology, the design of additional reflecting cups, multiple optical lenses and aspheric light-emitting surface can improve the light extraction efficiency of the device.
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