Downlight optics: The optical design of the downlight itself has a primary optical design and a secondary optical design. The so-called primary optical design mainly refers to the optical design of the light source part. The optical design when packaging the chip determines the basic lighting parameters such as the color temperature and CRI of the downlight. The secondary optical design mainly refers to that because the LED is a point light source and has glare, etc., the light-emitting angle and light-emitting shape of the lamp can meet the required lighting requirements through secondary optical elements such as lenses and design.

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