High-power LED surface light source
An LED light source, high-power technology, applied in the field of new light sources, can solve the problems of white LED manufacturing process defects, low color rendering index, "yellow circle", etc., to improve the color rendering effect and luminous efficiency, increase the heat dissipation area, and speed up the heat dissipation. effect of speed
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[0016] Example 1, as figure 2 When the wavelength of red LED2 is 620nm, and the ratio of white LED1 and red LED2 is 3:1, the color temperature of the light source is controlled at 3000K±20K, the color rendering index is 90, and the luminous efficiency is 90lm / W.
Example Embodiment
[0017] Example 2, as image 3 When the wavelength of red LED2 is 640nm, and the ratio of white LED1 and red LED2 is 4:1, the color temperature of the light source is controlled at 2900K±20K, the color rendering index is 95, and the luminous efficiency is 95lm / W.
Example Embodiment
[0018] Example 3, as Figure 4 When the wavelength of red LED2 is 660nm, and the ratio of white LED1 and red LED2 is 5:1, the color temperature of the light source is controlled at 2800K±20K, the color rendering index is 98, and the luminous efficiency is 100lm / W.
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