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What determines the color temperature of lamp led lights

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Author : Shenzhen Crown Lighting
Update time : 2021-06-12 21:24:27

As we know, the most popular of led lamp color temperature is 3000K and 4000K, but what determines the color temperature of lamp led lights? Why is the color temperature lamp led also called the dual color temperature lamp?
 
Although the color temperature adjustment led lamps are controlled and adjusted by the driving power supply, the color temperature of the lighting led is mainly determined by the led lamp beads (LED light source). Generally, the led luminaire with adjustable temperature has two internal outputs of warm white and cool white, each of which is independent. By providing different proportions of current to each, the two lights of different brightness can be mixed in the lamps led. Different color temperatures are formed to achieve the effect of color temperature adjustment.
 
For example:
 
→ If the color temperature of the two led light sources is 3000K (warm color) and 6000K (cool color), the maximum output current of the power supply is 1000mA.

 

  • When the current supplied by the led power supply to the warm color light source is 1000mA and the current of the cold color light source is 0mA, then the final color temperature of the led lighting lamp is 3000K.
 
  • If the two currents are both 500mA, then the color temperature will be around 3300K (the specific result requires a more complicated formula, if you are interested, we can share it later).
 
  • When the current supplied by the power supply to the warm-color light source is 0mA and the current of the cold-color light source is 1000mA, then the final color temperature of the lamp is 6000K.

 
What is classification of color temperature adjustment?
 
Color temperature adjustment also has segmented adjustments (such as three-segment and four-segment color temperature adjustment) and stepless dimming and color adjustment. Both dimming are realized by led driver. Take the Lifud LF-GIFxxxPA as an example, it is to drive the dual output current with 3 ratios set, and one of the gears is selecte d by the dial (button) to achieve 3 gears of color temperature changes. The LF-GSDxxxYG is a stepless dimming and color adjustment, which can achieve smooth changes in color temperature in the range of 2000K-7000K (the maximum value of the actual color temperature change range is determined by the LED light source of the lighting lamp).
 
The above is today's sharing, for more led lighting fixtures knowledge go to our homepage www.crown-led.com, thanks.

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