Guangmai Technology is professional in making the High CRI SMD LED Chip 1W 3030 Max CRI>98.
Is the higher the LED luminous efficiency, the lower the color rendering index?
The higher the LED luminous efficiency, the lower the color rendering index? This is obviously not true. First of all, the causality of this logic is a bit inverted. It is not because the CRI is high because of the low light efficiency, but to improve the CRI and sacrifice some light efficiency. Many people still have some misunderstandings about light effects:
Luminous efficiency = luminous efficacy
Light effect ≠ luminous effect
The luminous flux (lm) emitted by the LED light source divided by the power (W) consumed by the light source is called the LED luminous efficiency, and the unit is lm/W. The luminous effect refers to the visual effect.
How do manufacturers improve the color rendering index of LEDs?
There is a saying "make up for what is missing", it can't be used here accurately. Since R9 is missing, then "make up for R9", how to make it up?
Add red phosphor to make up for the lack of LED red spectrum and adjust the color rendering index of white light LED.
This again involves the concentration of doping. For example, if the original color rendering index of an LED is 70, if you want to increase the color rendering index to 80, you may only need to dope a little red phosphor, but to reach 90 For the color rendering index, you need to double the concentration of red powder.
GMKJ CRI>99% SMD LED test report:
High CRI SMD LED Chip 1W 3030 Max CRI>98 Package Size:
High CRI SMD LED Chip 1W 3030 Max CRI>98 Application
About Guangmai LED/ GMKJ LED
Datasheet:
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