LED red, yellow, blue, green, purple, infrared light, etc.
Commonly used LED infrared light band is 850nm ± 5nm;
The commonly used red light band is 625±5nm (the brightness can be made relatively high, the red light can be divided by 8-10nm, but the ideal is 5nm bin);
The other commonly used red light band is 650±10nm (the brightness is not high);
Common orange light band is 605±10nm;
The commonly used yellow band is 590±5nm (some customers also specify 596-597nm, this band is used for beauty, the yellow band is easier to see the color difference, so the most ideal is 2nm bin);
The commonly used green band is 520±10nm (the traffic light band is 505-515nm, the decorative green light is 515-530nm, the green light splitting is generally 2.5nm, but there may be color difference, so the most ideal is 1- 2nm bin);
The commonly used blue light band is 465±10nm (the best white light band is 460-462.5nm, followed by 457.5-460nm, again 455-457.5nm, 460-467.5nm is basically not distinguished by the naked eye, but on the upper After 470, there will be a more obvious chromatic aberration, therefore, the band above 470nm must be split by 2.5nm ;);
A commonly used violet light band is 410±10nm (can be tested in RMB);
Another commonly used violet light band is 390±10nm (can detect US banknotes);
LED white light industry commonly used XY value division, also commonly used color temperature to divide:
Positive white temperature: 5500-7500K color temperature, but some customers will think that the color temperature of 7500-12000k is white, and its corresponding XY value is generally X=0.2500-0.3200, Y=0.2600-0.3400. This XY value is more common. X is 0.01 or 0.02 or 0.03 smaller than the Y value. Then, the naked eye will be yellowish or slightly blue, and its color rendering index is generally between 65-75. If the X value is larger than the Y value by 0.01-0.03, then the white light will be slightly reddish, and at the same time, its color rendering index is generally between 75-85 or even higher. But there is a problem, when the X value is larger than the Y value, the brightness of the LED white light will also decrease accordingly, which will be 10%-30% lower than the brightness of the white light whose original Y value is higher than the X value, depending on the customer. Different standards are required.
36W Wall Mounted Power Adapter
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