Theory of white LED

Theory of white LED

In fact,LED was through electric energy changing into light energy. Then can have a light of red, yellow , blue ,green, cyan , orange , purple or white . in here , we used most in led as white led. The white led don’t like other color led, the white led was composed of blue light and yellow .let’s

Talk about theory of white led.
There have a led chip in led module, first let it created blue light(The ultraviolet light or blue light is then converted to visible light by phosphors on the surface of the discharge tube.), then yellow light generated by phosphor excitation. They blend into a color .that’s white led.
led structure

The proportion of Color matching has something special technology point to share. For example:

If We’re going to be increasing the volume of blue light , the led will look more white . if you would like more warm white, so you should be possible to reduce proportion from blue light.

This is The influences of white light LED packaging process.