Twelve:Ce (referred to as "YAG" or Ce:YAG phosphor) cerium-doped phosphor coating creates yellow gentle by way of fluorescence. The mix of that yellow with remaining blue light-weight seems white to the attention. There are two Major methods of producing white light-emitting diodes. One particular is to work with individual LEDs https://geschaftmega.de/die-emotionale-und-psychologische-wirkung-von-leuchtreklamen/