![semiconductor physics - Why can blue LEDs be used for generating white light, but red LEDs cannot - Physics Stack Exchange semiconductor physics - Why can blue LEDs be used for generating white light, but red LEDs cannot - Physics Stack Exchange](https://i.stack.imgur.com/6Dmwb.png)
semiconductor physics - Why can blue LEDs be used for generating white light, but red LEDs cannot - Physics Stack Exchange
![Design of highly efficient phosphor-converted white light-emitting diodes with color rendering indices (R1 − R15) ≥ 95 for artificial lighting | Scientific Reports Design of highly efficient phosphor-converted white light-emitting diodes with color rendering indices (R1 − R15) ≥ 95 for artificial lighting | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-019-53269-0/MediaObjects/41598_2019_53269_Fig1_HTML.png)
Design of highly efficient phosphor-converted white light-emitting diodes with color rendering indices (R1 − R15) ≥ 95 for artificial lighting | Scientific Reports
![Resource use efficiency of indoor lettuce (Lactuca sativa L.) cultivation as affected by red:blue ratio provided by LED lighting | Scientific Reports Resource use efficiency of indoor lettuce (Lactuca sativa L.) cultivation as affected by red:blue ratio provided by LED lighting | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-019-50783-z/MediaObjects/41598_2019_50783_Fig1_HTML.png)