True quantum dot displays are an experimental display technology different from those existing commercial products. In these QLEDs, quantum dots (QD) or semiconductor nanocrystals could provide an alternative for commercial applications as electro-optical display technology. This display technology would be similar to organic light-emitting diode (OLED) displays, in that light would be emitted on demand, which would enable more efficient displays, and is also seen as the next generation technology after OLED. However, such products are still experimental. The European Commission does not exempt the use of cadmium for lighting to create these QLEDs.[1][2]