The problem with that is that Samsung has demonstrated that a display of high quality has been made using ZERO cadmium and if that is possible why use any Cadmium ? Apple has also stated they would consider using quantum dots if there was zero cadmium in them.I believe Apple would look at this tech once the performance levels are closer to cadmium , more so on the side of power consumption which Apple needs to improve.In a device with a cord such as a tv that comment is less relevant, but in a phone ( OLED ) where brightness is my key bitching point in bright daylight a qd display that had high NITS with less battery draw would be in immediate demmand.