Are you sure about that? I think they are still using it in some of their 4K displays... www.electronista.com/articles/13/01/16/quantum.dots.to.increase.color.range.by.50.percent/ Sony to use quantum dots in 'Triluminos' Bravia HDTVs http://www.sony.co.uk/electronic/display-technology The quantum dot difference Quantum dots are tiny particles that enable a 50% wider colour range for a rich, natural display.