US Patent 7850943 - White light nanocrystals

http://www.freepatentsonline.com/7850943.html

This patent from Samsung teaches forms of semiconductor nanocrystals such as InZnP which emit at multiple wavelengths which can be useful to create white light LEDs. Claim 1 reads:

1. A semiconductor nanocrystal, which is devoid of a cadmium sulfide nanocrystal, wherein semiconductor nanocrystal shows luminescence peaks at two or more wavelengths.