According to the co-founder of VividQ; Aleksandra Pedraszewska, we are only a maximum of 2 and a half years from seeing the first holograms on the market.
The hardware and software appear to be there already, its just depending on which tech giant is going to go to market first…
http://www.businesscloud.co.uk/news/fully-holographic-displays-will-be-here-within-two-years