The largest lenticular display is 500.148 m² (5,383.548 ft²) and was achieved by Coen Holten from Pixel.nl (The Netherlands) at the LVCC exhibition CES 2014 in Las Vegas, USA, on 8 January 2014.
See here a picture of this great lenticular work.
This image was printed on DP Lenticular’s 3D 20 LPI UV-LF.
Congrats to Mr. Holten !