At its event, Sharp shared more details of its "Igzo" technology - which stands for Indium Gallium Zinc Oxide, a compound material that is said to be more responsive to touch.
The index was predicted to ease by less than two points from 5.3 in July, but in the event a sharp downturn in the expectations gauge between both private and institutional investors caused a dramatic slump in the index to negative 13.5 and the lowest reading since September 2009.
Continuing a trend set at this event last year, Sharp also demonstrated its range of 4K models - including one screen which utilises technology inspired by the naturally anti-reflective qualities of a moth's eye.