The Enemy Of Any Type Of Aircraft Is Weight,

so imagine airliners with thinner, lighter walls

that were made of OLED screens instead of the normal fuselage, for every 1% reduction in weight, the approximate fuel saving is 0.75%, if you save weight, you save fuel and less fuel means less CO2 emissions into the atmosphere and lower operational cost and you get a great view of the outside world, everyone wins, well that is the idea of the UK's CPI, 

by using OLED screens instead of windows arrayed in panels along the cabin walls and ceiling, the screens could show the outside world (as captured by wide-angle panoramic cameras on the outside of the plane) at a resolution of 150 dpi, I wonder how my fear of heights would cope with this if it ever came to fruition?