Informatica Looking good – this LED research could improve display clarity by 400% 29 Settembre 2014 admin Princeton researcher and professor Stephen Chou is not new to improving technology with his work using nanotechnology. This time around, Professor Chou is working on the LED tech that we use for our smartphones. This research is seeing dramatic improvements not only in the LEDs themselves, but in the overall display, which could lead to display performance and clarity up to 400% better than we are seeing now.