This ETH Zurich logo consists of 2,800 nano light-emitting diodes and, at a height of 20 micrometres, matches the size of a human cell. A single pixel measures around 0.2 micrometres (200 nanometres).
…and Oxford discovers way to switch OLEDs to emit polarized light without altering light-emitters. ETHZ logo consisting of 2,800 nano OLEDs compared with human cell. Click for info. Researchers from ...