US Patent 7601942 Optoelectronic device having an array of smart pixels

An optoelectronic device includes a substrate (6, 7) comprising semiconducting material and an array of smart pixels arranged on or in the substrate, each smart pixel comprising at least one layer (12) of organic light emitting material, and a light permeable electrode (13) in contact with the organic layer on a side thereof remote from the substrate. The smart pixels may be capable of one or more of a range of functions, including image sensing, processing, communication and display.