1. A display device, comprising: an array of pixels; and an array of processing elements, each associated with a respective group of pixels; wherein each processing element comprises: an input for receiving input display data relating to a plurality of the pixels and comprising a display setting for the processing element; a processor for processing received input display data to determine individual pixel data for each of the group of pixels associated with the processing element, said processor being adapted to process the received input display data by interpolating the individual pixel data for each pixel of the associated group of pixels from the display setting for the processing element and a display setting or settings from respectively one or a plurality of neighboring processing elements; and a pixel driver for driving the associated pixel or each pixel of the associated group of pixels with that pixel's determined individual pixel data.