1. A visual information processing device comprising: a semiconductor integrated circuit device section having a surface and including a plurality of neuronic circuit regions formed in said surface; a first molecular film layer on said integrated circuit device section surface which comprises a first layer comprising input wiring lines, insulating film and wiring to connect neuronic circuit region output terminals to semitransparent output wiring lines, a second layer on said first layer comprising a light-receiving molecular film including signal input elements having a photoelectric function and image input elements for sensing visual images, and a third layer on said second layer comprising semitransparent output wiring lines and transparent insulating film; and a second molecular film layer on said first molecular film layer, comprising a light-emitting molecular film including signal output elements having a light-emission function to output matrix signals as matrix light-emitting patterns onto said signal input elements.