a display device comprising a transparent substrate bonded to a portion of a printed circuit board forming the display envelope , the circuit board including a plurality of electrical conductors . a first portion of the electrical conductors has one end forming the cathode electrodes of the display and its other ends connected to electrical control elements mounted on the circuit board adjacent the display envelope . anode electrodes of the display are mounted on the substrate and are connected to a second portion of the electrical conductors by metal connectors located within the display envelope . the second portion of the electrical conductors are also connected to the electrical control elements which control the operation of the display .