A display device composed of: (a) a cathode; (b) an anode; (c) a
luminescent region between the cathode and the anode; and an optional
region adjacent one of the electrodes, wherein at least one of the
cathode, the anode, the luminescent region, and the optional region
includes a metal-organic mixed layer composed of: (i) an inorganic metal
containing material, (ii) an organic material, and (iii) optionally, at
least one component selected from the group consisting of metals, organic
materials, and inorganic materials.
