An organic electroluminescent display (ELD) device includes a first substrate, a second substrate spaced apart and facing the first substrate, a plurality of switching elements and a plurality of driving elements interconnected on the first substrate, a plurality of connecting electrodes connected to each of the driving elements, a plurality of subsidiary electrodes formed on an inner surface of the second substrate in spaces between two adjacent pixel regions, a first electrode formed on the inner surface of the second substrate covering each of the subsidiary electrodes, an organic light-emitting layer disposed on the first electrode, and a second electrode having first portions disposed on the organic light-emitting layer.