Emission through one of two metal electrodes of an organic light-emitting diode via surface-plasmon cross coupling

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Abstract
We report strong surface emission from an organic light-emitting diode in which the luminescent material resides between two nearly opaque metalelectrodes. Experimental and theoretical analyses indicate that cross coupling between surface plasmons on opposite sides of the metalcathode layer enables the transmission of electroluminescence through the practically opaque metal. The application of this physical process has the potential to expand the range of device structures possible for organic light-emitting diodes and other electroluminescent devices.