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An AC-driven organic–inorganic hybrid powder electroluminescence (EL) device was made to investigate the effect of organic dye on EL performance. The bluish green emitting-ZnS:Cu,Cl phosphor and coumarin 6 (and DCJTB) were used as emitting material and organic dyes (color converting material), respectively. In order to convert an emission spectrum effectively, an EL device composed of the Al/dielectric...
An alternating current driven electroluminescence (EL) device consisting of a phosphor dispersed in a polymer matrix device was fabricated as a tandem structure. This structure can be formed by duplicating the emitting and conducting layers. The EL device with the tandem structure, particularly the device with the triple emitting layer, was six times brighter than (1460cd/m 2 at an alternating...
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