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Structure of organic layers for a two-element white organic light emitting device (or 2-WSOLED), with a detail of the fluorescent/phosphorescent emitting layer.
External (closed symbols) and power (open symbols) efficiencies of a two-element WSOLED with CBP spacer thicknesses of (squares), (circles), (triangles), and (diamonds) in both the top and bottom stacked elements.
Electroluminescence spectra at a current density of as a function of CBP spacer thickness for the devices in Fig. 2.
(a) External (closed symbols) and power (open symbols) efficiencies of one- (circles), two- (squares) and three- (triangles) element WSOLEDs as functions of current density. Arrows indicate values at approximate luminances of 1000 and . (b) Voltage vs the number of fluorescent/phosphorescent elements at current densities of 1 (circles), 10 (squares), and 100 (triangles) .
Characteristics of white SOLEDs, including peak and total efficiencies, voltages, CIE coordinates, and color rendering indices.
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