Current-brightness-voltage

Fig. 11.18 left Current-brightness-voltage characteristics of a single-layer red-emitting device based on (l-(phenyl)isoquinoline)2lr(acetylacetonate) piq2lr(acac) (see inset for the chemical structure). The structure of the device was PEDT/PVK PBD piq2lr(acac)/CsF/AI. 

Fig. 11.22 Current-brightness-voltage characteristics of single-layer devices with different doping concentrations of PtOEP in MeLPPP. Solid and open symbols depict brightness-voltage and current-voltage curves, respectively [42].

FIGURE 10. Current density-voltage-brightness (J-B-V) relationships for devices... 

FIGURE 9.4. Comparison of (a) brightness-voltage and (b) brightness-current characteristics for a single-layer device (square) and a bilayer device (circle). 

FIGURE 9.12. Current-voltage and brightness-voltage characteristics of a color-variable light-emitting device under forward and reverse bias conditions. The inset shows the colors of the device under forward and reverse biases in the CIE chromaticity diagram. 

Figure 4. Current-voltage (—) and brightness-voltage (square) characteristics of a typical bilayer light-emitting device. Inset PL(" ) and EL(—) of a bilayer light-emitting device. Reproduced with permission from reference 23.

Fig. 3. (a) Current-voltage (I-V) and brightness-voltage (B-V) curves of device ITO/PEDOT/2wt% MATS in superyellow/ Al. (b) The EL spectrum of the ITO/PEDOT/2%MATS in superyellow/ Al devices is shown as the solid line, and the EL spectrum of the reference device (ITO/PEDOT/superyellow/ Al) is shown as the dash line. 

Fig. 13. Current-voltage (I-V) and brightness-voltage (B-V) curves of (a) device A and (b) device B.

Bright field electron micrographs and ED patterns were taken with an electron microscope, which was operated at an acceleration voltage of 75 kV and a beam current of 2.5 pA. The... 

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