Polystyrene Backbone Polymers Consisting of Alkyl-Substituted Triazine Side Groups for Phosphorescent OLEDs

Table 5

Voltage and efficiency of parasubstituted polymers 9b–12b.

Device characteristics	9b/TMM102 + TEG001	10b/TMM102 + TEG001	11b/TMM102 + TEG001	12b/TMM102 + TEG001
Voltage/V @ 100 cd/m^2	4,85	6,75	5,5	6,8
Voltage/V @ 1000 cd/m^2	6,85	9,5	8	9,1
Voltage/V @ 5000 cd/m^2	9	>10	>10	>10
Voltage/V @ 10 mA/cm^2	7,85	>10	9,5	10
Luminance Efficiency/cd/A^+	24@7 V	29@10 V	32@8 V	20@10 V