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

Table 4

Voltage and efficiency of metasubstituted polymers 9a–12a.

Device characteristics	9a/TMM102 + TEG001	10a/TMM102 + TEG001	11a/TMM102 + TEG001	12a/TMM102 + TEG001
Voltage/V @ 100 cd/m^2	4,4	5,35	5,1	5,25
Voltage/V @ 1000 cd/m^2	6,25	7,75	7,5	7,1
Voltage/V @ 5000 cd/m^2	8,2	>10	10	9,1
Voltage/V @ 10 mA/cm^2	7,7	9,5	9,25	8,5
Luminance Efficiency/cd/A^+	36@8 V	34@8 V	35@7 V	34@8 V