Study of the magnetic field effects on carriers' mobility in polymer based light-emitting diodes

► Studying of the magnetic field effects on PLEDs. ► Research methods: the transient EL method and a phenomenological model. ► The rising edges overlap closely with and without the magnetic field. ► MFEs exist in the quasisteady state period and the turn-off period. ► No MFEs on the mobility of carries but the recombination process.