| abstract |
The invention relates to the use of (hetero)aryl-substituted acridine derivatives as matrix material in a light-emitting layer of organic light emitting diodes (OLEDs) and/or in a block layer for electrons in organic light emitting diodes. The invention also relates to a light-emitting layer that contains at least one emitter material and at least one matrix material, wherein at least one (hetero)aryl-substituted acridine derivative is used as matrix material, and an organic light emitting diode that contains at least one inventive light-emitting layer, an organic light emitting diode that contains at least one acridine derivative of formula (I) in a block layer for electrons and a device selected from stationary and mobile screens and illumination units that contain at least one claimed organic light emitting diode. |