TY - JOUR T1 - Device degradation of polymer light emitting diodes studied by electroabsorption measurements JO - APPL PHYS LETT PY - 1999/10/04 AU - Giebeler C AU - Whitelegg SA AU - Lidzey DG AU - Lane PA AU - Bradley DDC ED - VL - 75 IS - 14 SP - 2144 EP - 2146 Y2 - 2025/05/19 ER -