TY - CONF T1 - Efficient LEDs with a conjugated co-polymer as the emissive layer JO - OPTICAL MATERIALS PY - 1998/01/01 AU - O'Brien D AU - Bleyer A AU - Lidzey DG AU - Bradley DDC AU - Tsutsui T ED - VL - 9 IS - 1-4 SP - 173 EP - 177 Y2 - 2025/05/29 ER -