The double-layer devices (ITO/PEDOT/Polymer/Ba/Al) were fabricated. They held low onset voltage (about 4 V). The peaks of electroluminescence (EL) were 494 and 604 nm, and then their maximum brightness values were 598 cd?是什么意思_The double-layer devices (ITO/PEDOT/Polymer/Ba/Al) were fabricated. They held low onset voltage (about 4 V). The peaks of electroluminescence (EL) were 494 and 604 nm, and then their maximum brightness values were 598 cd?在线翻译_英语_读音_用法_例句