Highly efficient, ultralow turn-on voltage red and white organic light-emitting devices based on a novel exciplex host
Jian Song, Fujun Zhang, Liping Yang, Keming Chen, Asu Li, Ren Sheng, Yu Duan, Ping Chen
Abstract
We have prepared high-performance white OLEDs based on exciplex systems and blue ultra-thin FIrPic layers, exhibiting a low turn-on voltage of 2.2 V with a maximum power efficiency of 34.1 lm W<sup>−1</sup>, and the CIE coordinate (0.33,0.33) at 1000 cd m<sup>−2</sup>.
Topics & Concepts
ExcimerOLEDOptoelectronicsWhite lightVoltageMaterials scienceTurn (biochemistry)Thin filmChemistryOpticsLayer (electronics)PhysicsFluorescenceNanotechnologyBiochemistryQuantum mechanicsOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications