Two novel phenanthrene-based host materials showed significant differences due to the different moieties at the same position of the phenanthrene backbone.
Highly efficient fluorescence/phosphorescence hybrid WOLEDs have been realized by employing a new efficient blue fluorescent material.
Low efficiency roll-off phosphorescent organic light-emitting devices using thermally activated delayed fluorescence hosts materials based 1, 2, 4-triazole acceptor