Spirobifluorene Core-Based Novel Hole Transporting Materials for Red Phosphorescence OLEDs

by Ramanaskanda Braveenth, Hyeong Woo Bae, Quynh Pham Bao Nguyen, Haye Min Ko, Choong Hun Lee, Hyeong Jun Kim, Jang Hyuk Kwon, Kyu Yun Chai
Published 2017-03-01