Host-free, yellow phosphorescent material in white organic light-emitting diodes This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: IP Address: 118.82.10.2 This content was downloaded on 01/10/2013 at 08:15 Please note that terms and conditions apply. 2010 J. Phys. D: Appl. Phys. 43 442003 (http://iopscience.iop.org/0022-3727/43/44/442003) View the table of contents for this issue, or go to the journal homepage for more Home Search Collections Journals About Contact us My IOPscience