En Route to High External Quantum Efficiency (∼12%), Organic True-Blue-Light-Emitting Diodes Employing Novel Design of Iridium (III) Phosphors

• Published in: Advanced materials (Weinheim) Vol. 21; no. 21; pp. 2221 - 2225
• Main Authors: Chiu, Yuan-Chieh, Hung, Jui-Yi, Chi, Yun, Chen, Chung-Chia, Chang, Chih-Hao, Wu, Chung-Chih, Cheng, Yi-Ming, Yu, Ya-Chien, Lee, Gene-Hsiang, Chou, Pi-Tai
• Format: Journal Article
• Language: English
• Published: Weinheim WILEY-VCH Verlag 05.06.2009; WILEY‐VCH Verlag
• Subjects: deep-blue; iridium; organic light-emitting devices; phosphine; phosphorescence
• ISSN: 0935-9648; 1521-4095
• DOI: 10.1002/adma.200802546

True‐blue Ir(III) phosphors are designed, synthesized, and applied to multilayered organic true‐blue‐light‐emitting diodes with CIEx,y color chromaticity of (0.15,0.11) and maximum external quantum efficiency of ∼12%, demonstrating unprecedented performance among all blue‐phosphorescent OLEDs ever d...