Low Driving Voltage, High Quantum Efficiency, High Power Efficiency, and Little Efficiency Roll‐Off in Red, Green, and Deep‐Blue Phosphorescent Organic Light‐Emitting Diodes Using a High‐Triplet‐Energy Hole Transport Material | Zendy

Cho Yong Joo | Zendy; Lee Jun Yeob | Zendy

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Low Driving Voltage, High Quantum Efficiency, High Power Efficiency, and Little Efficiency Roll‐Off in Red, Green, and Deep‐Blue Phosphorescent Organic Light‐Emitting Diodes Using a High‐Triplet‐Energy Hole Transport Material

Author(s) -

Cho Yong Joo,

Lee Jun Yeob

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201102045

Subject(s) - phosphorescence , oled , optoelectronics , materials science , diode , quantum efficiency , deep blue , power (physics) , electrical efficiency , efficient energy use , phosphorescent organic light emitting diode , high energy , engineering physics , electrical engineering , nanotechnology , optics , physics , photochemistry , chemistry , engineering , layer (electronics) , quantum mechanics , fluorescence

Improved device performance in red, green, and deep‐blue phosphorescent organic light‐emitting diodes is achieved using a new high‐triplet‐energy hole transport material. The driving voltage is lowered and the power efficiency is improved by more than 70% using the new hole transport material.

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