P‐171: High‐Efficiency Low‐Voltage Phosphorescent OLED Devices with Mixed Host | Zendy

Kondakova Marina E. | Zendy; Deaton Joseph C. | Zendy; Kondakov Denis Y. | Zendy; Pawlik Thomas D. | Zendy; Young Ralph H. | Zendy; Brown Christopher T. | Zendy; Giesen David J. | Zendy

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P‐171: High‐Efficiency Low‐Voltage Phosphorescent OLED Devices with Mixed Host

Author(s) -

Kondakova Marina E.,

Deaton Joseph C.,

Kondakov Denis Y.,

Pawlik Thomas D.,

Young Ralph H.,

Brown Christopher T.,

Giesen David J.

Publication year - 2007

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1889/1.2785438

Subject(s) - phosphorescence , oled , materials science , optoelectronics , carbazole , voltage , layer (electronics) , diode , host (biology) , low voltage , electrical efficiency , electrical engineering , nanotechnology , chemistry , power (physics) , photochemistry , physics , optics , fluorescence , engineering , ecology , quantum mechanics , biology

We demonstrate high‐efficiency, low‐voltage phosphorescent OLED devices (PHOLEDs) using mixed host materials in the light‐emitting layer (LEL) and novel formulations in the electrontransporting/ electron‐injecting layers (ETL/EIL). The LEL architecture offers significant improvement in efficiency and voltage compared to conventional phosphorescent OLEDs with carbazole‐based hosts. Further voltage reduction in our PHOLEDs is achieved through use of a novel material formulation in the ETL and EIL.

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