Efficient Organic Electrophosphorescent White‐Light‐Emitting Device with a Triple Doped Emissive Layer | Zendy

D'Andrade B. W. | Zendy; Holmes R. J. | Zendy; Forrest S. R. | Zendy

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Efficient Organic Electrophosphorescent White‐Light‐Emitting Device with a Triple Doped Emissive Layer

Author(s) -

D'Andrade B. W.,

Holmes R. J.,

Forrest S. R.

Publication year - 2004

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.200306670

Subject(s) - materials science , optoelectronics , dopant , doping , oled , layer (electronics) , exciton , luminous efficacy , electroluminescence , nanotechnology , physics , quantum mechanics

An organic electrophosphorescent white‐light‐emitting device (see Figure) containing green, red, and blue emitters doped into a 9 nm thick wide‐bandgap material is shown to attain a maximum forward viewing power efficiency of (26±3) lm W –1 . The high power efficiency is attributed to the efficient confinement of excitons and charge within the emissive layer, a thin emissive layer, and highly efficient blue electrophosphorescent dopant.

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