Abstract
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 laver, and highly efficient blue electrophosphorescent dopant.
Original language | English (US) |
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Pages (from-to) | 624-628 |
Number of pages | 5 |
Journal | Advanced Materials |
Volume | 16 |
Issue number | 7 |
DOIs | |
State | Published - Apr 5 2004 |