Integrated organic light emitting diode structures using doped polymers

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In this work we describe the development of single-organic-layer LED's based on doped-polymers which have high efficiency (>1% quantum efficiency measured out the back of the glass) and low drive voltage (<10 V at 100 cd/m2). The LED's are based on poly (N-vinylcarbazole) (PVK), into which various electron transport agents and emitting centers have been doped for red, green and blue emission. Proper ITO surface preparation is crucial for achieving low turn-on voltages. We will then use these LED's as model systems for the integration of multiple spin-coated organic layers onto a single substrate (for integrated red, green, and blue emitters) and for the integration of OLED's and amorphous silicon TFT's on novel substrates.

Original languageEnglish (US)
JournalSID Conference Record of the International Display Research Conference
StatePublished - Dec 1 1997

All Science Journal Classification (ASJC) codes

  • Engineering(all)


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