High reliability, high efficiency, integratable organic light em

Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type

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H01J 162, H01J 6304

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active

060465433

ABSTRACT:
An organic light emitting device (OLED) having an inverted structure including a cathode layer which is deposited on a substrate and on top of which an electron transporting layer (ETL), an electroluminescent (EL) layer, a hole transporting layer (HTL), a protection layer and an anode are deposited in sequence. The inverted OLED (IOLED) provides improved longevity, flexibility and efficiency over conventional OLEDs.

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