Structure for high efficiency electroluminescent device

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

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313498, 428917, H05B 3300

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active

060971479

ABSTRACT:
A light emitting device including a pixel having a substantially transparent anode; a hole transporting layer over the anode; an emission layer over the hole transporting layer; a blocking layer over the emission layer; an electron transporting layer over the blocking layer; and a cathode in electrical contact with the electron transporting layer.

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