Organic electroluminescent unit, method for manufacturing...

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

Reexamination Certificate

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C445S024000

Reexamination Certificate

active

07902745

ABSTRACT:
An organic electroluminescent unit includes an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, a hole transport layer disposed between the anode and the light-emitting layer, and a hole transport layer-protecting layer disposed between the hole transport layer and the light-emitting layer.

REFERENCES:
patent: 6023073 (2000-02-01), Strite
patent: 2006/0017377 (2006-01-01), Ryu
patent: 2007/0007538 (2007-01-01), Ono et al.
patent: 2007/0159085 (2007-07-01), Kuma et al.
patent: A-2004-335475 (2004-11-01), None

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