Electronic appliance and light-emitting device

Details Electronic appliance and light-emitting device Electronic appliance and light-emitting device

2011-08-16

2011-08-16

Patel, Ashok (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S113000, C428S917000

Reexamination Certificate

active

07999460

ABSTRACT:
An EL element having a novel structure is provided, which is suitable for AC drive. A light-emitting element of the invention is provided with material layers (material layers each having approximately symmetric I-V characteristics with respect to the zero point in a graph having the abscissa axis showing current values and the ordinate axis showing voltage values) between a first electrode and a layer including an organic compound and between the layer including the organic compound and a second electrode respectively. Specifically, each of the material layers is a composite layer including a metal oxide and an organic compound.

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U.S. Appl. No. 10/581,410 (pending) to Kumaki, filed Jun. 1, 2006, including specification, claims, abstract, and drawings as filed.

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