ELECTROLUMINESCENCE DEVICE
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Mar 29, 2010
filing date -
Mar 30, 2009
priority date (Note) -
Abandoned
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Abstract
An electroluminescence device (1) realizes high light emission efficiency, high durability, and high extraction efficiency. The device includes electrodes (11, 17); a plurality of layers (12 through 16) that are deposited between the electrodes (11, 17); and a light emitting region (14) between the plurality of layers (12 through 16). The light emitting region (14) emits light by application of an electric field between the electrodes (11, 17). The thickness and the refractive index of each of the plurality of layers (12 through 16) satisfy a resonance condition in the electroluminescence device (1) that makes a region in which the intensity of the electric field of a standing wave (19) by the light emitted from the light emitting region (14) is the highest substantially coincide with the light emitting region (14). A metal member (20) that induces plasmon resonance on the surface thereof by the emitted light is arranged in the vicinity of the light emitting region (14).
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