Organic electroluminescence device

Details Organic electroluminescence device Organic electroluminescence device

2006-10-24

2006-10-24

Patel, Nimesh (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S506000

Reexamination Certificate

active

07126269

ABSTRACT:
A self-light-emitting type organic electroluminescence device which makes it possible to restrain to the utmost the absorption of light in an electrode layer, to efficiently take out the light and thereby to obtain sufficient luminance efficiency and the like, in the case of emitting the light through the electrode layer. In an organic electroluminescence device comprising a light-emitting layer (3) comprised of an organic material based the light-emitting layer (3) being sandwiched between a first electrode (2) and a second electrode (4), and light emitted from the light-emitting layer (3) being taken out to at least one of the side of the first electrode (2) and the side of the second electrode (4), the light absorbance of the electrode or electrodes on the side of taking out the light, of the first electrode (2) and the second electrode (4), is not more than 10%.

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Takada, Noriyuki et al., “Control of emission characteristics in organic thin-film electroluminescent diodes using an optical-microcavity structure” Applied Physics Letters, Oct. 11, 1993, vol. 63, No. 15, pp. 2032-2034, Abstract fig 1 and description thereof.

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