Organic electroluminescence element, and illuminating device...

Details Organic electroluminescence element, and illuminating device... Organic electroluminescence element, and illuminating device...

2011-07-05

2011-07-05

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S506000

Reexamination Certificate

active

07973469

ABSTRACT:
In an organic EL element, at the interface between a first electrode and a light-emitting layer, a diffraction grating with grating constants a, b, and c is provided in the form of surface irregularities on the first electrode. The grating constants are determined such that, when the effective refractive index as light experiences in the organic EL element is n, with respect to the periods d01, d10, and d1−1defining the periodicity of the diffraction grating, n×d01corresponds to a red region and n×d10and n×d1−1correspond to a blue to green region.

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