Light scattering layer having particles for an organic EL light emitting device
AssigneeZeon Corporation
InventorHiroyasu Inoue
Life of this patent
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Abstract
An organic EL light-emitting device including: a light-emitting layer capable of generating light; a light-scattering structure capable of scattering the light; a first light-scattering layer containing first light-scattering particles having an average particle diameter of 0.1 μm to 2 μm and a first binder; and a concavo-convex structure in a streak array pattern, the light emitting layer, the light-scattering structure, the first light-scattering layer, and the concavo-convex structure being disposed in this order, wherein a mean free path L1 of light scattering in the first light-scattering layer and a thickness D1 of the first light-scattering layer satisfy D1/L1<15.
Claims11
An organic EL light-emitting device comprising:
- a light-emitting layer capable of generating light;
- a light-scattering structure capable of scattering the light;
- a first light-scattering layer containing first light-scattering particles having an average particle diameter of 0.1 μm to 2 μm and a first binder;
- and a concavo-convex structure in a streak array pattern, the light emitting layer, the light-scattering structure, the first light-scattering layer, and the concavo-convex structure being disposed in this order, wherein
- a mean free path L1 of light scattering in the first light-scattering layer and a thickness D1 of the first light-scattering layer satisfy D1/L1<15.
Dependencies are inferred from the claim text.