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US 8,263,235 B2Granted
Organic light emitting device having a high light extraction efficiency
AssigneeCanon Kabushiki Kaisha
InventorKoichi Suzuki
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Abstract
An organic light emitting device having a high light extraction efficiency and being excellent in an light emitting efficiency and durability is provided. The organic light emitting device includes an anode and a cathode, and a layer formed of an organic compound interposed between the anode and the cathode. The layer formed of the organic compound includes a light emitting layer, and the light emitting layer is formed of at least one organic light emitting material and an aliphatic compound, and a refractive index of the light emitting layer is 1.40 or more to 1.60 or less.
Claims6
An organic light emitting device comprising:
- an anode;
- a cathode;
- and
- a light emitting layer formed of an organic compound arranged between the anode and the cathode,
- wherein the light emitting layer comprises at least one organic light emitting material and an aliphatic compound not having an aromatic ring, and a refractive index of the light emitting layer is 1.40 or more to 1.60 or less.
2 more elements
Dependencies are inferred from the claim text.