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US 12,707,802 B2Granted
Light-emitting element
AssigneeSharp Display Technology Corporation
InventorsYoshihiro Ueta, Takayuki Naka
Life of this patent
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Abstract
A monolayer film is provided between a hole injection layer and the hole transport layer.
Claims13
A light-emitting element comprising:
- an anode;
- a cathode facing the anode;
- a light-emitting layer including quantum dots, the light-emitting layer being provided between the anode and the cathode;
- a hole injection layer and a hole transport layer provided in this order from the anode side between the anode and the light-emitting layer;
- and
- a monolayer film provided between the hole injection layer and the hole transport layer,
- wherein the hole injection layer includes nanoparticles made from an inorganic material.
4 more elements
Dependencies are inferred from the claim text.