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US 2022/0285644 A1Published application
Light-emitting element and display device
AssigneeSharp Kabushiki Kaisha
InventorsDAISUKE HONDA, YOSHIHIRO UETA
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Abstract
A light-emitting element includes: an electron transport layer; a hole transport layer; and a light-emitting layer between the electron transport layer and the hole transport layer, the light-emitting layer including: quantum dots; and ligands coordinated to the quantum dots, wherein the ligands in the light-emitting layer have a lower concentration on an electron transport layer side of the light-emitting layer than on a hole transport layer side of the light-emitting layer.
Claims12
A light-emitting element comprising:
- an electron transport layer;
- a hole transport layer;
- and
- a light-emitting layer between the electron transport layer and the hole transport layer, the light-emitting layer including:
- quantum dots;
- and
- ligands coordinated to the quantum dots, wherein
- the ligands in the light-emitting layer have a lower concentration on an electron transport layer side of the light-emitting layer than on a hole transport layer side of the light-emitting layer.
5 more elements
Dependencies are inferred from the claim text.