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US 2023/0045448 A1Published application
Quantum dot, and ink composition, light-emitting device, optical member, and apparatus, each including the same
AssigneesSamsung Display Co., Ltd., Hannam University Institute for Industry-Academia Cooperation
InventorsYunhyuk Ko, Dongryeol Whang, Changhee Lee, Kwangsup Lee, Prem PRABHAKARAN, Daeho Hwang
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Abstract
A quantum dot, and an ink composition, a light-emitting device, an optical member, and an apparatus, each including the quantum dot. The quantum dot includes: a nanoparticle; and at least one ligand on a surface of the nanoparticle, wherein the nanoparticle does not include mercury and cadmium, and the at least one ligand includes at least two thiol groups and at least one hydrophilic group.
Claims20
A quantum dot comprising:
- a nanoparticle;
- and
- at least one ligand on a surface of the nanoparticle,
- wherein:
- the nanoparticle does not comprise mercury (Hg) and cadmium (Cd);
- and
- the at least one ligand comprises at least two thiol groups and at least one hydrophilic group.
4 more elements
Dependencies are inferred from the claim text.