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US 2026/0132052 A1Published application
Nanoparticle, and ink composition, light-emitting device, electronic apparatus and electronic device, including the nanoparticle
AssigneesSamsung Display Co., Ltd., Research & Business Foundation Sungkyunkwan University
InventorsMyoungjin Park, Jaehoon Lim, Woon Ho Jung, Yeongho Choi
Life of this patent
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Abstract
Nanoparticles, and an ink composition, a light-emitting device, an electronic apparatus, and an electronic device, including the nanoparticles are provided. Each of the nanoparticles include a metal oxide nanoparticle represented by Formula 1 and a ligand on the surface of the metal oxide nanoparticle, and the ligand includes a carboxyl group: wherein, in Formula 1, 0<x<1 and M includes at least one metal element.
Claims20
Nanoparticles, each nanoparticle comprising:
- a ligand on a surface of the metal oxide nanoparticle,
- wherein the ligand comprises a carboxyl group:
- wherein, in Formula 1, 0<x<1 and M comprises at least one metal element.
A light-emitting device, comprising:
- a first electrode;
- a second electrode opposite to the first electrode;
- and
- an interlayer between the first electrode and the second electrode and including an emission layer,
- wherein the interlayer further comprises a hole transport region between the first electrode and the emission layer,
- the hole transport region comprises nanoparticles,
- each of the nanoparticles comprise a metal oxide nanoparticle represented by Formula 1, and
- a ligand on a surface of the metal oxide nanoparticle, and
- the ligand comprises a carboxyl group:
- wherein, in Formula 1, 0<x<1 and M comprises at least one metal element.
7 more elements
Dependencies are inferred from the claim text.