Metal oxide nanoparticles and preparation method thereof, quantum dot light-emitting diode
US-12305099-B2 · May 20, 2025 · US
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Chalcogenides
Chalcogenides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09K11/602 |
| Official title | {Chalcogenides} |
| Display label | Chalcogenides |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Near-infrared fluorescent quantum dot for achieving rapid renal clearance, and preparation method and application thereof
US-2025152752-A1 · May 15, 2025 · US
Precursor Composition and Method of Preparation Thereof, Inorganic Nanocrystals Preparation Method
US-2025136864-A1 · May 1, 2025 · US
Metal oxide nanoparticles and preparation method thereof, quantum dot light-emitting diode
US-2022267671-A1 · Aug 25, 2022 · US
Methods for the synthesis of transition metal dichalcogenide (TMDC) nanoparticles
US-11274247-B2 · Mar 15, 2022 · US
Synthesis of luminescent 2d layered materials using an amine-metal complex and a slow sulfur-releasing precursor
US-2021047561-A1 · Feb 18, 2021 · US
Synthesis of luminescent 2D layered materials using an amine-met al complex and a slow sulfur-releasing precursor
US-10883046-B2 · Jan 5, 2021 · US
Methods of producing metal sulfides, metal selenides, and metal sulfides/selenides having controlled architectures using kinetic control
US-10767112-B2 · Sep 8, 2020 · US
Transparency and color tunable electro-optical device using colloidal core/shell nanoparticles
US-10732480-B2 · Aug 4, 2020 · US
Novel transparency and color tunable electro-optical device using colloidal core/shell nanoparticles
US-2019004390-A1 · Jan 3, 2019 · US
Quantum dot and light emitting diode including the same
US-10147844-B2 · Dec 4, 2018 · US
Synthesis of luminescent 2d layered materials using an amine-metal complex and a slow sulfur-releasing precursor
US-2018216000-A1 · Aug 2, 2018 · US
Methods of producing metal sulfides, metal selenides, and metal sulfides/selenides having controlled architectures using kinetic control
US-2017369779-A1 · Dec 28, 2017 · US
Quantum dot and light emitting diode including the same
US-2017186909-A1 · Jun 29, 2017 · US
Photochromic substance and method for producing same
US-9663398-B2 · May 30, 2017 · US
Colored contact lens
US-2017139232-A1 · May 18, 2017 · US