Quantum dot, method for preparing quantum dot, and display device including quantum dot
US-2024166944-A1 · May 23, 2024 · US
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 | C09K11/562 |
| Official title | {Chalcogenides} |
| Display label | Chalcogenides |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 16 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor nanoparticle, and color conversion panel and electronic device including the same
US-2023295492-A1 · Sep 21, 2023 · US
Semiconductor nanoparticle, production method thereof, and electroluminescent device and display device including the same
US-2023235220-A1 · Jul 27, 2023 · US
Quantum dots, a composition or composite including the same, and an electronic device including the same
US-2023193131-A1 · Jun 22, 2023 · US
Semiconductor nanoparticles comprising ZnSTe shell layer
US-11505742-B2 · Nov 22, 2022 · US
Quantum dots and quantum dot solutions
US-2022169921-A1 · Jun 2, 2022 · US
Light emitting element, light emitting device, and apparatus for producing light emitting element
US-11342524-B2 · May 24, 2022 · US
Method for obtaining an n-type doped metal chalcogenide quantum dot solid-state film, and an optoelectronic device comprising the obtained film
US-11276792-B2 · Mar 15, 2022 · US
Methods for the synthesis of transition metal dichalcogenide (TMDC) nanoparticles
US-11274247-B2 · Mar 15, 2022 · US
Quantum dots and quantum dot solutions
US-11254863-B2 · Feb 22, 2022 · US
Thallium doped gadolinium chalcogenide nanocomposite
US-11215559-B2 · Jan 4, 2022 · US
Thallium-gadolinium-chalcogenide nanodot composition
US-11209365-B1 · Dec 28, 2021 · US
Quantum dot nanocomposite containing benzothiazolium
US-11209366-B1 · Dec 28, 2021 · US
Thallium-gadolinium-yttrium nanodot composition
US-2021381973-A1 · Dec 9, 2021 · US
Quantum dot nanocomposite containing benzothiazolium
US-2021381974-A1 · Dec 9, 2021 · US
Thallium doped gadolinium chalcogenide nanocomposite
US-2021341388-A1 · Nov 4, 2021 · US
Method of detecting antimony ions and method of removing antimony ions using a fluorescent nanocomposite
US-11143592-B2 · Oct 12, 2021 · US
Compositions, quantum dot polymer composites prepared therefrom, and devices including the same
US-2021284905-A1 · Sep 16, 2021 · US
Infrared Fluorescent Coatings
US-2021253876-A1 · Aug 19, 2021 · US
Blue light emitting nanocrystals composed of earth-abundant/non-toxic elements
US-2021207024-A1 · Jul 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/562?
- CPC C09K11/562 is the Cooperative Patent Classification code for “Chalcogenides.”
- How many patents are filed under CPC C09K11/562 (Chalcogenides)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/562 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).