Ink composition and electronic device including film formed using the ink composition
US-12516211-B2 · Jan 6, 2026 · 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 | C09K11/892 |
| Official title | {Chalcogenides} |
| Display label | Chalcogenides |
| Total patents | 50 |
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 | 2 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photoactive, inorganic ligand-capped inorganic nanocrystals
US-12265328-B2 · Apr 1, 2025 · US
Systems and methods for quantum dot on nanoplatelet heterostructures with tunable emission in the shortwave infrared
US-12031075-B2 · Jul 9, 2024 · US
Multi-band infrared imaging using stacked colloidal quantum-dot photodiodes
US-12015093-B2 · Jun 18, 2024 · US
Quantum dot layer and manufacturing method thereof, quantum dot color filter, color filter substrate, display panel, and display device
US-12012539-B2 · Jun 18, 2024 · US
Photoactive, inorganic ligand-capped inorganic nanocrystals
US-2023341770-A1 · Oct 26, 2023 · US
Method of preparing quantum dot, optical member including the quantum dot prepared using the method, and electronic device including the quantum dot
US-2023323203-A1 · Oct 12, 2023 · US
Photoactive, inorganic ligand-capped inorganic nanocrystals
US-11720017-B2 · Aug 8, 2023 · US
Ink composition and electronic device including film formed using the ink composition
US-2023098571-A1 · Mar 30, 2023 · US
Ink composition and electronic device including film formed using the ink composition
US-2023095507-A1 · Mar 30, 2023 · US
Polymer, quantum dot composition and light-emitting device employing the same
US-2022384728-A1 · Dec 1, 2022 · US
Method of preparation of nanoparticles using mercury thiolate compounds
US-11377590-B2 · Jul 5, 2022 · US
Quantum dot and manufacturing method for the same and application using the same
US-11362236-B2 · Jun 14, 2022 · US
Preparation of nanoparticle materials
US-11339327-B2 · May 24, 2022 · US
Multi-band infrared imaging using stacked colloidal quantum-dot photodiodes
US-2022085225-A1 · Mar 17, 2022 · US
Systems and Methods for Quantum Dot on Nanoplatelet Heterostructures with Tunable Emission in the Shortwave Infrared
US-2022064531-A1 · Mar 3, 2022 · US
Quantum Dot Layer and Manufacturing Method Thereof, Quantum Dot Color Filter, Color Filter Substrate, Display Panel, and Display Device
US-2021222065-A1 · Jul 22, 2021 · US
Intraband transition-based infrared device of nonstoichiometric quantum dots
US-11066597-B2 · Jul 20, 2021 · US
Light-emitting film, production method thereof, and a light emitting device including the same
US-11050033-B2 · Jun 29, 2021 · US
Method of preparation of nanoparticles using mercury thiolate compounds
US-2021087462-A1 · Mar 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/892?
- CPC C09K11/892 is the Cooperative Patent Classification code for “Chalcogenides.”
- How many patents are filed under CPC C09K11/892 (Chalcogenides)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/892 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).