Luminescent nanocrystal complex
US-2019382655-A1 · Dec 19, 2019 · US
containing sulfur
containing sulfur · 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 | C09K11/56 |
| Official title | containing sulfur |
| Display label | containing sulfur |
| Total patents | 206 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 11 |
| 2017 | 10 |
| 2018 | 18 |
| 2019 | 29 |
| 2020 | 19 |
| 2021 | 23 |
| 2022 | 22 |
| 2023 | 21 |
| 2024 | 26 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Partial drive-type light source device and image display device using same
US-2019369441-A1 · Dec 5, 2019 · US
Light-emitting film, production method thereof, and a light emitting device including the same
US-2019326533-A1 · Oct 24, 2019 · US
Inorganic nano fluorescent particle composite and wavelength converting member
US-2019241805-A1 · Aug 8, 2019 · US
Highly luminescent semiconductor nanocrystals
US-2019218455-A1 · Jul 18, 2019 · US
Quantum dots with inorganic ligands in an inorganic matrix
US-10340427-B2 · Jul 2, 2019 · US
Phosphor-containing film and backlight unit
US-2019194530-A1 · Jun 27, 2019 · US
Quantum dot having core-shell structure
US-2019136130-A1 · May 9, 2019 · US
Borole compound and organic light-emitting device including the same
US-10259996-B2 · Apr 16, 2019 · US
Methods for encapsulating nanocrystals and resulting compositions
US-10214686-B2 · Feb 26, 2019 · US
Quantum rod, synthesis method of the same and quantum rod display device
US-10217882-B2 · Feb 26, 2019 · US
Wavelength conversion member, backlight unit, and liquid crystal display device
US-10203554-B2 · Feb 12, 2019 · US
Compositions comprising quantum dots
US-10190043-B2 · Jan 29, 2019 · US
Squared-off semiconductor coatings for quantum dots (QDs)
US-10186631-B2 · Jan 22, 2019 · US
Molded nanoparticle phosphor for light emitting applications
US-2018346805-A1 · Dec 6, 2018 · US
Partial drive-type light source device and image display device using same
US-2018292712-A1 · Oct 11, 2018 · US
Molded nanoparticle phosphor for light emitting applications
US-10066158-B2 · Sep 4, 2018 · US
Photosensitive compositions, quantum dot polymer composite produced therefrom, and layered structures and electronic device including the same
US-2018239247-A1 · Aug 23, 2018 · US
Photosensitive compositions, preparation methods thereof, and quantum dot polymer composite pattern produced therefrom
US-2018239246-A1 · Aug 23, 2018 · US
Semiconductor nanoparticle-based materials
US-10032964-B2 · Jul 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/56?
- CPC C09K11/56 is the Cooperative Patent Classification code for “containing sulfur.”
- How many patents are filed under CPC C09K11/56 (containing sulfur)?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/56 growing?
- Publication counts under this code: 26 in 2024 vs 15 in 2025 (latest complete years).