Blue-emitting nanocrystals with cubic shape and group iv metal fluoride passivation
US-2021277307-A1 · Sep 9, 2021 · US
containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
containing fluorine, chlorine, bromine, iodine or unspecified halogen elements · 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 | C09K11/61 |
| Official title | containing fluorine, chlorine, bromine, iodine or unspecified halogen elements |
| Display label | containing fluorine, chlorine, bromine, iodine or unspecified halogen elements |
| Total patents | 113 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 15 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluoride phosphor composite, method of manufacturing fluoride phosphor composite, white light emitting apparatus, display apparatus, lighting device, and electronic device
US-10851294-B2 · Dec 1, 2020 · US
Application of quantum dot composite material
US-10816716-B2 · Oct 27, 2020 · US
Use of an indicator as a marker in foam concentrates
US-10786696-B2 · Sep 29, 2020 · US
Perovskite quantum dot material
US-10731075-B2 · Aug 4, 2020 · US
Phosphor, producing method thereof, and light-emitting device employing the phosphor
US-10711186-B2 · Jul 14, 2020 · US
Perovskite quantum dot material
US-2020216754-A1 · Jul 9, 2020 · US
Method of producing wavelength conversion member
US-10700242-B2 · Jun 30, 2020 · US
Phosphor, production method for same, illumination instrument, and image display device
US-10662374-B2 · May 26, 2020 · US
Method for making a perovskite quantum dot material
US-10633584-B2 · Apr 28, 2020 · US
Light emitting device and display device including the same
US-2020119296-A1 · Apr 16, 2020 · US
Phosphor, light emitting device, and method for producing phosphor
US-10611956-B2 · Apr 7, 2020 · US
Fluoride-based phosphors having fast decay time and light-emitting device comprising the same
US-2020102493-A1 · Apr 2, 2020 · US
Fluoride phosphor and light-emitting device using same
US-2020095501-A1 · Mar 26, 2020 · US
Scintillator plate, radiation imaging apparatus, and method of manufacturing scintillator plate
US-2020081141-A1 · Mar 12, 2020 · US
Luminescent phosphor systems, methods of preparing the same, and articles including the same
US-2020071610-A1 · Mar 5, 2020 · US
Application of quantum dot composite material
US-2019383990-A1 · Dec 19, 2019 · US
Phosphor composition, light-emitting device package including same, and lighting device
US-10479932-B2 · Nov 19, 2019 · US
Light-emitting film, production method thereof, and a light emitting device including the same
US-2019326533-A1 · Oct 24, 2019 · US
Optical article having a photoluminescent mark
US-10444537-B2 · Oct 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/61?
- CPC C09K11/61 is the Cooperative Patent Classification code for “containing fluorine, chlorine, bromine, iodine or unspecified halogen elements.”
- How many patents are filed under CPC C09K11/61 (containing fluorine, chlorine, bromine, iodine or unspecified halogen elements)?
- Our database includes 113 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/61 growing?
- Publication counts under this code: 12 in 2024 vs 8 in 2025 (latest complete years).