Phosphor, manufacturing method thereof, and light-emitting device using the phosphor
US-10519368-B2 · Dec 31, 2019 · US
containing manganese or rhenium
containing manganese or rhenium · 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 | C09K11/57 |
| Official title | containing manganese or rhenium |
| Display label | containing manganese or rhenium |
| Total patents | 117 |
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 | 3 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 18 |
| 2019 | 20 |
| 2020 | 15 |
| 2021 | 15 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Boron nitride fluorescent material, and method for producing the same
US-2019309222-A1 · Oct 10, 2019 · US
Method for producing fluorescent material, and fluorescent material
US-2019300785-A1 · Oct 3, 2019 · US
Inorganic emitting particle, inorganic emitting particle film, and LED package and display device including the same
US-10431712-B2 · Oct 1, 2019 · US
Coated red line emitting phosphors
US-2019292448-A1 · Sep 26, 2019 · US
Method of preparing luminescent nano-sheet, luminescent nano-sheet material, luminescent nano-sheet film, back light, and liquid crystal display apparatus
US-10421902-B2 · Sep 24, 2019 · US
Optoelectronic Component
US-2019280169-A1 · Sep 12, 2019 · US
Method of preparing luminescent nano-sheet, luminescent nano-sheet material, luminescent nano-sheet film, back light, and liquid crystal display apparatus
US-2019270933-A1 · Sep 5, 2019 · US
Fluoride fluorescent material and light emitting device
US-10400166-B2 · Sep 3, 2019 · US
Image display apparatus
US-10381528-B2 · Aug 13, 2019 · US
Lutetium nitride-based phosphor and light emitting device comprising same
US-2019225882-A1 · Jul 25, 2019 · US
Phosphor and light emitting device having the same
US-10336936-B2 · Jul 2, 2019 · US
Red phosphor and light emitting device comprising same
US-2019169496-A1 · Jun 6, 2019 · US
Method for producing and method for processing complex fluoride phosphor
US-10214687-B2 · Feb 26, 2019 · US
Aluminate fluorescent material, light emitting device using the same, and method of producing aluminate fluorescent material
US-10208247-B2 · Feb 19, 2019 · US
Method of preparing luminescent nano-sheet, luminescent nano-sheet material, luminescent nano-sheet film, back light, and liquid crystal display apparatus
US-2019010393-A1 · Jan 10, 2019 · US
Phosphor and light emitting device having the same
US-2019002761-A1 · Jan 3, 2019 · US
Manganese-doped red fluoride phosphor, light emitting device, and backlight module
US-2018366614-A1 · Dec 20, 2018 · US
Light-emitting device
US-10084119-B2 · Sep 25, 2018 · US
Metal fluoride red phosphor and light emitting element using same
US-2018265780-A1 · Sep 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/57?
- CPC C09K11/57 is the Cooperative Patent Classification code for “containing manganese or rhenium.”
- How many patents are filed under CPC C09K11/57 (containing manganese or rhenium)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/57 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).