Semiconductor nanoparticle, production method thereof,electroluminescent device, production method thereof, and display including the same
US-2026033233-A1 · Jan 29, 2026 · US
characterised by the nature or concentration of the activator
characterised by the nature or concentration of the activator · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B33/18 |
| Official title | characterised by the nature or concentration of the activator |
| Display label | characterised by the nature or concentration of the activator |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Display apparatus and manufacturing method thereof
US-2025343217-A1 · Nov 6, 2025 · US
Display apparatus and manufacturing method thereof
US-12368145-B2 · Jul 22, 2025 · US
Quantum device and method for manufacturing quantum device
US-2025185129-A1 · Jun 5, 2025 · US
Display apparatus and manufacturing method thereof
US-12300685-B2 · May 13, 2025 · US
Preparation method and application of an Er doped Ga2O3 film
US-12218267-B2 · Feb 4, 2025 · US
Display apparatus and manufacturing method thereof
US-2024153936-A1 · May 9, 2024 · US
Display apparatus having a semiconductor light emitting source
US-11848316-B2 · Dec 19, 2023 · US
Display apparatus and manufacturing method thereof
US-2023387098-A1 · Nov 30, 2023 · US
Display apparatus and manufacturing method thereof
US-11817440-B2 · Nov 14, 2023 · US
Composition and organic light-emitting device including the same
US-11760769-B2 · Sep 19, 2023 · US
The Preparation Method and Application of An Er Doped Ga2O3 Film
US-2023246115-A1 · Aug 3, 2023 · US
Narrow-band green luminophore
US-2023123606-A1 · Apr 20, 2023 · US
Display apparatus and manufacturing method thereof
US-2022384406-A1 · Dec 1, 2022 · US
Display apparatus and manufacturing method thereof
US-11417640-B2 · Aug 16, 2022 · US
Display apparatus and manufacturing method thereof
US-2022157797-A1 · May 19, 2022 · US
Aromatic amine derivative, and organic electroluminescent element comprising the same
US-2022029097-A1 · Jan 27, 2022 · US
Aromatic amine derivative, and organic electroluminescent element comprising the same
US-11024806-B2 · Jun 1, 2021 · US
Display apparatus and manufacturing method thereof
US-10833057-B2 · Nov 10, 2020 · US
Display apparatus and manufacturing method thereof
US-2020328198-A1 · Oct 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B33/18?
- CPC H05B33/18 is the Cooperative Patent Classification code for “characterised by the nature or concentration of the activator.”
- How many patents are filed under CPC H05B33/18 (characterised by the nature or concentration of the activator)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC H05B33/18 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).