Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device
US-11873437-B2 · Jan 16, 2024 · US
containing selenium, tellurium or unspecified chalcogen elements
containing selenium, tellurium or unspecified chalcogen 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 | C09K11/88 |
| Official title | containing selenium, tellurium or unspecified chalcogen elements |
| Display label | containing selenium, tellurium or unspecified chalcogen elements |
| Total patents | 322 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 19 |
| 2018 | 13 |
| 2019 | 21 |
| 2020 | 21 |
| 2021 | 28 |
| 2022 | 38 |
| 2023 | 49 |
| 2024 | 66 |
| 2025 | 41 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cd-free colloidal quantum dot capable of emitting visible fluorescence, and method for producing same
US-2019367810-A1 · Dec 5, 2019 · US
Narrow band red phosphor
US-10479937-B2 · Nov 19, 2019 · US
Quantum dot film and applications thereof
US-2019326534-A1 · Oct 24, 2019 · US
Micro-Grid Luminescent Solar Concentrators and Related Methods of Manufacturing
US-2019326460-A1 · Oct 24, 2019 · US
Mechanisms of local stress sensing in multifunctional polymer films using fluorescent tetrapod nanocrystals
US-10429256-B2 · Oct 1, 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
Fluorescent nanoparticles stabilized with a functional aminosilicone
US-2019218453-A1 · Jul 18, 2019 · US
Quantum dot-containing composition, wavelength conversion member, backlight unit, and liquid crystal display device
US-2019144689-A1 · May 16, 2019 · US
Modification of colloidal nanocrystals
US-10290387-B2 · May 14, 2019 · US
I-III-VI type quantum dots, light-emitting device using the same and fabricating methods thereof
US-10222546-B2 · Mar 5, 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
Homogeneous anaerobically stable quantum dot concentrates
US-2018370800-A1 · Dec 27, 2018 · US
Masked cation exchange lithography
US-10160906-B2 · Dec 25, 2018 · US
Quantum dot and light emitting diode including the same
US-10147844-B2 · Dec 4, 2018 · US
Method and article for emitting radiation from a surface
US-10107948-B2 · Oct 23, 2018 · US
Manufacturing method of quantum dot
US-2018291268-A1 · Oct 11, 2018 · US
Light emitter, method for producing light emitter, and biological substance labeling agent
US-2018291267-A1 · Oct 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K11/88?
- CPC C09K11/88 is the Cooperative Patent Classification code for “containing selenium, tellurium or unspecified chalcogen elements.”
- How many patents are filed under CPC C09K11/88 (containing selenium, tellurium or unspecified chalcogen elements)?
- Our database includes 322 publications tagged with this CPC code.
- Is patent activity under CPC C09K11/88 growing?
- Publication counts under this code: 66 in 2024 vs 41 in 2025 (latest complete years).