Heterocyclic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device
US-2024373662-A1 · Nov 7, 2024 · US
Heterocyclic compounds
Heterocyclic compounds · 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 | C09K2211/1018 |
| Official title | Heterocyclic compounds |
| Display label | Heterocyclic compounds |
| Total patents | 2,943 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 31 |
| 2016 | 18 |
| 2017 | 42 |
| 2018 | 156 |
| 2019 | 205 |
| 2020 | 303 |
| 2021 | 339 |
| 2022 | 419 |
| 2023 | 493 |
| 2024 | 504 |
| 2025 | 340 |
| 2026 | 93 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heterocyclic compound, organic light-emitting element comprising same, and composition for organic material layer
US-2024298525-A1 · Sep 5, 2024 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2024276876-A1 · Aug 15, 2024 · US
Organic electroluminescent device
US-2024032317-A1 · Jan 25, 2024 · US
Lead-Loaded Structured Solid Organic Scintillator
US-2017352445-A1 · Dec 7, 2017 · US
Light emitting electrochemical cells and compounds
US-2017352818-A1 · Dec 7, 2017 · US
Compound and organic light-emitting device including the same
US-2017352820-A1 · Dec 7, 2017 · US
Organic electroluminescent materials and devices
US-2017346021-A1 · Nov 30, 2017 · US
Organic light-emitting device
US-2017331039-A1 · Nov 16, 2017 · US
Compound for organic optoelectronic element, organic optoelectronic element comprising same, and display device
US-2017294592-A1 · Oct 12, 2017 · US
Organic electroluminescent material and organic optoelectronic device
US-2017263871-A1 · Sep 14, 2017 · US
Sub-diffraction limit image resolution and other imaging techniques
US-2016370295-A1 · Dec 22, 2016 · US
OLEDs doped with phosphorescent compounds
US-9508940-B2 · Nov 29, 2016 · US
Organic light-emitting device
US-2016322581-A1 · Nov 3, 2016 · US
Condensed cyclic compound and organic light-emitting device comprising the same
US-2016308144-A1 · Oct 20, 2016 · US
Compound for organic photoelectric device and organic photoelectric device including the same
US-9450193-B2 · Sep 20, 2016 · US
Fluorescent isoindoline dyes
US-9412955-B2 · Aug 9, 2016 · US
Heterocyclic compound and organic light-emitting device including the same
US-9391280-B2 · Jul 12, 2016 · US
Organic light-emitting device
US-2016190473-A1 · Jun 30, 2016 · US
Organic light-emitting device
US-2016190475-A1 · Jun 30, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K2211/1018?
- CPC C09K2211/1018 is the Cooperative Patent Classification code for “Heterocyclic compounds.”
- How many patents are filed under CPC C09K2211/1018 (Heterocyclic compounds)?
- Our database includes 2,943 publications tagged with this CPC code.
- Is patent activity under CPC C09K2211/1018 growing?
- Publication counts under this code: 504 in 2024 vs 340 in 2025 (latest complete years).