Liquid-crystalline medium
US-12585160-B2 · Mar 24, 2026 · US
the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/1397 |
| Official title | {the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells} |
| Display label | the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light modulating device and automobile
US-12474610-B2 · Nov 18, 2025 · US
Display device
US-12396354-B2 · Aug 19, 2025 · US
Optical stack, and manufacturing method for same, and smart window including same, and automobile or windows for building using same
US-12282220-B2 · Apr 22, 2025 · US
Display device
US-2025081800-A1 · Mar 6, 2025 · US
Light modulating device
US-12174479-B2 · Dec 24, 2024 · US
Optical stack, and manufacturing method for same, and smart window including same, and automobile or windows for building using same
US-2024288615-A1 · Aug 29, 2024 · US
Optical stack, and manufacturing method for same, and smart window including same, and automobile or windows for building using same
US-2024288729-A1 · Aug 29, 2024 · US
Light Modulating Device and Automobile
US-2024036400-A1 · Feb 1, 2024 · US
Light modulating device
US-2024004231-A1 · Jan 4, 2024 · US
Method for manufacturing a liquid crystal display device and liquid crystal display device
US-11809038-B2 · Nov 7, 2023 · US
Light modulating device
US-11803076-B2 · Oct 31, 2023 · US
Light modulating device
US-2023044224-A1 · Feb 9, 2023 · US
Light modulating device
US-11556028-B2 · Jan 17, 2023 · US
Micro light emitting diode transfer device and transfer method
US-11508604-B2 · Nov 22, 2022 · US
Method for manufacturing a liquid crystal display device and liquid crystal display device
US-2022197085-A1 · Jun 23, 2022 · US
Liquid-crystalline medium
US-2022025265-A1 · Jan 27, 2022 · US
Micro light emitting diode transfer device and transfer method
US-2021335647-A1 · Oct 28, 2021 · US
Light modulating device
US-2021191168-A1 · Jun 24, 2021 · US
Light modulating device
US-11003007-B2 · May 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/1397?
- CPC G02F1/1397 is the Cooperative Patent Classification code for “the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells.”
- How many patents are filed under CPC G02F1/1397 (the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/1397 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).