Transparent Coatings With Multilayer Flake Pigments
US-2018373085-A1 · Dec 27, 2018 · US
Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)}
Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/135 |
| Official title | Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)} |
| Display label | Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)} |
| Total patents | 225 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 13 |
| 2017 | 30 |
| 2018 | 11 |
| 2019 | 21 |
| 2020 | 34 |
| 2021 | 26 |
| 2022 | 18 |
| 2023 | 24 |
| 2024 | 21 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
SWIR to visible up-conversion optical system
US-10126582-B2 · Nov 13, 2018 · US
Display device
US-2018284538-A1 · Oct 4, 2018 · US
Swir to visible up-conversion optical system
US-2018203285-A1 · Jul 19, 2018 · US
Reducing Fringe Field Effect for Spatial Light Modulator
US-2018164643-A1 · Jun 14, 2018 · US
Photosensitive structure, photosensitive display substrate, and fabrication and control methods of the photosensitive display substrate
US-9939960-B2 · Apr 10, 2018 · US
Display panel, display device and driving method thereof
US-2018059496-A1 · Mar 1, 2018 · US
Illumination unit and display
US-9891513-B2 · Feb 13, 2018 · US
Spatial light modulator and display device
US-2018004054-A1 · Jan 4, 2018 · US
Transmitter, transmitting method, and receiving method
US-2017363895-A1 · Dec 21, 2017 · US
Liquid crystal display device and display device
US-2017343878-A1 · Nov 30, 2017 · US
Substrate for display apparatus, display apparatus, and method of manufacturing substrate for display apparatus
US-2017329157-A1 · Nov 16, 2017 · US
Polarizer, manufacturing method thereof, display panel and display device
US-2017307918-A1 · Oct 26, 2017 · US
Liquid crystal display device and display device
US-9791757-B2 · Oct 17, 2017 · US
Transmitter, transmitting method, and receiving method
US-9791727-B2 · Oct 17, 2017 · US
Conformal light-emitting display assembly
US-2017293183-A1 · Oct 12, 2017 · US
Optical module and light exposure device
US-9784980-B2 · Oct 10, 2017 · US
Display Panel and Mobile Terminal Having the Same
US-2017276977-A1 · Sep 28, 2017 · US
Cooler for optics transmitting high intensity light
US-2017219855-A1 · Aug 3, 2017 · US
Additive Manufacturing System And Method
US-2017144224-A1 · May 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/135?
- CPC G02F1/135 is the Cooperative Patent Classification code for “Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)}.”
- How many patents are filed under CPC G02F1/135 (Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)})?
- Our database includes 225 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/135 growing?
- Publication counts under this code: 21 in 2024 vs 16 in 2025 (latest complete years).