Display device
US-2017371219-A1 · Dec 28, 2017 · US
caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions
caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/1503 |
| Official title | caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions |
| Display label | caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions |
| Total patents | 241 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 27 |
| 2017 | 27 |
| 2018 | 31 |
| 2019 | 35 |
| 2020 | 26 |
| 2021 | 21 |
| 2022 | 23 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochromic composition
US-9841652-B2 · Dec 12, 2017 · US
Electrochromic grating and 3D display device
US-9823484-B2 · Nov 21, 2017 · US
Electrochromic single and two-core viologens and optical articles containing them
US-9823534-B2 · Nov 21, 2017 · US
Electrochromic element, method of driving the same, an optical filter, lens unit, image pick-up device and window material
US-9798213-B2 · Oct 24, 2017 · US
Electrochromic composition
US-9785030-B2 · Oct 10, 2017 · US
Transparent display device
US-9772538-B2 · Sep 26, 2017 · US
Sealant, preparation method thereof, curing method, and display apparatus
US-9771514-B2 · Sep 26, 2017 · US
Electro-optic structures having a glass strip as a seal
US-9766496-B2 · Sep 19, 2017 · US
Electrochromic element, optical filter, lens unit, and image pick-up apparatus
US-2017235202-A1 · Aug 17, 2017 · US
Organic compound, electrochromic element containing the same, optical filter, lens unit, imaging device, and window component
US-9701671-B2 · Jul 11, 2017 · US
Electrochromic multi-layer devices with charge sequestration and related methods
US-2017146882-A1 · May 25, 2017 · US
Electrochromic grating and 3d display device
US-2017082864-A1 · Mar 23, 2017 · US
Electrochromic multi-layer devices with charge sequestration and related methods
US-9581877-B2 · Feb 28, 2017 · US
Emissive display system
US-9575359-B2 · Feb 21, 2017 · US
Electrochromic element, method of driving the same, an optical filter, lens unit, image pick-up device and window material
US-2016357082-A1 · Dec 8, 2016 · US
Electronically switchable privacy device
US-9500888-B2 · Nov 22, 2016 · US
Electrochromic polyelectrolyte gel medium having improved creep resistance and associated electrochromic device
US-9500927-B2 · Nov 22, 2016 · US
Driving device for electrochromic device, electrochromic apparatus, optical filter, imaging apparatus, lens unit, and window member including electrochromic device, and method for driving electrochromic device
US-2016306251-A1 · Oct 20, 2016 · US
Sealant, preparation method thereof, curing method, and display apparatus
US-2016304774-A1 · Oct 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/1503?
- CPC G02F1/1503 is the Cooperative Patent Classification code for “caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions.”
- How many patents are filed under CPC G02F1/1503 (caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions)?
- Our database includes 241 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/1503 growing?
- Publication counts under this code: 12 in 2024 vs 8 in 2025 (latest complete years).