Multiview display device
US-2016377877-A1 · Dec 29, 2016 · US
Materials having a particular birefringence, retardation
Materials having a particular birefringence, retardation · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2202/40 |
| Official title | Materials having a particular birefringence, retardation |
| Display label | Materials having a particular birefringence, retardation |
| Total patents | 270 |
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 | 30 |
| 2016 | 30 |
| 2017 | 19 |
| 2018 | 27 |
| 2019 | 30 |
| 2020 | 25 |
| 2021 | 43 |
| 2022 | 15 |
| 2023 | 22 |
| 2024 | 14 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nanostructured acousto-optic device, and optical scanner, optical modulator, and holographic display apparatus using the nanostructured acousto-optic device
US-2016377954-A1 · Dec 29, 2016 · US
Optical film stack including retardation layer
US-2016377781-A1 · Dec 29, 2016 · US
Curved Liquid Crystal Display Panel and Curved Liquid Crystal Display Device
US-2016357038-A1 · Dec 8, 2016 · US
Nanostructured acousto-optic device, and optical scanner, optical modulator, and holographic display apparatus using the nanostructured acousto-optic device
US-9477101-B2 · Oct 25, 2016 · US
Triazine ring-containing polymer and film-forming composition containing same
US-9469729-B2 · Oct 18, 2016 · US
Gradient index (grin) backplane routing
US-2016299405-A1 · Oct 13, 2016 · US
Polymerizable compound, polymerizable composition, polymer, optically anisotropic body, and method for producing polymerizable compound
US-2016280672-A1 · Sep 29, 2016 · US
Tft-lcd panel, method for preparing the same and tft display device
US-2016274399-A1 · Sep 22, 2016 · US
Liquid crystal panel and liquid crystal display
US-2016274400-A1 · Sep 22, 2016 · US
Retardation film, and optical compensation layer, optical compensation polarizing plate, liquid crystal display device and organic el display device each using said retardation film
US-2016274286-A1 · Sep 22, 2016 · US
Multiview display device
US-9448459-B2 · Sep 20, 2016 · US
Optically anisotropic sheet
US-9442232-B2 · Sep 13, 2016 · US
Device for regulating the entry of light
US-2016257885-A1 · Sep 8, 2016 · US
Optical film, optical compensation film, polarizing plate and liquid crystal display
US-2016231606-A1 · Aug 11, 2016 · US
Planar waveguide faraday rotator
US-9405127-B2 · Aug 2, 2016 · US
Liquid crystal display
US-2016202556-A1 · Jul 14, 2016 · US
Liquid crystal display device
US-2016154264-A1 · Jun 2, 2016 · US
Optical film, optical compensation film, polarizing plate and liquid crystal display
US-9348177-B2 · May 24, 2016 · US
Compensation structure for liquid crystal panels and the liquid crystal displays
US-2016124264-A1 · May 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2202/40?
- CPC G02F2202/40 is the Cooperative Patent Classification code for “Materials having a particular birefringence, retardation.”
- How many patents are filed under CPC G02F2202/40 (Materials having a particular birefringence, retardation)?
- Our database includes 270 publications tagged with this CPC code.
- Is patent activity under CPC G02F2202/40 growing?
- Publication counts under this code: 14 in 2024 vs 12 in 2025 (latest complete years).