Holographic display apparatus and method for providing expanded viewing window
US-2020400953-A1 · Dec 24, 2020 · US
Polarised light
Polarised light · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03H2222/31 |
| Official title | Polarised light |
| Display label | Polarised light |
| Total patents | 194 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 19 |
| 2021 | 25 |
| 2022 | 37 |
| 2023 | 27 |
| 2024 | 18 |
| 2025 | 21 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for combining light beams which interact with adjacently arranged pixels of a light modulator
US-10871674-B2 · Dec 22, 2020 · US
Eye tracking system with holographic film decoder
US-10866634-B2 · Dec 15, 2020 · US
Display device including optical element having adjustable refractive index and display method
US-10795191-B2 · Oct 6, 2020 · US
Optical element, display device, and method for manufacturing optical element
US-2020301157-A1 · Sep 24, 2020 · US
Multi-image display apparatus providing holographic image
US-2020264441-A1 · Aug 20, 2020 · US
Display device and display method
US-2020183209-A1 · Jun 11, 2020 · US
Backlight unit and holographic display apparatus including the same
US-2020150587-A1 · May 14, 2020 · US
Digital holographic imaging apparatus and illumination apparatus
US-10649405-B2 · May 12, 2020 · US
Diffraction gratings formed by metasurfaces having differently oriented nanobeams
US-2020142110-A1 · May 7, 2020 · US
Method and master for producing a volume hologram
US-10642221-B2 · May 5, 2020 · US
Rotational Geometric Phase Hologram with Application for Fabricating Geometric Phase Optical Element
US-2020096689-A1 · Mar 26, 2020 · US
Photosensitive polymers for volume holography
US-2020081398-A1 · Mar 12, 2020 · US
Display Illumination Systems
US-2020057308-A1 · Feb 20, 2020 · US
Device for combining light beams which interact with adjacently arranged pixels of a light modulator
US-2020033672-A1 · Jan 30, 2020 · US
Method for Holographic Mastering and Replication
US-2020033802-A1 · Jan 30, 2020 · US
Holographic display device having reduced chromatic aberration
US-2020012092-A1 · Jan 9, 2020 · US
Eye tracking system with holographic film decoder
US-2019384386-A1 · Dec 19, 2019 · US
Thin film optics
US-2019377116-A1 · Dec 12, 2019 · US
Assemblies of Anisotropic Optical Elements and Methods of Making
US-2019353891-A1 · Nov 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03H2222/31?
- CPC G03H2222/31 is the Cooperative Patent Classification code for “Polarised light.”
- How many patents are filed under CPC G03H2222/31 (Polarised light)?
- Our database includes 194 publications tagged with this CPC code.
- Is patent activity under CPC G03H2222/31 growing?
- Publication counts under this code: 18 in 2024 vs 21 in 2025 (latest complete years).