Increasing the field of view of near-eye displays
US-2024036333-A1 · Feb 1, 2024 · US
Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272)
Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B5/1819 |
| Official title | {Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272)} |
| Display label | Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272) |
| Total patents | 713 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 22 |
| 2017 | 35 |
| 2018 | 49 |
| 2019 | 54 |
| 2020 | 87 |
| 2021 | 82 |
| 2022 | 88 |
| 2023 | 93 |
| 2024 | 83 |
| 2025 | 95 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Waveguide Grating Device
US-2024019640-A1 · Jan 18, 2024 · US
Head mounted imaging apparatus with optical coupling
US-2017371160-A1 · Dec 28, 2017 · US
Optical device and optical system
US-2017371088-A1 · Dec 28, 2017 · US
Display system
US-9827209-B2 · Nov 28, 2017 · US
Waveguide grating device
US-9823423-B2 · Nov 21, 2017 · US
Zoned optical waveplate
US-2017307785-A1 · Oct 26, 2017 · US
Waveguides with extended field of view
US-9791703-B1 · Oct 17, 2017 · US
Optical element, optical module, and optical transmission system
US-2017293085-A1 · Oct 12, 2017 · US
Multiview display screen and multiview mobile device using same
US-9785119-B2 · Oct 10, 2017 · US
Three-dimensional image display apparatus including diffractive color filter
US-2017199420-A1 · Jul 13, 2017 · US
Waveguide grating device
US-2017199333-A1 · Jul 13, 2017 · US
Metrology method, target and substrate
US-2017184977-A1 · Jun 29, 2017 · US
Directional backlight, 3d image display apparatus having the same, and method of manufacturing the same
US-2017176669-A1 · Jun 22, 2017 · US
Lighting apparatus
US-9686839-B1 · Jun 20, 2017 · US
Photolithography alignment mark structures and semiconductor structures
US-2017170129-A1 · Jun 15, 2017 · US
Lighting apparatus
US-2017156192-A1 · Jun 1, 2017 · US
Arrays of optical devices comprising integrated bandpass filters and methods of production
US-2017145498-A1 · May 25, 2017 · US
Waveguide grating device
US-9632226-B2 · Apr 25, 2017 · US
Incident angle insensitive color filter and its manufacturing method
US-9625627-B2 · Apr 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B5/1819?
- CPC G02B5/1819 is the Cooperative Patent Classification code for “Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272).”
- How many patents are filed under CPC G02B5/1819 (Plural gratings positioned on the same surface, e.g. array of gratings (plural diffractive elements positioned sequentially along the optical path G02B27/4272))?
- Our database includes 713 publications tagged with this CPC code.
- Is patent activity under CPC G02B5/1819 growing?
- Publication counts under this code: 83 in 2024 vs 95 in 2025 (latest complete years).