Metasurfaces for redirecting light and methods for fabricating
US-2023417980-A1 · Dec 28, 2023 · US
Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide (G02B6/02057, G02B6/29332, G02B6/29356 take precedence)
Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide (G02B6/02057, G02B6/29332, G02B6/29356 take 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 | G02B6/29316 |
| Official title | {Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide (G02B6/02057, G02B6/29332, G02B6/29356 take precedence)} |
| Display label | Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide (G02B6/02057, G02B6/29332, G02B6/29356 take precedence) |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stacked waveguides having different diffraction gratings for combined field of view
US-11803003-B2 · Oct 31, 2023 · US
Phase-compensated pupil-replicating lightguide
US-2023341684-A1 · Oct 26, 2023 · US
Emission of particular wavelength bands utilizing directed wavelength emission components in a display system
US-2023314716-A1 · Oct 5, 2023 · US
Systems, devices, and methods for tiled multi-monochromatic displays
US-11675199-B1 · Jun 13, 2023 · US
Grating and grating characteristic adjustment method and device
US-2023093290-A1 · Mar 23, 2023 · US
Wafer-level testing of lasers attached to photonics chips
US-11531172-B2 · Dec 20, 2022 · US
Polarization diversity grating couplers with low loss and zero PDW/PDL
US-11520107-B2 · Dec 6, 2022 · US
Systems, devices, and methods for tiled multi-monochromatic displays
US-11493767-B1 · Nov 8, 2022 · US
Optical device, photonic detector, and method of manufacturing an optical device
US-2022337034-A1 · Oct 20, 2022 · US
Polarization diversity grating couplers with low loss and zero pdw/pdl
US-2022334315-A1 · Oct 20, 2022 · US
Semiconductor optical device and method for manufacturing the same
US-2022206226-A1 · Jun 30, 2022 · US
Stacked waveguides having different diffraction gratings for combined field of view
US-2022155525-A1 · May 19, 2022 · US
Metasurfaces for redirecting light and methods for fabricating
US-2022146745-A1 · May 12, 2022 · US
Screen comprising a transparent base body
US-2022128766-A1 · Apr 28, 2022 · US
Wavelength selective switch based on LCoS
US-11307354-B2 · Apr 19, 2022 · US
Stacked waveguides having different diffraction gratings for combined field of view
US-11269144-B2 · Mar 8, 2022 · US
Display device, display method, and color separation device
US-11243426-B2 · Feb 8, 2022 · US
Systems, devices, and methods for tiled multi-monochromatic displays
US-11231588-B1 · Jan 25, 2022 · US
Metasurfaces for redirecting light and methods for fabricating
US-11231544-B2 · Jan 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/29316?
- CPC G02B6/29316 is the Cooperative Patent Classification code for “Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide (G02B6/02057, G02B6/29332, G02B6/29356 take precedence).”
- How many patents are filed under CPC G02B6/29316 (Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide (G02B6/02057, G02B6/29332, G02B6/29356 take precedence))?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/29316 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).