Optical display system and augmented reality electronic device
US-12140754-B2 · Nov 12, 2024 · US
Coupling to or out of the diffractive element through the lateral surface of the light guide (evanescent grating couplers G02B6/29332)
Coupling to or out of the diffractive element through the lateral surface of the light guide (evanescent grating couplers G02B6/29332) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/29323 |
| Official title | {Coupling to or out of the diffractive element through the lateral surface of the light guide (evanescent grating couplers G02B6/29332)} |
| Display label | Coupling to or out of the diffractive element through the lateral surface of the light guide (evanescent grating couplers G02B6/29332) |
| Total patents | 67 |
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 | 2 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical side input/output circuit
US-2024369769-A1 · Nov 7, 2024 · US
Photonic waveguide and method of forming the same
US-11994717-B2 · May 28, 2024 · US
Optical side input/output circuit and optical connector
US-2023400625-A1 · Dec 14, 2023 · US
Optical side input/output circuit and optical connector
US-2023358966-A1 · Nov 9, 2023 · US
Photonic waveguide and method of forming the same
US-2023324609-A1 · Oct 12, 2023 · US
Optical display system and augmented reality electronic device
US-2023213756-A1 · Jul 6, 2023 · US
Artificial reality system having Bragg grating
US-11598919-B2 · Mar 7, 2023 · US
Angled grating couplers with inclined side edge portions
US-11567266-B1 · Jan 31, 2023 · US
Wavelength demultiplexing device in particular for out-of-plane demultiplexing
US-11448826-B2 · Sep 20, 2022 · US
Systems and methods for instantaneous scanning by a LiDAR sensor at multiple wavelengths
US-11448759-B2 · Sep 20, 2022 · US
Device and method for transferring light between at least one optoelectronic component and at least one optical waveguide
US-11442234-B2 · Sep 13, 2022 · US
System and method for plasmonic control of short pulses in optical fibers
US-11374378-B2 · Jun 28, 2022 · US
Optical device and photodetection system
US-11256043-B2 · Feb 22, 2022 · US
Wavelength demultiplexing device in particular for out-of-plane demultiplexing
US-2022011516-A1 · Jan 13, 2022 · US
Integrated grating coupler
US-11204467-B2 · Dec 21, 2021 · US
Optical measurement device
US-2021333207-A1 · Oct 28, 2021 · US
Pupil expander with improved color uniformity
US-11131807-B2 · Sep 28, 2021 · US
Device and method for transferring light between at least one optoelectronic component and at least one optical waveguide
US-2021141173-A1 · May 13, 2021 · US
Artificial reality system having bragg grating
US-2021109285-A1 · Apr 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/29323?
- CPC G02B6/29323 is the Cooperative Patent Classification code for “Coupling to or out of the diffractive element through the lateral surface of the light guide (evanescent grating couplers G02B6/29332).”
- How many patents are filed under CPC G02B6/29323 (Coupling to or out of the diffractive element through the lateral surface of the light guide (evanescent grating couplers G02B6/29332))?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/29323 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).