Multifunction light projector with multistage adjustable diffractive optical elements
US-11022813-B2 · Jun 1, 2021 · US
diffractive
diffractive · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2203/22 |
| Official title | diffractive |
| Display label | diffractive |
| Total patents | 102 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 17 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 8 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hologram reproducing apparatus and method thereof
US-10838359-B2 · Nov 17, 2020 · US
Multifunction light projector with multistage adjustable diffractive optical elements
US-2020319474-A1 · Oct 8, 2020 · US
Irradiation device, laser microscope system, irradiation method, and laser microscope detection method
US-10788655-B2 · Sep 29, 2020 · US
Display device having an emitting area and a reflecting area
US-2020303476-A1 · Sep 24, 2020 · US
Optical attenuator
US-10761391-B2 · Sep 1, 2020 · US
Display device having an emitting area and a reflecting area
US-10720480-B2 · Jul 21, 2020 · US
Display device
US-2020211490-A1 · Jul 2, 2020 · US
High contrast optical film and devices including the same
US-2020183065-A1 · Jun 11, 2020 · US
Area light source and display device
US-2020166680-A1 · May 28, 2020 · US
Polarization scene projector
US-10656497-B1 · May 19, 2020 · US
Liquid crystal cell and photographic system
US-10627667-B2 · Apr 21, 2020 · US
Engineered antiglare surface to reduce display sparkle
US-10613340-B2 · Apr 7, 2020 · US
Light field generation system including directionally-sensitive optical element for improved contrast
US-2020057355-A1 · Feb 20, 2020 · US
Multiview display device
US-10527862-B2 · Jan 7, 2020 · US
Image displacement device
US-2020004105-A1 · Jan 2, 2020 · US
Nanostructured acousto-optic device, and optical scanner, optical modulator, and holographic display apparatus using the nanostructured acousto-optic device
US-10503046-B2 · Dec 10, 2019 · US
Pattern generation device
US-2019353942-A1 · Nov 21, 2019 · US
Compact Alpha-BBO Acousto-Optic Deflector with High Resolving Power for UV and Visivble Radiation
US-2019331981-A1 · Oct 31, 2019 · US
Multi-mode illumination of surface acoustic wave modulator
US-2019302569-A1 · Oct 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2203/22?
- CPC G02F2203/22 is the Cooperative Patent Classification code for “diffractive.”
- How many patents are filed under CPC G02F2203/22 (diffractive)?
- Our database includes 102 publications tagged with this CPC code.
- Is patent activity under CPC G02F2203/22 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).