Extended projection boundary of holographic display device
US-2018348705-A1 · Dec 6, 2018 · US
Element having optical power, e.g. field lens
Element having optical power, e.g. field lens · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03H2001/221 |
| Official title | {Element having optical power, e.g. field lens} |
| Display label | Element having optical power, e.g. field lens |
| Total patents | 286 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 23 |
| 2019 | 30 |
| 2020 | 39 |
| 2021 | 34 |
| 2022 | 45 |
| 2023 | 24 |
| 2024 | 27 |
| 2025 | 19 |
| 2026 | 6 |
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-2018341223-A1 · Nov 29, 2018 · US
Hologram reproducing apparatus and method thereof
US-2018341219-A1 · Nov 29, 2018 · US
Apparatus and method for displaying holographic 3D image
US-10139781-B2 · Nov 27, 2018 · US
Method and apparatus for generating digital color hologram, and digital color holographic display device using tiling
US-2018292787-A1 · Oct 11, 2018 · US
Holographic display apparatus having steerable viewing window
US-2018284693-A1 · Oct 4, 2018 · US
Apparatus and method for capturing fourier hologram
US-2018284694-A1 · Oct 4, 2018 · US
Holographic display apparatus and method using focus plane scanning scheme
US-2018267467-A1 · Sep 20, 2018 · US
Image projection system
US-2018246325-A1 · Aug 30, 2018 · US
Image Display System and Image Display Method
US-2018203413-A1 · Jul 19, 2018 · US
Display System
US-2018188532-A1 · Jul 5, 2018 · US
Holographic display and operating method thereof
US-2018181065-A1 · Jun 28, 2018 · US
Apparatus for manufacturing holographic optical element, and apparatus for reconstructing holograms
US-2018129165-A1 · May 10, 2018 · US
Holographic display apparatus for providing expanded viewing window
US-2018129166-A1 · May 10, 2018 · US
Holographic display architecture
US-9964925-B2 · May 8, 2018 · US
Optically trapped atom transfer tweezer through hologram and method using the same
US-2018101134-A1 · Apr 12, 2018 · US
Hologram display device
US-2018052424-A1 · Feb 22, 2018 · US
Scanned coarse integral holographic display
US-2018046140-A1 · Feb 15, 2018 · US
Slim backlight unit for holographic display device and holographic display device including the same
US-2018032030-A1 · Feb 1, 2018 · US
Multi-beam resin curing system and method for whole-volume additive manufacturing
US-2018015672-A1 · Jan 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03H2001/221?
- CPC G03H2001/221 is the Cooperative Patent Classification code for “Element having optical power, e.g. field lens.”
- How many patents are filed under CPC G03H2001/221 (Element having optical power, e.g. field lens)?
- Our database includes 286 publications tagged with this CPC code.
- Is patent activity under CPC G03H2001/221 growing?
- Publication counts under this code: 27 in 2024 vs 19 in 2025 (latest complete years).