Hybrid molecule-nanocrystal photon upconversion across the visible and near-infrared
US-2018314132-A1 · Nov 1, 2018 · US
Physics
Physics · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2/02 |
| Official title | — |
| Display label | Physics (mapped technology topic) |
| Total patents | 220 |
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 | 15 |
| 2016 | 26 |
| 2017 | 17 |
| 2018 | 27 |
| 2019 | 39 |
| 2020 | 26 |
| 2021 | 21 |
| 2022 | 17 |
| 2023 | 18 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacture method of quantum-dot color filter and liquid crystal display device
US-2018292714-A1 · Oct 11, 2018 · US
A polarized light emissive device
US-2017343712-A1 · Nov 30, 2017 · US
Optical filtration system for diamond material with nitrogen vacancy centers
US-2017343412-A1 · Nov 30, 2017 · US
183NM Laser And Inspection System
US-2017323716-A1 · Nov 9, 2017 · US
Generator for wholly optical tunable broadband linearly chirped signal
US-2017317462-A1 · Nov 2, 2017 · US
Switchable directional infrared radiation source
US-9798218-B2 · Oct 24, 2017 · US
Light conversion plate, and light-emitting diode package, backlight unit, and display device including the plate
US-9773955-B2 · Sep 26, 2017 · US
Terahertz device and fabrication method of the same
US-2017271774-A1 · Sep 21, 2017 · US
Optical member, display device having the same and method of fabricating the same
US-9766392-B2 · Sep 19, 2017 · US
Large caliber array type terahertz wave generating device having photonic crystal structure
US-9761750-B2 · Sep 12, 2017 · US
Bismuth and magnesium co-doped lithium niobate crystal, preparation method thereof and application thereof
US-2017253994-A1 · Sep 7, 2017 · US
183NM laser and inspection system
US-9748729-B2 · Aug 29, 2017 · US
Liquid crystal display and manufacturing method thereof
US-2017227813-A1 · Aug 10, 2017 · US
Display device
US-9696606-B2 · Jul 4, 2017 · US
Emitting film with improved light-out coupling
US-2017153007-A1 · Jun 1, 2017 · US
Mixture, nano fiber, and polarized light emissive film
US-2017123127-A1 · May 4, 2017 · US
Display device
US-2017082892-A1 · Mar 23, 2017 · US
Display panel and a displaying apparatus using the same
US-2017017123-A1 · Jan 19, 2017 · US
Quantum interference device, atomic oscillator, and magnetic sensor
US-9507179-B2 · Nov 29, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2/02?
- CPC G02F2/02 is the Cooperative Patent Classification code for “Physics.”
- How many patents are filed under CPC G02F2/02 (Physics)?
- Our database includes 220 publications tagged with this CPC code.
- Is patent activity under CPC G02F2/02 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).