Switchable privacy display
US-12523899-B2 · Jan 13, 2026 · US
photorefractive
photorefractive · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2202/13 |
| Official title | photorefractive |
| Display label | photorefractive |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light control laminate, smart window including same, and automobile or building window using same
US-2025271709-A1 · Aug 28, 2025 · US
Switchable privacy display
US-12253748-B2 · Mar 18, 2025 · US
Liquid-crystal medium
US-12187944-B2 · Jan 7, 2025 · US
Switchable privacy display
US-2024369869-A1 · Nov 7, 2024 · US
Switchable privacy display
US-2024361626-A1 · Oct 31, 2024 · US
Liquid-crystal medium
US-2023383186-A1 · Nov 30, 2023 · US
Method for Producing a Complex Sheet and a Display Panel Comprising the Complex Sheet
US-2023204993-A1 · Jun 29, 2023 · US
Display apparatus
US-11243342-B2 · Feb 8, 2022 · US
Optical film including asymmetrical protrusion part and display device including the same
US-11215864-B2 · Jan 4, 2022 · US
Display device comprising nano-pattern layer
US-11099301-B2 · Aug 24, 2021 · US
Liquid crystal display device
US-11036087-B2 · Jun 15, 2021 · US
Optical film and display device including the same
US-2021132422-A1 · May 6, 2021 · US
Display apparatus
US-10942391-B2 · Mar 9, 2021 · US
Liquid crystal display device
US-10928678-B2 · Feb 23, 2021 · US
Integrated optical transmission element
US-10884315-B2 · Jan 5, 2021 · US
Liquid crystal display device
US-2020292887-A1 · Sep 17, 2020 · US
Display apparatus
US-2020133062-A1 · Apr 30, 2020 · US
Display apparatus
US-2020117048-A1 · Apr 16, 2020 · US
Structured photorefractive layer stack
US-10534204-B2 · Jan 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2202/13?
- CPC G02F2202/13 is the Cooperative Patent Classification code for “photorefractive.”
- How many patents are filed under CPC G02F2202/13 (photorefractive)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC G02F2202/13 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).