Optoelectronic device
US-2016370513-A1 · Dec 22, 2016 · US
by means of voids or pores
by means of voids or pores · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B5/0247 |
| Official title | {by means of voids or pores} |
| Display label | by means of voids or pores |
| Total patents | 290 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 39 |
| 2017 | 36 |
| 2018 | 17 |
| 2019 | 40 |
| 2020 | 24 |
| 2021 | 33 |
| 2022 | 22 |
| 2023 | 17 |
| 2024 | 18 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Display device
US-2016363762-A1 · Dec 15, 2016 · US
Optical films for reducing color shift and organic light-emitting display apparatuses employing the same
US-9507059-B2 · Nov 29, 2016 · US
Optical films for reducing color shift and organic light-emitting display apparatuses employing the same
US-9507060-B2 · Nov 29, 2016 · US
Protective coating for low index material
US-9505028-B2 · Nov 29, 2016 · US
Optical assembly and manufacturing method thereof, and polarizer
US-2016341853-A1 · Nov 24, 2016 · US
Patterned Gradient Polymer Film and Method
US-2016334551-A1 · Nov 17, 2016 · US
Method of preparing light scattering layer
US-2016327698-A1 · Nov 10, 2016 · US
Light extraction substrate for organic light emitting element, method for manufacturing same, and organic light emitting element comprising same
US-2016329525-A1 · Nov 10, 2016 · US
Anti-reflective coating film
US-9482789-B2 · Nov 1, 2016 · US
Systems and methods for producing objects incorporating selectably active electromagnetic energy filtering layers and coatings
US-2016306255-A1 · Oct 20, 2016 · US
Systems and methods for implementing selective electromagnetic energy filtering objects and coatings using selectably transmissive energy scattering layers
US-2016306254-A1 · Oct 20, 2016 · US
Systems and methods for producing objects incorporating selective electromagnetic energy scattering layers, laminates and coatings
US-2016306080-A1 · Oct 20, 2016 · US
Optoelectronic device
US-9459383-B2 · Oct 4, 2016 · US
Lens device and light source module using the same
US-9441797-B2 · Sep 13, 2016 · US
Daylighting sheet, daylighting panel and roll-up daylighting screen
US-2016251895-A1 · Sep 1, 2016 · US
Method of fabricating light extraction substrate for OLED
US-9425430-B2 · Aug 23, 2016 · US
Patterned gradient polymer film and method
US-9403300-B2 · Aug 2, 2016 · US
Retroreflecting optical construction
US-2016202398-A1 · Jul 14, 2016 · US
Display apparatus with improved viewing angle
US-2016202395-A1 · Jul 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B5/0247?
- CPC G02B5/0247 is the Cooperative Patent Classification code for “by means of voids or pores.”
- How many patents are filed under CPC G02B5/0247 (by means of voids or pores)?
- Our database includes 290 publications tagged with this CPC code.
- Is patent activity under CPC G02B5/0247 growing?
- Publication counts under this code: 18 in 2024 vs 14 in 2025 (latest complete years).