Light diffusion sheet, backlight unit, liquid crystal display device, and information equipment
US-2024012286-A1 · Jan 11, 2024 · US
the surface having microprismatic or micropyramidal shape (macroscopic prism arrays G02B5/045)
the surface having microprismatic or micropyramidal shape (macroscopic prism arrays G02B5/045) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B5/0231 |
| Official title | {the surface having microprismatic or micropyramidal shape (macroscopic prism arrays G02B5/045)} |
| Display label | the surface having microprismatic or micropyramidal shape (macroscopic prism arrays G02B5/045) |
| Total patents | 657 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 47 |
| 2016 | 63 |
| 2017 | 62 |
| 2018 | 69 |
| 2019 | 70 |
| 2020 | 59 |
| 2021 | 67 |
| 2022 | 66 |
| 2023 | 46 |
| 2024 | 64 |
| 2025 | 35 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light-condensing film having superior anti-adhesion performance and superior moiré prevention effects, backlight unit comprising same, and display device comprising the backlight unit
US-9494727-B2 · Nov 15, 2016 · US
Optical lens
US-2016327239-A1 · Nov 10, 2016 · US
Small volume high emissivity infrared calibration source systems and methods
US-2016320236-A1 · Nov 3, 2016 · US
Light directing film
US-2016266285-A1 · Sep 15, 2016 · US
Microstructured film comprising nanoparticles and monomer comprising alkylene oxide repeat units
US-2016252653-A1 · Sep 1, 2016 · US
Head-mounted electronic device and display thereof
US-2016178907-A1 · Jun 23, 2016 · US
Display apparatus
US-2016139453-A1 · May 19, 2016 · US
Triphenyl monomers suitable for microstructured optical films
US-2016109618-A1 · Apr 21, 2016 · US
Electronic display designed for reduced reflections
US-2016062114-A1 · Mar 3, 2016 · US
Complex prism sheet
US-9268066-B2 · Feb 23, 2016 · US
Optical element and optoelectronic component comprising optical element
US-2016033689-A1 · Feb 4, 2016 · US
Optical element and method for producing the same
US-2016003992-A1 · Jan 7, 2016 · US
Triphenyl monomers suitable for microstructured optical films
US-9221743-B2 · Dec 29, 2015 · US
Black edge prism sheet, method for manufacturing the prism sheet, manufacturing equipment and display device
US-2015369973-A1 · Dec 24, 2015 · US
Light switching module
US-9217878-B2 · Dec 22, 2015 · US
Optical sheet module
US-2015355396-A1 · Dec 10, 2015 · US
Opticial film and light source module
US-2015345734-A1 · Dec 3, 2015 · US
Light flux controlling member, light emitting device, surface light source device and display apparatus
US-2015323732-A1 · Nov 12, 2015 · US
Optical Film Stack for Light Duct
US-2015316221-A1 · Nov 5, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B5/0231?
- CPC G02B5/0231 is the Cooperative Patent Classification code for “the surface having microprismatic or micropyramidal shape (macroscopic prism arrays G02B5/045).”
- How many patents are filed under CPC G02B5/0231 (the surface having microprismatic or micropyramidal shape (macroscopic prism arrays G02B5/045))?
- Our database includes 657 publications tagged with this CPC code.
- Is patent activity under CPC G02B5/0231 growing?
- Publication counts under this code: 64 in 2024 vs 35 in 2025 (latest complete years).