Electrically-driven liquid crystal lens, display device and 3D liquid crystal display method
US-9488877-B2 · Nov 8, 2016 · 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 | G02F2001/294 |
| Official title | — |
| Display label | Physics (mapped technology topic) |
| Total patents | 420 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 51 |
| 2016 | 50 |
| 2017 | 59 |
| 2018 | 57 |
| 2019 | 84 |
| 2020 | 91 |
| 2021 | 28 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Imaging device, portable information terminal, and display device
US-9462166-B2 · Oct 4, 2016 · US
Method and apparatus for ophthalmic devices comprising dielectrics and nano-scaled droplets of liquid crystal
US-9442309-B2 · Sep 13, 2016 · US
Piezoelectric element and method of producing the same
US-9444032-B2 · Sep 13, 2016 · US
Display device
US-9411166-B2 · Aug 9, 2016 · US
Liquid-crystal lens and liquid-crystal lens-cell
US-9405167-B2 · Aug 2, 2016 · US
Liquid crystal display device
US-9405138-B2 · Aug 2, 2016 · US
Imaging apparatus having lens element
US-9400908-B2 · Jul 26, 2016 · US
Tunable electro-optic liquid crystal lenses having resistive bridges and methods for forming the lenses
US-9323113-B2 · Apr 26, 2016 · US
Image display apparatus
US-9217874-B2 · Dec 22, 2015 · US
Three-dimensional image display apparatus
US-9213213-B2 · Dec 15, 2015 · US
Flexible film with surface relief and use thereof in electro-active optical systems
US-9199420-B2 · Dec 1, 2015 · US
Liquid-crystal-lens type light-modulating apparatus and liquid crystal display having the same
US-9201268-B2 · Dec 1, 2015 · US
Capacitively coupled electric field control device
US-9201285-B2 · Dec 1, 2015 · US
Liquid crystal optical apparatus and image display device
US-9188815-B2 · Nov 17, 2015 · US
Lens module and display apparatus having the same
US-9185396-B2 · Nov 10, 2015 · US
Two dimension/three dimension switchable liquid crystal lens assembly
US-9182628-B2 · Nov 10, 2015 · US
System, apparatus, and method for correcting vision using an electro-active lens
US-9170452-B2 · Oct 27, 2015 · US
Variable focal length achromatic lens system comprising a diffractive lens and a refractive lens
US-9164206-B2 · Oct 20, 2015 · US
Image display apparatus and variable lens array
US-9158120-B2 · Oct 13, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2001/294?
- CPC G02F2001/294 is the Cooperative Patent Classification code for “Physics.”
- How many patents are filed under CPC G02F2001/294 (Physics)?
- Our database includes 420 publications tagged with this CPC code.
- Is patent activity under CPC G02F2001/294 growing?
- Publication counts under this code: 91 in 2020 vs 28 in 2021 (latest complete years).