Grating, fabricating method therefor, display panel and display device
US-2016377907-A1 · Dec 29, 2016 · US
Optically active dopants; chiral dopants
Optically active dopants; chiral dopants · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09K19/586 |
| Official title | {Optically active dopants; chiral dopants} |
| Display label | Optically active dopants; chiral dopants |
| Total patents | 393 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 32 |
| 2017 | 37 |
| 2018 | 39 |
| 2019 | 35 |
| 2020 | 36 |
| 2021 | 31 |
| 2022 | 40 |
| 2023 | 39 |
| 2024 | 30 |
| 2025 | 37 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and material for manufacturing alignment layer, display substrate, and display panel
US-2016370657-A1 · Dec 22, 2016 · US
Liquid crystal composition, patterned phase delay film and preparation method thereof, and display device
US-2016355733-A1 · Dec 8, 2016 · US
Switch element comprising a liquid crystalline medium
US-9507185-B2 · Nov 29, 2016 · US
Liquid-crystalline medium
US-2016333270-A1 · Nov 17, 2016 · US
Polymerizable compound, polymerizable composition, film, and half mirror for displaying projection image
US-2016318845-A1 · Nov 3, 2016 · US
Binaphthyl compound, liquid crystal composition, liquid crystal element, and liquid crystal display device
US-9475989-B2 · Oct 25, 2016 · US
Liquid crystal medium, optical device and liquid crystal compound
US-2016304784-A1 · Oct 20, 2016 · US
Polymerizable liquid crystal composition and thin film using same
US-9469810-B2 · Oct 18, 2016 · US
Mesogenic media and liquid crystal display
US-2016298031-A1 · Oct 13, 2016 · US
Octahydro binaphthyl-based chiral compound-containing liquid-crystal composition and optical element
US-9458125-B2 · Oct 4, 2016 · US
Chiral dopant and identification and authentication using polymeric liquid crystal material markings
US-2016264591-A1 · Sep 15, 2016 · US
Salt-free composite marking based on chiral liquid crystal precursors comprising chiral acrylate dopants
US-2016264792-A1 · Sep 15, 2016 · US
Device for regulating the entry of light
US-2016257885-A1 · Sep 8, 2016 · US
Liquid-crystalline medium and electro-optical display
US-9434882-B2 · Sep 6, 2016 · US
Field induced and controlled heliconical structure of cholesteric liquid crystal
US-2016252755-A1 · Sep 1, 2016 · US
Liquid crystal display device
US-2016215217-A1 · Jul 28, 2016 · US
Color liquid crystal display panel
US-9395579-B2 · Jul 19, 2016 · US
Difluorophenyl liquid crystal composition
US-2016194561-A1 · Jul 7, 2016 · US
Dichromatic dye composition and application thereof
US-9382480-B2 · Jul 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K19/586?
- CPC C09K19/586 is the Cooperative Patent Classification code for “Optically active dopants; chiral dopants.”
- How many patents are filed under CPC C09K19/586 (Optically active dopants; chiral dopants)?
- Our database includes 393 publications tagged with this CPC code.
- Is patent activity under CPC C09K19/586 growing?
- Publication counts under this code: 30 in 2024 vs 37 in 2025 (latest complete years).