Color display device
US-10162242-B2 · Dec 25, 2018 · US
dye
dye · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2202/04 |
| Official title | dye |
| Display label | dye |
| Total patents | 304 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 10 |
| 2017 | 21 |
| 2018 | 24 |
| 2019 | 27 |
| 2020 | 37 |
| 2021 | 38 |
| 2022 | 38 |
| 2023 | 39 |
| 2024 | 30 |
| 2025 | 19 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dye compound, composition comprising dye compound, and display device using dye compound
US-2018355179-A1 · Dec 13, 2018 · US
Light conversion device and display apparatus comprising the same
US-10139676-B2 · Nov 27, 2018 · US
Optical device
US-2018284536-A1 · Oct 4, 2018 · US
Liquid crystal display
US-10067396-B2 · Sep 4, 2018 · US
Display screen, display device and display method
US-2018188576-A1 · Jul 5, 2018 · US
Electrophoretic fluids
US-10007165-B2 · Jun 26, 2018 · US
Method for manufacturing liquid crystal device and liquid crystal device manufactured therefrom
US-2018149926-A1 · May 31, 2018 · US
Display device
US-9964806-B2 · May 8, 2018 · US
Liquid crystal device
US-2018011352-A1 · Jan 11, 2018 · US
Light conversion device and display apparatus comprising the same
US-2018004041-A1 · Jan 4, 2018 · US
Color material dispersion liquid for color filter, color resin composition for color filter, color material for color filter, color filter, liquid crystal display device, and light-emitting display device
US-2017349755-A1 · Dec 7, 2017 · US
Cover unit and display device having the same
US-2017331071-A1 · Nov 16, 2017 · US
Quantum dot color filter substrate and manufacturing method thereof
US-9817264-B2 · Nov 14, 2017 · US
Light controlling apparatus and method of fabricating the same
US-9804467-B2 · Oct 31, 2017 · US
Display Device Having Improved Transmissivity and Method of Manufacturing the Same
US-2017299917-A1 · Oct 19, 2017 · US
Display device
US-2017285420-A1 · Oct 5, 2017 · US
Liquid crystal display
US-9766493-B2 · Sep 19, 2017 · US
Pdlc display panel, manufacturing method thereof, and lcd
US-2017261778-A1 · Sep 14, 2017 · US
Display device
US-2017235191-A1 · Aug 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2202/04?
- CPC G02F2202/04 is the Cooperative Patent Classification code for “dye.”
- How many patents are filed under CPC G02F2202/04 (dye)?
- Our database includes 304 publications tagged with this CPC code.
- Is patent activity under CPC G02F2202/04 growing?
- Publication counts under this code: 30 in 2024 vs 19 in 2025 (latest complete years).