Wavelength conversion module, backlight module, and manufacturing method of wavelength conversion module
US-2025271691-A1 · Aug 28, 2025 · US
as to hue or predominant wavelength · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/25 |
| Official title | as to hue or predominant wavelength |
| Display label | as to hue or predominant wavelength |
| Total patents | 39 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 6 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025271691-A1 · Aug 28, 2025 · US
US-11803081-B2 · Oct 31, 2023 · US
US-11799555-B2 · Oct 24, 2023 · US
US-2023205001-A1 · Jun 29, 2023 · US
US-2023155684-A1 · May 18, 2023 · US
US-11608944-B2 · Mar 21, 2023 · US
US-11543729-B2 · Jan 3, 2023 · US
US-11500240-B2 · Nov 15, 2022 · US
US-11236101-B2 · Feb 1, 2022 · US
US-2021172572-A1 · Jun 10, 2021 · US
US-10961260-B2 · Mar 30, 2021 · US
US-10948137-B2 · Mar 16, 2021 · US
US-10884314-B2 · Jan 5, 2021 · US
US-2020331927-A1 · Oct 22, 2020 · US
US-2020331932-A1 · Oct 22, 2020 · US
US-2020301197-A1 · Sep 24, 2020 · US
US-10628952-B2 · Apr 21, 2020 · US
US-2020050074-A1 · Feb 13, 2020 · US
US-10543061-B2 · Jan 28, 2020 · US
US-10488680-B2 · Nov 26, 2019 · US
Answers are generated from the same data shown on this page.