Illuminating device having two light sources generating different etendues and respective light receivers and display device
US-12359789-B2 · Jul 15, 2025 · US
characterised by the type of emitted light
characterised by the type of emitted light · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F21S41/12 |
| Official title | characterised by the type of emitted light |
| Display label | characterised by the type of emitted light |
| Total patents | 41 |
Filing trend
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 | 9 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Illuminating device
US-2025102127-A1 · Mar 27, 2025 · US
Vehicle lamp system and vehicle lamp
US-2022307668-A1 · Sep 29, 2022 · US
Lighting device for a motor vehicle
US-11435045-B2 · Sep 6, 2022 · US
Illumination device, in particular an illumination device for a motor vehicle
US-2021382217-A1 · Dec 9, 2021 · US
Lighting device for a motor vehicle
US-2021285610-A1 · Sep 16, 2021 · US
Optic and illumination device
US-11105486-B2 · Aug 31, 2021 · US
Pixelated light module for a motor vehicle and lighting and/or signalling device provided with such a module
US-11072274-B2 · Jul 27, 2021 · US
Holographic lidar system and method
US-11003137-B2 · May 11, 2021 · US
Optic and illumination device
US-2020363037-A1 · Nov 19, 2020 · US
Method for controlling a laser illumination device for a motor vehicle headlight
US-10670220-B2 · Jun 2, 2020 · US
Holographic Lidar System and Method
US-2020049828-A1 · Feb 13, 2020 · US
Charge pump, switch driver device, lighting device, and vehicle
US-10560017-B2 · Feb 11, 2020 · US
Converter for lighting devices
US-10550320-B2 · Feb 4, 2020 · US
Efficient white lamp for vehicle headlight
US-10527247-B2 · Jan 7, 2020 · US
Light-emitting device, illumination device, and vehicle headlamp
US-10514151-B2 · Dec 24, 2019 · US
Holographic LIDAR system
US-10451742-B2 · Oct 22, 2019 · US
Converter for lighting devices
US-2019316033-A1 · Oct 17, 2019 · US
Efficient white lamp for vehicle headlight
US-2019316750-A1 · Oct 17, 2019 · US
Holographic LIDAR System
US-2019163125-A1 · May 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21S41/12?
- CPC F21S41/12 is the Cooperative Patent Classification code for “characterised by the type of emitted light.”
- How many patents are filed under CPC F21S41/12 (characterised by the type of emitted light)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F21S41/12 growing?
- Publication counts under this code: 2 in 2022 vs 2 in 2025 (latest complete years).