F21S 41/141
Light emitting diodes [led]
Official title: Light emitting diodes [LED]
F21S41/141 (Light emitting diodes [led]) appears on 3,623 US grants and 4,167 published applications in this corpus.
Search patents in F21S- Granted patents
- 3,623
- Published applications
- 4,167
- Assignees
- 595
- Inventors
- 4,394
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 4 |
| 2003 | 8 | 13 |
| 2004 | 7 | 47 |
| 2005 | 11 | 61 |
| 2006 | 43 | 60 |
| 2007 | 53 | 74 |
| 2008 | 38 | 74 |
| 2009 | 59 | 98 |
| 2010 | 74 | 101 |
| 2011 | 63 | 116 |
| 2012 | 76 | 104 |
| 2013 | 101 | 160 |
| 2014 | 122 | 175 |
| 2015 | 139 | 206 |
| 2016 | 142 | 220 |
| 2017 | 212 | 273 |
| 2018 | 263 | 325 |
| 2019 | 378 | 370 |
| 2020 | 348 | 265 |
| 2021 | 273 | 252 |
| 2022 | 276 | 297 |
| 2023 | 263 | 240 |
| 2024 | 271 | 283 |
| 2025 | 255 | 203 |
| 2026 | 136 | 144 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Headlamp assembly6 Oct 2026US 12,753,895 B1Delta Electronics, Inc.
- Vehicle lamp6 Oct 2026US 12,753,896 B2SL Corporation
- Light module and lighting device for a motor vehicle6 Oct 2026US 12,753,897 B2Hella Saturnus Slovenija d.o.o.
- Light-emitting module integrating a flexible organic light-emitting diode29 Sep 2026US 12,747,843 B2Valeo Vision
- Headlamp aiming system22 Sep 2026US 12,741,583 B2PACCAR Inc
- Method for assembling a headlamp light module under limited assembling space conditions, headlamp light module, and assembly8 Oct 2026US 2026/0309293 A1Lumileds Singapore Pte. Ltd.
- Modular cutoff shield for headlights8 Oct 2026US 2026/0309295 A1
- Snap-in lighthead assembly for lightbar8 Oct 2026US 2026/0309297 A1Whelen Engineering Company, Inc.
- Car light1 Oct 2026US 2026/0298432 A1Superlee Corporation
- Integrated lamp control modules24 Sep 2026US 2026/0287135 A1
Most cited
By later US patents
- Illuminator assembly incorporating light emitting diodes881US 5,803,579 AGentex Corporation · 1998
- Led assembly631US 6,132,072 AGentex Corporation · 2000
- Uniform illumination system488US 7,072,096 B2Digital Optics International Corporation · 2006
- Illuminating device487US 5,136,483 A1992
- Method of replacing a conventional vehicle light bulb with a light-emitting diode array291US 6,276,822 B12001