F21V 19/001
The light sources being semiconductors devices
Official title: {the light sources being semiconductors devices, e.g. LEDs}
F21V19/001 (The light sources being semiconductors devices) appears on 3,350 US grants and 3,841 published applications in this corpus.
Search patents in F21V- Granted patents
- 3,350
- Published applications
- 3,841
- Assignees
- 1,465
- Inventors
- 5,755
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 6 |
| 2002 | 20 | 26 |
| 2003 | 26 | 22 |
| 2004 | 20 | 19 |
| 2005 | 17 | 45 |
| 2006 | 24 | 28 |
| 2007 | 26 | 50 |
| 2008 | 29 | 74 |
| 2009 | 38 | 118 |
| 2010 | 68 | 134 |
| 2011 | 90 | 193 |
| 2012 | 105 | 249 |
| 2013 | 161 | 209 |
| 2014 | 144 | 224 |
| 2015 | 187 | 291 |
| 2016 | 214 | 217 |
| 2017 | 210 | 282 |
| 2018 | 266 | 325 |
| 2019 | 363 | 277 |
| 2020 | 281 | 230 |
| 2021 | 214 | 181 |
| 2022 | 212 | 161 |
| 2023 | 154 | 142 |
| 2024 | 177 | 116 |
| 2025 | 153 | 128 |
| 2026 | 98 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Luminaire with replaceable LED board6 Oct 2026US 12,753,907 B2Halco Lighting Technologies, LLC
- High luminous-efficacy industrial lighting device6 Oct 2026US 12,753,908 B2Xiamen PVTECH Co., Ltd.
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Multi-channel LED driver with integrated LEDs having a multilayer structure22 Sep 2026US 12,745,329 B2Erp Power, LLC
- Chain-shaped decorative lamp15 Sep 2026US 12,736,203 B1
- Portable lighting device with a flexible and deployable led lighting element8 Oct 2026US 2026/0309287 A1Promier Products Inc.
- Lightbars with emission collecting optical modules8 Oct 2026US 2026/0309310 A1Whelen Engineering Company, Inc.
- Electronic Paper Display8 Oct 2026US 2026/0309314 A1Hanshow Technology Co., Ltd.
- Light Emitting Devices and Lighting Systems8 Oct 2026US 2026/0309317 A1Bridgelux, Inc.
- Method and apparatus for an adaptable vehicle light fixture8 Oct 2026US 2026/0313768 A1Nacho LED LLC
Most cited
By later US patents
- Luminaire508US 6,250,774 B1U. S. Philips Corporation · 2001
- Thermal management methods and apparatus for lighting devices395US 7,344,279 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- Lighting device for motor vehicles379US 6,152,590 ADonnelly Hohe GmbH & Co. KG · 2000
- LED integrated heat sink341US 6,517,218 B2Relume Corporation · 2003
- Compact, flexible, LED array320US 6,371,637 B1Radiantz, Inc. · 2002