H05B 45/58
Involving end of life detection of leds
Official title: involving end of life detection of LEDs
H05B45/58 (Involving end of life detection of leds) appears on 364 US grants and 418 published applications in this corpus.
Search patents in H05B- Granted patents
- 364
- Published applications
- 418
- Assignees
- 230
- Inventors
- 754
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 3 |
| 2003 | 4 | 9 |
| 2004 | 2 | 5 |
| 2005 | 8 | 5 |
| 2006 | 4 | 10 |
| 2007 | 7 | 11 |
| 2008 | 4 | 1 |
| 2009 | 5 | 11 |
| 2010 | 7 | 12 |
| 2011 | 10 | 27 |
| 2012 | 10 | 28 |
| 2013 | 20 | 31 |
| 2014 | 22 | 38 |
| 2015 | 31 | 23 |
| 2016 | 32 | 25 |
| 2017 | 28 | 32 |
| 2018 | 35 | 27 |
| 2019 | 24 | 30 |
| 2020 | 18 | 24 |
| 2021 | 28 | 17 |
| 2022 | 16 | 10 |
| 2023 | 6 | 8 |
| 2024 | 12 | 11 |
| 2025 | 14 | 10 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multimode lighting system12 May 2026US 12,628,259 B2Infinity X1 LLC
- Trailer lighting outage detection circuit17 Mar 2026US 12,578,373 B2Grote Industries, Inc.
- Light source driving device, light emitting device, and light source driving method17 Feb 2026US 12,557,188 B2Sharp NEC Display Solutions, Ltd.
- Multifunction vehicle lamp10 Feb 2026US 12,545,177 B2Grote Industries, Inc.
- Short-circuit fault-detecting lighting device for a motor vehicle9 Dec 2025US 12,491,818 B2ZKW Group GmbH
- Method and system with controller for controlling lighting devices24 Sep 2026US 2026/0292954 A1Signify Holding B. V.
- Light source drive system and failure reporting method thereof18 Jun 2026US 2026/0173243 A1Anpec Electronics Corporation
- Airfield Ground Light with Integrated Light Controller That Employs Powerline Communications and Sensors11 Jun 2026US 2026/0164523 A1ADB Safegae BV
- Lighting device and circuit capable of indicating lighting lifespan4 Jun 2026US 2026/0156728 A1Savant Technologies LLC
- Lighting device capable of monitoring lighting quality thereof14 May 2026US 2026/0136444 A1Savant Technologies LLC
Most cited
By later US patents
- LEDS driver324US 7,262,559 B2Koninklijke Philips Electronics N. V. · 2007
- Methods and systems for illuminating environments214US 7,204,622 B2Color Kinetics Incorporated · 2007
- LED driver circuit and method182US 6,362,578 B1STMicroelectronics S.r. l. · 2002
- LED traffic light intensity controller130US 6,236,331 B1Newled Technologies Inc. · 2001
- LED driver circuit and method125US 6,836,081 B2Lumileds Lighting U.S., LLC · 2004