H05B 45/50
Responsive to malfunctions or undesirable behaviour of leds
Official title: responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
H05B45/50 (Responsive to malfunctions or undesirable behaviour of leds) appears on 2,741 US grants and 3,049 published applications in this corpus.
Search patents in H05B- Granted patents
- 2,741
- Published applications
- 3,049
- Assignees
- 1,063
- Inventors
- 4,481
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 0 |
| 2002 | 12 | 14 |
| 2003 | 16 | 18 |
| 2004 | 9 | 19 |
| 2005 | 12 | 30 |
| 2006 | 17 | 38 |
| 2007 | 28 | 47 |
| 2008 | 26 | 50 |
| 2009 | 31 | 63 |
| 2010 | 36 | 85 |
| 2011 | 48 | 133 |
| 2012 | 70 | 180 |
| 2013 | 110 | 168 |
| 2014 | 166 | 186 |
| 2015 | 175 | 180 |
| 2016 | 209 | 209 |
| 2017 | 236 | 233 |
| 2018 | 219 | 182 |
| 2019 | 212 | 197 |
| 2020 | 212 | 195 |
| 2021 | 186 | 164 |
| 2022 | 176 | 174 |
| 2023 | 142 | 136 |
| 2024 | 137 | 150 |
| 2025 | 133 | 99 |
| 2026 | 84 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Photoluminescent sign with transient-suppressed LED circuit29 Sep 2026US 12,747,849 B2Ecoglo International Limited
- Load control device having a reduced leakage through ground29 Sep 2026US 12,749,914 B2Lutron Technology Company LLC
- Load control device for high-efficiency loads29 Sep 2026US 12,750,930 B2Lutron Technology Company LLC
- Lighting module for exterior lighting of vehicles22 Sep 2026US 12,741,590 B2Hella GmbH & Co. KGaA
- Ripple control of an led driving circuit8 Oct 2026US 2026/0313767 A1Signify Holding B. V.
- Method and apparatus for an adaptable vehicle light fixture8 Oct 2026US 2026/0313768 A1Nacho LED LLC
- Motion-activated illumination system for apparel and objects8 Oct 2026US 2026/0313770 A1
- Method for operating a lighting arrangement and a lighting arrangement1 Oct 2026US 2026/0304574 A1Signify Holding B. V.
- Dynamic motorless lighting module for emulating natural light effects1 Oct 2026US 2026/0304579 A1Krobox Sdn Bhd
Most cited
By later US patents
- Methods and apparatus for providing power to lighting devices771US 7,038,399 B2Color Kinetics Incorporated · 2006
- LED beacon light704US 5,806,965 AR & M Deese Inc. · 1998
- Light emitting diode retrofit lamp552US 5,463,280 ANational Service Industries, Inc. · 1995
- Method and apparatus for an L.E.D. flashlight530US 6,095,661 APPT Vision, Inc. · 2000
- Light-emitting diode display481US 4,298,869 AZaidan Hojin Handotai Kenkyu Shinkokai · 1981