H05B 45/40
Details of led load circuits
Official title: Details of LED load circuits
H05B45/40 (Details of led load circuits) appears on 4,461 US grants and 4,980 published applications in this corpus.
Search patents in H05B- Granted patents
- 4,461
- Published applications
- 4,980
- Assignees
- 1,347
- Inventors
- 6,008
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 5 |
| 2002 | 10 | 28 |
| 2003 | 27 | 25 |
| 2004 | 18 | 35 |
| 2005 | 17 | 67 |
| 2006 | 29 | 75 |
| 2007 | 42 | 94 |
| 2008 | 47 | 141 |
| 2009 | 58 | 163 |
| 2010 | 89 | 232 |
| 2011 | 138 | 313 |
| 2012 | 210 | 356 |
| 2013 | 277 | 378 |
| 2014 | 385 | 416 |
| 2015 | 381 | 393 |
| 2016 | 430 | 365 |
| 2017 | 403 | 318 |
| 2018 | 335 | 279 |
| 2019 | 357 | 268 |
| 2020 | 264 | 234 |
| 2021 | 219 | 198 |
| 2022 | 164 | 157 |
| 2023 | 151 | 159 |
| 2024 | 153 | 121 |
| 2025 | 124 | 83 |
| 2026 | 77 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- LED driving circuit6 Oct 2026US 12,757,301 B2Silergy Semiconductor Technology (Hangzhou) LTD
- Driving system for a lighting apparatus29 Sep 2026US 12,750,933 B2Renesas Design (UK) Limited
- Control circuit of flame lamp and flame lamp29 Sep 2026US 12,750,935 B1Guangzhou Xushen Technology Co., Ltd.
- Control and monitoring circuitry for illuminated interface22 Sep 2026US 12,745,332 B2Tesla, Inc.
- Mother bulb controller and light string22 Sep 2026US 12,745,333 B1Zhongshan Huwei Hardware Products Co., Ltd.
- Method and apparatus for an adaptable vehicle light fixture8 Oct 2026US 2026/0313768 A1Nacho LED LLC
- Circuit for driving a led string8 Oct 2026US 2026/0313769 A1ams-OSRAM International GmbH
- Configuration for a Load Regulation Device for Lighting Control1 Oct 2026US 2026/0304572 A1Lutron Technology Company LLC
- Circuit for driving an led string1 Oct 2026US 2026/0304573 A1ams-OSRAM AG
- Color temperature controlled and low thd led lighting devices and systems and methods of driving the same24 Sep 2026US 2026/0292952 A1Lynk Labs, Inc.
Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Multicolored LED lighting method and apparatus1,174US 6,016,038 AColor Kinetics Incorporated · 2000
- Lighting entertainment system987US 6,166,496 AColor Kinetics Incorporated · 2000
- Illuminator assembly incorporating light emitting diodes881US 5,803,579 AGentex Corporation · 1998
- Lighting device and lighting method856US 7,213,940 B1LED Lighting Fixtures, Inc. · 2007