H05B 45/00
Circuit arrangements for operating light-emitting diodes [led]
Official title: Circuit arrangements for operating light-emitting diodes [LED]
H05B45/00 (Circuit arrangements for operating light-emitting diodes [led]) appears on 20,127 US grants and 23,199 published applications in this corpus.
Search patents in H05B- Granted patents
- 20,127
- Published applications
- 23,199
- Assignees
- 4,807
- Inventors
- 25,120
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 16 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 23 | 0 |
| 1999 | 24 | 0 |
| 2000 | 44 | 0 |
| 2001 | 47 | 9 |
| 2002 | 60 | 97 |
| 2003 | 77 | 110 |
| 2004 | 74 | 161 |
| 2005 | 87 | 251 |
| 2006 | 142 | 315 |
| 2007 | 172 | 364 |
| 2008 | 210 | 521 |
| 2009 | 244 | 661 |
| 2010 | 338 | 923 |
| 2011 | 462 | 1016 |
| 2012 | 759 | 1342 |
| 2013 | 977 | 1403 |
| 2014 | 1310 | 1674 |
| 2015 | 1488 | 1643 |
| 2016 | 1665 | 1578 |
| 2017 | 1676 | 1585 |
| 2018 | 1513 | 1506 |
| 2019 | 1735 | 1519 |
| 2020 | 1491 | 1371 |
| 2021 | 1154 | 1149 |
| 2022 | 1094 | 981 |
| 2023 | 968 | 930 |
| 2024 | 865 | 833 |
| 2025 | 758 | 746 |
| 2026 | 529 | 511 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05B 45/30Driver circuits10,719
- H05B 45/10Controlling the intensity of the light7,603
- H05B 45/20Controlling the colour of the light6,081
- H05B 45/40Details of led load circuits4,461
- H05B 45/50Responsive to malfunctions or undesirable behaviour of leds2,741
- H05B 45/60Circuit arrangements for operating leds comprising organic material724
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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
- LED lamp manufacturing method1,017US 8,210,721 B2Everlight Electronics Co., Ltd. · 2012
- Universal lighting network methods and systems1,007US 6,548,967 B1Color Kinetics Incorporated · 2003
- Lighting entertainment system987US 6,166,496 AColor Kinetics Incorporated · 2000