H05B 45/14
Using electrical feedback from leds or from led modules
Official title: using electrical feedback from LEDs or from LED modules
H05B45/14 (Using electrical feedback from leds or from led modules) appears on 1,470 US grants and 1,611 published applications in this corpus.
Search patents in H05B- Granted patents
- 1,470
- Published applications
- 1,611
- Assignees
- 620
- Inventors
- 2,453
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 4 |
| 2003 | 0 | 0 |
| 2004 | 2 | 9 |
| 2005 | 7 | 22 |
| 2006 | 5 | 10 |
| 2007 | 14 | 19 |
| 2008 | 11 | 19 |
| 2009 | 11 | 30 |
| 2010 | 24 | 48 |
| 2011 | 18 | 55 |
| 2012 | 46 | 71 |
| 2013 | 63 | 99 |
| 2014 | 90 | 147 |
| 2015 | 135 | 132 |
| 2016 | 144 | 117 |
| 2017 | 126 | 84 |
| 2018 | 94 | 87 |
| 2019 | 100 | 99 |
| 2020 | 93 | 101 |
| 2021 | 81 | 105 |
| 2022 | 121 | 101 |
| 2023 | 80 | 71 |
| 2024 | 83 | 77 |
| 2025 | 57 | 66 |
| 2026 | 49 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Power supply for light emitting diode array454US 5,661,645 A1997
- LED power control methods and apparatus433US 7,256,554 B2Color Kinetics Incorporated · 2007
- LED brightness control system for a wide-range of luminance control405US 6,987,787 B1Rockwell Collins, Inc. · 2006
- LED-based lighting network power control methods and apparatus390US 7,233,115 B2Color Kinetics Incorporated · 2007
- Color variations in a dimmable lighting device with stable color temperature light sources344US 7,288,902 B1Cirrus Logic, Inc. · 2007