H05B 45/20
Controlling the colour of the light
H05B45/20 (Controlling the colour of the light) appears on 6,081 US grants and 7,169 published applications in this corpus.
Search patents in H05B- Granted patents
- 6,081
- Published applications
- 7,169
- Assignees
- 2,012
- Inventors
- 9,004
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 3 |
| 2002 | 16 | 39 |
| 2003 | 25 | 34 |
| 2004 | 24 | 46 |
| 2005 | 23 | 94 |
| 2006 | 45 | 128 |
| 2007 | 60 | 135 |
| 2008 | 86 | 201 |
| 2009 | 92 | 196 |
| 2010 | 118 | 253 |
| 2011 | 130 | 188 |
| 2012 | 182 | 250 |
| 2013 | 216 | 304 |
| 2014 | 261 | 331 |
| 2015 | 297 | 385 |
| 2016 | 330 | 446 |
| 2017 | 502 | 517 |
| 2018 | 475 | 518 |
| 2019 | 588 | 523 |
| 2020 | 489 | 516 |
| 2021 | 429 | 449 |
| 2022 | 424 | 389 |
| 2023 | 380 | 368 |
| 2024 | 343 | 339 |
| 2025 | 300 | 325 |
| 2026 | 203 | 192 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for controlling the interior lighting of a vehicle6 Oct 2026US 12,752,701 B2Volkswagen Aktiengesellschaft
- Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time6 Oct 2026US 12,757,304 B2Lutron Technology Company LLC
- Four wire-to-two wire lamp control system and method6 Oct 2026US 12,757,306 B2Guangzhou Rising Dragon Recreation Industrial Co., Ltd.
- Four wire-to-two wire lamp control signal transmission system and method6 Oct 2026US 12,757,307 B2Guangzhou Rising Dragon Recreation Industrial Co., Ltd.
- Light emitting diode displays with light emitting diode pairs and integrated circuits in light emitting diode packages6 Oct 2026US 12,757,554 B2Christie Digital Systems USA, Inc.
- Luminaire and methodologies for combined visible illumination and deactivation of bacteria8 Oct 2026US 2026/0306695 A1ABL IP Holding LLC
- 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
- Determining a non-linear mapping of light settings to light sources of a light string8 Oct 2026US 2026/0313771 A1Signify Holding B. V.
- A bidirectionally illuminating light source triggered by power-line pulse signals, a light string, and a control apparatus8 Oct 2026US 2026/0313775 A1Hangzhou Yun Led Chip Photoelectricity Tech. Co., Ltd.
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