F21V 9/32
Characterised by the arrangement of the photoluminescent material
Official title: characterised by the arrangement of the photoluminescent material
F21V9/32 (Characterised by the arrangement of the photoluminescent material) appears on 654 US grants and 804 published applications in this corpus.
Search patents in F21V- Granted patents
- 654
- Published applications
- 804
- Assignees
- 249
- Inventors
- 1,267
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 4 |
| 2006 | 2 | 2 |
| 2007 | 4 | 6 |
| 2008 | 1 | 7 |
| 2009 | 2 | 10 |
| 2010 | 4 | 13 |
| 2011 | 8 | 34 |
| 2012 | 15 | 29 |
| 2013 | 24 | 48 |
| 2014 | 31 | 44 |
| 2015 | 30 | 68 |
| 2016 | 60 | 58 |
| 2017 | 50 | 61 |
| 2018 | 48 | 53 |
| 2019 | 67 | 68 |
| 2020 | 73 | 70 |
| 2021 | 54 | 51 |
| 2022 | 47 | 46 |
| 2023 | 35 | 40 |
| 2024 | 34 | 39 |
| 2025 | 31 | 22 |
| 2026 | 10 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser-phosphor based stage-lighting fixture providing CTT control29 Sep 2026US 12,747,837 B2Signify Holding B. V.
- Vehicle lamp8 Sep 2026US 12,729,824 B2Nichia Corporation
- Cold light source light-emission apparatus, light-emission adjustment method, and outdoor light-emission device1 Sep 2026US 12,723,721 B1
- Lighting device with an improved performance while mimicking sunlight18 Aug 2026US 12,710,158 B2Signify Holding B. V.
- Wavelength conversion device and illumination device28 Jul 2026US 12,693,000 B2Kyoto University
- A skin structure and a forming method thereof8 Oct 2026US 2026/0309301 A1
- Tunable laser phosphor engine with rotating optical wedge8 Oct 2026US 2026/0309311 A1Signify Holding B. V.
- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
- Vehicle lamp17 Sep 2026US 2026/0276169 A1Nichia Corporation
- Stacking laser-banks with holes for obtaining a high brightness white light source10 Sep 2026US 2026/0269574 A1Signify Holding B. V.
Most cited
By later US patents
- Non-incandescent lightbulb package using light emitting diodes347US 6,504,301 B1Lumileds Lighting U.S., LLC · 2003
- Fluorescent tube with light emitting diodes234US 6,583,550 B2Toyoda Gosei Co., Ltd. · 2003
- Illumination system housing multiple LEDs and provided with corresponding conversion material176US 7,132,785 B2Color Kinetics Incorporated · 2006
- Semiconductor light source apparatus131US 8,851,694 B2Stanley Electric Co., Ltd. · 2014
- High efficiency incandescent bulb replacement lamp114US 7,600,882 B1LEDnovation, Inc. · 2009