F21V 9/30
Elements containing photoluminescent material distinct from or spaced from the light source
Official title: Elements containing photoluminescent material distinct from or spaced from the light source (shades F21V1/17; globes, bowls or cover glasses F21V3/08, F21V3/12; refractors F21V5/10; reflectors F21V7/26, F21V7/30; elements with provision for controlling the spectral properties or intensity F21V9/40)
F21V9/30 (Elements containing photoluminescent material distinct from or spaced from the light source) appears on 1,816 US grants and 2,213 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,816
- Published applications
- 2,213
- Assignees
- 525
- Inventors
- 2,988
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 3 |
| 2003 | 6 | 7 |
| 2004 | 2 | 4 |
| 2005 | 2 | 11 |
| 2006 | 3 | 5 |
| 2007 | 10 | 12 |
| 2008 | 3 | 15 |
| 2009 | 6 | 22 |
| 2010 | 13 | 27 |
| 2011 | 13 | 60 |
| 2012 | 26 | 75 |
| 2013 | 51 | 152 |
| 2014 | 74 | 123 |
| 2015 | 91 | 176 |
| 2016 | 132 | 148 |
| 2017 | 159 | 192 |
| 2018 | 168 | 202 |
| 2019 | 217 | 174 |
| 2020 | 203 | 179 |
| 2021 | 131 | 143 |
| 2022 | 132 | 152 |
| 2023 | 111 | 115 |
| 2024 | 112 | 95 |
| 2025 | 84 | 70 |
| 2026 | 34 | 49 |
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.
- Photoluminescent sign with transient-suppressed LED circuit29 Sep 2026US 12,747,849 B2Ecoglo International Limited
- Lighting module, lighting device and lamp29 Sep 2026US 12,747,850 B2LG Innotek Co., Ltd.
- Portable charger for recreational flying objects and method of use22 Sep 2026US 12,742,526 B2
- Vehicle lamp8 Sep 2026US 12,729,824 B2Nichia Corporation
- Light source device, light reflection member, and translucent member8 Oct 2026US 2026/0305593 A1Fkk Corporation
- 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.
- Light Emitting Devices and Lighting Systems8 Oct 2026US 2026/0309317 A1Bridgelux, Inc.
- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
Most cited
By later US patents
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Light emitting device and system providing white light with various color temperatures564US 8,459,832 B2Samsung Electronics Co., Ltd. · 2013
- Non-incandescent lightbulb package using light emitting diodes347US 6,504,301 B1Lumileds Lighting U.S., LLC · 2003
- Illumination device for simulating neon or similar lighting using phosphorescent dye242US 7,264,366 B2iLight Technologies, Inc. · 2007
- Fluorescent tube with light emitting diodes234US 6,583,550 B2Toyoda Gosei Co., Ltd. · 2003