F21V 3/08
The material comprising photoluminescent substances
Official title: the material comprising photoluminescent substances
F21V3/08 (The material comprising photoluminescent substances) appears on 166 US grants and 216 published applications in this corpus.
Search patents in F21V- Granted patents
- 166
- Published applications
- 216
- Assignees
- 103
- Inventors
- 367
- Latest grant
- 21 Oct 2025
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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 3 | 11 |
| 2011 | 6 | 14 |
| 2012 | 7 | 11 |
| 2013 | 7 | 28 |
| 2014 | 18 | 29 |
| 2015 | 13 | 13 |
| 2016 | 17 | 18 |
| 2017 | 17 | 20 |
| 2018 | 17 | 10 |
| 2019 | 13 | 10 |
| 2020 | 17 | 18 |
| 2021 | 7 | 6 |
| 2022 | 6 | 8 |
| 2023 | 6 | 5 |
| 2024 | 6 | 2 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Wavelength conversion device and illumination device21 Jan 2025US 12,203,649 B2Kyoto University
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- Light bulb shaped lamp19 Nov 2024US 12,146,619 B2Satco Products, Inc.
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- A led filament lamp20 Aug 2026US 2026/0243395 A1Signify Holding B. V.
- A led filament3 Jul 2025US 2025/0216038 A1Signify Holding B. V.
- Light-emitting device3 Apr 2025US 2025/0109836 A1Nichia Corporation
- Lighting device20 Mar 2025US 2025/0093011 A1LG Innotek Co., Ltd.
- Wavelength conversion device and illumination device21 Nov 2024US 2024/0384858 A1Kyoto University
Most cited
By later US patents
- Colored lamp119US 4,382,272 ASiemens Aktiengesellschaft · 1983
- Light emitting device and lamp-cover structure containing luminescent material109US 7,828,453 B2Nepes LED Corporation · 2010
- Light emitting diode (LED) based lighting systems89US 7,972,030 B2Intematix Corporation · 2011
- LED lamp or bulb with remote phosphor and diffuser configuration with enhanced scattering properties66US 8,882,284 B2Cree, Inc. · 2014
- Light-emitting module and illumination apparatus65US 8,057,072 B2Toshiba Lighting & Technology Corporation · 2011