F21V 9/14
Elements for modifying spectral properties, polarisation or intensity of the light emitted
Official title: for producing polarised light
F21V9/14 (Elements for modifying spectral properties, polarisation or intensity of the light emitted) appears on 278 US grants and 299 published applications in this corpus.
Search patents in F21V- Granted patents
- 278
- Published applications
- 299
- Assignees
- 175
- Inventors
- 599
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 2 |
| 2002 | 5 | 6 |
| 2003 | 2 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 1 |
| 2006 | 4 | 6 |
| 2007 | 1 | 1 |
| 2008 | 2 | 4 |
| 2009 | 0 | 6 |
| 2010 | 3 | 9 |
| 2011 | 1 | 6 |
| 2012 | 8 | 10 |
| 2013 | 6 | 32 |
| 2014 | 9 | 20 |
| 2015 | 22 | 32 |
| 2016 | 19 | 17 |
| 2017 | 22 | 18 |
| 2018 | 21 | 12 |
| 2019 | 28 | 26 |
| 2020 | 14 | 14 |
| 2021 | 19 | 18 |
| 2022 | 12 | 10 |
| 2023 | 7 | 13 |
| 2024 | 16 | 12 |
| 2025 | 11 | 6 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED light source comprising hollow pedestal supporting transparent optical element6 Oct 2026US 12,753,887 B2Lumileds LLC
- Laser-phosphor based stage-lighting fixture providing CTT control29 Sep 2026US 12,747,837 B2Signify Holding B. V.
- Work station for medical dose preparation1 Sep 2026US 12,725,108 B2Baxter Corporation Englewood
- System for generating collimated non-coherent bright light using a plurality of optical elements30 Jun 2026US 12,669,235 B2Disney Enterprises, Inc.
- Near-light illumination16 Jun 2026US 12,655,960 B2Hewlett-Packard Development Company, L. P.
- Tunable laser phosphor engine with rotating optical wedge8 Oct 2026US 2026/0309311 A1Signify Holding B. V.
- System for generating collimated non-coherent bright light using a plurality of optical elements1 Oct 2026US 2026/0298443 A1Disney Enterprises, Inc.
- Near-light illumination17 Sep 2026US 2026/0276178 A1Hewlett-Packard Development Company, L. P.
- Lighting device on a vehicle door of a motor vehicle10 Sep 2026US 2026/0264604 A1Kiekert AG
- A lighting system for illuminating an agribultural environment3 Sep 2026US 2026/0258919 A1Signify Holding B. V.
Most cited
By later US patents
- Flashlight for covert applications247US 5,161,879 A1992
- Illumination system and display device including such a system174US 5,721,603 AU. S. Philips Corporation · 1998
- Lighting device165US 4,947,291 A1990
- Switchable cholesteric filter and luminaire having such a filter164US 5,762,823 AU. S. Philips Corporation · 1998
- Method of manufacturing a switchable cholesteric filter as well as a luminaire having such a filter156US 5,798,057 AU. S. Philips Corporation · 1998