F21V 9/38
Combination of two or more photoluminescent elements of different materials
F21V9/38 (Combination of two or more photoluminescent elements of different materials) appears on 431 US grants and 542 published applications in this corpus.
Search patents in F21V- Granted patents
- 431
- Published applications
- 542
- Assignees
- 182
- Inventors
- 826
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 5 | 4 |
| 2008 | 2 | 7 |
| 2009 | 1 | 6 |
| 2010 | 10 | 13 |
| 2011 | 4 | 23 |
| 2012 | 11 | 25 |
| 2013 | 19 | 46 |
| 2014 | 26 | 35 |
| 2015 | 27 | 64 |
| 2016 | 46 | 45 |
| 2017 | 42 | 47 |
| 2018 | 42 | 29 |
| 2019 | 33 | 29 |
| 2020 | 40 | 37 |
| 2021 | 26 | 24 |
| 2022 | 23 | 34 |
| 2023 | 15 | 22 |
| 2024 | 22 | 16 |
| 2025 | 25 | 16 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting device and vehicle lamp comprising same7 Jul 2026US 12,674,555 B2LG Innotek Co., Ltd.
- Solid-state grow-lights for plant cultivation7 Jul 2026US 12,674,559 B2Bridgelux, Inc.
- Light emitting device and electronic apparatus using same12 May 2026US 12,628,476 B2Panasonic Intellectual Property Management Co., Ltd.
- Color conversion film, method for manufacturing color conversion film, backlight unit, and liquid crystal display device24 Mar 2026US 12,585,157 B2FUJIFILM Corporation
- Phosphor converted superluminescent diode light source17 Mar 2026US 12,578,078 B2Signify Holding B. V.
- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
- Light source apparatus17 Sep 2026US 2026/0276176 A1Sony Group Corporation
- Vehicle lamp27 Aug 2026US 2026/0251280 A1Ichikoh Industries, Ltd.
- A led filament lamp20 Aug 2026US 2026/0243395 A1Signify Holding B. V.
- Laser-phosphor engine with rotating converter20 Aug 2026US 2026/0243398 A1Signify Holding B. V.
Most cited
By later US patents
- 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
- Photolytically and environmentally stable multilayer structure for high efficiency electromagnetic energy conversion and sustained secondary emission218US 8,232,533 B2Performance Indicator, LLC · 2012
- Photolytically and environmentally stable multilayer structure for high efficiency electromagnetic energy conversion and sustained secondary emission214US 8,178,852 B2Performance Indicator, LLC · 2012
- Photolytically and environmentally stable multilayer structure for high efficiency electromagnetic energy conversion and sustained secondary emission211US 8,415,642 B2Performance Indicator, LLC · 2013