F21V 7/26
The material comprising photoluminescent substances
Official title: the material comprising photoluminescent substances
F21V7/26 (The material comprising photoluminescent substances) appears on 126 US grants and 162 published applications in this corpus.
Search patents in F21V- Granted patents
- 126
- Published applications
- 162
- Assignees
- 93
- Inventors
- 333
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 3 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 3 | 10 |
| 2011 | 3 | 10 |
| 2012 | 5 | 10 |
| 2013 | 11 | 20 |
| 2014 | 10 | 12 |
| 2015 | 10 | 11 |
| 2016 | 11 | 5 |
| 2017 | 10 | 17 |
| 2018 | 10 | 13 |
| 2019 | 14 | 9 |
| 2020 | 9 | 8 |
| 2021 | 5 | 5 |
| 2022 | 5 | 7 |
| 2023 | 8 | 9 |
| 2024 | 6 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Wavelength conversion member and light-emitting device31 Dec 2024US 12,181,146 B2Nichia Corporation
- Simple fluorescent filament multi-color lamp bulb17 Sep 2024US 12,092,273 B2Dongguan Miray E-Tech Co., Ltd
- Photoconversion device and illumination system23 Apr 2024US 11,965,650 B2KYOCERA Corporation
- Light source unit of vehicle lighting system and vehicle lighting system16 Apr 2024US 11,959,613 B2Ichikoh Industries, Ltd.
- Method for manufacturing wavelength conversion member and light emitting device26 Mar 2024US 11,939,667 B2Nichia Corporation
- Light source device, light reflection member, and translucent member8 Oct 2026US 2026/0305593 A1Fkk Corporation
- Light source module and projector7 Nov 2024US 2024/0369916 A1Sony Group Corporation
- Simple fluorescent filament multi-color lamp bulb2 May 2024US 2024/0142069 A1Dongguan Miray E-Tech Co., Ltd
- Wavelength conversion member and light-emitting device19 Oct 2023US 2023/0332758 A1Nichia Corporation
- Photoconversion device and illumination system5 Oct 2023US 2023/0313974 A1KYOCERA Corporation
Most cited
By later US patents
- Optical system using LED coupled with phosphor-doped reflective materials206US 7,144,131 B2Advanced Optical Technologies, LLC · 2006
- Lighting device168US 7,722,220 B2Cree LED Lighting Solutions, Inc. · 2010
- Device of white light-emitting diode138US 6,841,804 B1Formosa Epitaxy Incorporation · 2005
- Warm white light emitting apparatus and back light module comprising the same73US 7,906,789 B2Seoul Semiconductor Co., Ltd. · 2011
- LED tube light with bendable circuit board70US 9,625,137 B2Jiaxing Super Lighting Electric Appliance Co., Ltd · 2017