F21S 41/176
Light sources where the light is generated by photoluminescent material spaced from
Official title: Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
F21S41/176 (Light sources where the light is generated by photoluminescent material spaced from) appears on 678 US grants and 823 published applications in this corpus.
Search patents in F21S- Granted patents
- 678
- Published applications
- 823
- Assignees
- 140
- Inventors
- 902
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 5 |
| 2006 | 1 | 7 |
| 2007 | 5 | 2 |
| 2008 | 5 | 3 |
| 2009 | 4 | 5 |
| 2010 | 4 | 3 |
| 2011 | 2 | 20 |
| 2012 | 5 | 42 |
| 2013 | 8 | 25 |
| 2014 | 35 | 56 |
| 2015 | 28 | 98 |
| 2016 | 58 | 85 |
| 2017 | 65 | 100 |
| 2018 | 93 | 102 |
| 2019 | 135 | 83 |
| 2020 | 75 | 50 |
| 2021 | 45 | 31 |
| 2022 | 33 | 45 |
| 2023 | 24 | 22 |
| 2024 | 29 | 17 |
| 2025 | 16 | 12 |
| 2026 | 7 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Vehicle lamp8 Sep 2026US 12,729,824 B2Nichia Corporation
- Light emitting device18 Aug 2026US 12,712,331 B2Nichia Corporation
- Lighting device and vehicle lamp comprising same7 Jul 2026US 12,674,555 B2LG Innotek Co., Ltd.
- Light emitting device, headlight, and vehicle comprising same2 Jun 2026US 12,648,271 B2Nichia Corporation
- Light emitting device31 Mar 2026US 12,592,539 B2Nichia Corporation
- Vehicle lamp17 Sep 2026US 2026/0276169 A1Nichia Corporation
- Tunable beam comprising laser phosphor engine30 Jul 2026US 2026/0218863 A1Signify Holding B. V.
- Light-emitting device and lighting apparatus28 May 2026US 2026/0146722 A1Stanley Electric Co., Ltd.
- Light-emitting device, headlight, and vehicle equipped with same21 May 2026US 2026/0139806 A1Nichia Corporation
- Vehicle light source device and vehicle lighting fixture30 Apr 2026US 2026/0117949 A1Nichia Corporation
Most cited
By later US patents
- Optical manifold for light-emitting diodes187US 7,286,296 B2Light Prescriptions Innovators, LLC · 2007
- Vehicle lamp using emitting device for suppressing color tone difference according to illumination conditions177US 7,501,749 B2Koito Manufacturing Co., Ltd. · 2009
- Semiconductor light source apparatus131US 8,851,694 B2Stanley Electric Co., Ltd. · 2014
- Vehicular headlamp and optical unit72US 7,073,931 B2Koito Manufacturing Co., Ltd. · 2006
- Light emitting device63US 7,422,356 B2Nichia Corporation · 2008