G03B 21/2033
Led or laser light sources
Official title: {LED or laser light sources}
G03B21/2033 (Led or laser light sources) appears on 3,408 US grants and 4,348 published applications in this corpus.
Search patents in G03B- Granted patents
- 3,408
- Published applications
- 4,348
- Assignees
- 617
- Inventors
- 3,983
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 1 |
| 2003 | 1 | 7 |
| 2004 | 2 | 10 |
| 2005 | 7 | 37 |
| 2006 | 11 | 45 |
| 2007 | 30 | 64 |
| 2008 | 42 | 47 |
| 2009 | 27 | 65 |
| 2010 | 35 | 92 |
| 2011 | 55 | 87 |
| 2012 | 48 | 175 |
| 2013 | 99 | 242 |
| 2014 | 147 | 218 |
| 2015 | 199 | 221 |
| 2016 | 227 | 228 |
| 2017 | 220 | 247 |
| 2018 | 270 | 319 |
| 2019 | 309 | 422 |
| 2020 | 357 | 393 |
| 2021 | 288 | 348 |
| 2022 | 309 | 323 |
| 2023 | 267 | 253 |
| 2024 | 184 | 216 |
| 2025 | 145 | 172 |
| 2026 | 116 | 114 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Increased red content in high CRI high brightness light source6 Oct 2026US 12,754,466 B2Signify Holding B. V.
- Reflective diffusion device and projection device6 Oct 2026US 12,754,467 B2Coretronic Corporation
- Illumination system having multiple light source modules and projection device6 Oct 2026US 12,754,468 B2Coretronic Corporation
- Phosphor unit, light source device, and projector29 Sep 2026US 12,748,302 B2Seiko Epson Corporation
- Wavelength converter, light source device, and projector22 Sep 2026US 12,743,012 B2Seiko Epson Corporation
- Laser reflection unit8 Oct 2026US 2026/0310055 A1Barco N.V.
- Light source device and image display device8 Oct 2026US 2026/0310058 A1Sony Semiconductor Solutions Corporation
- Multicolor light mixing module1 Oct 2026US 2026/0299385 A1Qisda Corporation
- Multicolor light mixing module1 Oct 2026US 2026/0299386 A1Qisda Corporation
- Illumination control method and illumination device1 Oct 2026US 2026/0299387 A1Seiko Epson Corporation
Most cited
By later US patents
- Augmented reality glasses for medical applications and corresponding augmented reality system307US 10,197,803 B2Alma Mater Studiorum - Università di Bologna · 2019
- System and method employing LED light sources for a projection display246US 6,224,216 B1InFocus Corporation · 2001
- Efficient light engine systems, components and methods of manufacture199US 6,356,700 B12002
- Laser based display method and system194US 8,427,590 B2Soraa, Inc. · 2013
- Polarized, LED-based illumination source176US 7,445,340 B23M Innovative Properties Company · 2008