G03B 21/2073
Polarisers in the lamp house
Official title: {Polarisers in the lamp house (peculiar to electronic spatial light modulators H04N9/3197)}
G03B21/2073 (Polarisers in the lamp house) appears on 997 US grants and 1,245 published applications in this corpus.
Search patents in G03B- Granted patents
- 997
- Published applications
- 1,245
- Assignees
- 266
- Inventors
- 1,408
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 14 | 3 |
| 2002 | 13 | 12 |
| 2003 | 16 | 9 |
| 2004 | 6 | 18 |
| 2005 | 14 | 34 |
| 2006 | 18 | 53 |
| 2007 | 20 | 60 |
| 2008 | 28 | 27 |
| 2009 | 32 | 42 |
| 2010 | 21 | 39 |
| 2011 | 35 | 46 |
| 2012 | 37 | 63 |
| 2013 | 28 | 54 |
| 2014 | 45 | 41 |
| 2015 | 58 | 50 |
| 2016 | 46 | 46 |
| 2017 | 50 | 53 |
| 2018 | 60 | 68 |
| 2019 | 55 | 84 |
| 2020 | 81 | 76 |
| 2021 | 64 | 96 |
| 2022 | 72 | 80 |
| 2023 | 75 | 64 |
| 2024 | 40 | 56 |
| 2025 | 29 | 43 |
| 2026 | 27 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Projector including parallelizing lens and polarizers25 Aug 2026US 12,720,021 B2Seiko Epson Corporation
- Light source system and projection device8 Oct 2026US 2026/0310059 A1XGIMI Technology CO., LTD
- Liquid crystal projector1 Oct 2026US 2026/0299382 A1Sharp Display Technology Corporation
- Projector and projection system1 Oct 2026US 2026/0299390 A1Seiko Epson Corporation
- Light source module and projection device1 Oct 2026US 2026/0299392 A1Coretronic Corporation
- Light source assembly, method for manufacturing same, and projection device24 Sep 2026US 2026/0287994 A1Beijing Boe Display Technology Co., Ltd.
Most cited
By later US patents
- Polarized, LED-based illumination source176US 7,445,340 B23M Innovative Properties Company · 2008
- Polarized, led-based illumination source153US 7,854,514 B23M Innovative Properties Company · 2010
- Polarized, multicolor LED-based illumination source151US 7,540,616 B23M Innovative Properties Company · 2009
- Image projection system138US 6,520,643 B1Digital Optics International Corporation · 2003
- Color imaging systems and methods98US 6,183,091 B2ColorLink, Inc. · 2001