G03B 21/567
For colour projection
Official title: {for colour projection (G03B21/58, G03B21/60 take precedence)}
G03B21/567 (For colour projection) appears on 100 US grants and 104 published applications in this corpus.
Search patents in G03B- Granted patents
- 100
- Published applications
- 104
- Assignees
- 55
- Inventors
- 185
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 3 | 5 |
| 2006 | 3 | 4 |
| 2007 | 3 | 5 |
| 2008 | 6 | 6 |
| 2009 | 1 | 4 |
| 2010 | 5 | 4 |
| 2011 | 3 | 4 |
| 2012 | 2 | 4 |
| 2013 | 6 | 3 |
| 2014 | 5 | 8 |
| 2015 | 4 | 4 |
| 2016 | 7 | 9 |
| 2017 | 8 | 9 |
| 2018 | 7 | 8 |
| 2019 | 13 | 9 |
| 2020 | 5 | 1 |
| 2021 | 3 | 6 |
| 2022 | 6 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Projection display device14 May 2024US 11,982,932 B2Light Show Technology Co., Ltd.
- Electronic device26 Mar 2024US 11,943,961 B2Samsung Display Co., Ltd.
- Projection apparatus and control method thereof26 Dec 2023US 11,856,338 B2Hisense Laser Display Co., Ltd
- Projection system and projection method14 Mar 2023US 11,604,402 B2Coretronic Corporation
- Luminous curved glass and curved digital signage3 Jan 2023US 11,545,056 B2Sekisui Chemical Co., Ltd.
- Image projection device and image projection control method5 Mar 2026US 2026/0067435 A1LG Electronics Inc.
- Projection device and projection method19 Jun 2025US 2025/0203049 A1Hisense Visual Technology Co., Ltd.
- System and method to prevent unintended viewing of a projected image4 Jan 2024US 2024/0004114 A1Solutia Inc.
- Projection display device12 Oct 2023US 2023/0324779 A1Light Show Technology Co., Ltd.
- Method of creating an ambient light rejecting projection screen using multi-layer selective light wavelength absorption materials16 Feb 2023US 2023/0052868 A1
Most cited
By later US patents
- High dynamic range display devices152US 6,891,672 B2The University of British Columbia · 2005
- Screen for liquid crystal projector59US 5,715,083 AHitachi, Ltd. · 1998
- High dynamic range display devices55US 7,106,505 B2The University of British Columbia · 2006
- High dynamic range display devices52US 7,172,297 B2The University of British Columbia · 2007
- Reflective screens37US 7,777,944 B2Delta Electronics, Inc. · 2010