H04N 9/3117
By using a sequential colour filter producing two or more colours simultaneously
Official title: {by using a sequential colour filter producing two or more colours simultaneously, e.g. by creating scrolling colour bands}
H04N9/3117 (By using a sequential colour filter producing two or more colours simultaneously) appears on 302 US grants and 310 published applications in this corpus.
Search patents in H04N- Granted patents
- 302
- Published applications
- 310
- Assignees
- 105
- Inventors
- 398
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 11 | 5 |
| 2002 | 8 | 19 |
| 2003 | 15 | 36 |
| 2004 | 32 | 53 |
| 2005 | 29 | 38 |
| 2006 | 42 | 34 |
| 2007 | 28 | 20 |
| 2008 | 14 | 8 |
| 2009 | 9 | 10 |
| 2010 | 9 | 10 |
| 2011 | 10 | 3 |
| 2012 | 3 | 4 |
| 2013 | 6 | 12 |
| 2014 | 9 | 3 |
| 2015 | 8 | 5 |
| 2016 | 5 | 8 |
| 2017 | 12 | 17 |
| 2018 | 11 | 4 |
| 2019 | 7 | 0 |
| 2020 | 1 | 5 |
| 2021 | 4 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 7 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Picture generation apparatus, projection apparatus, and vehicle4 Aug 2026US 12,701,204 B2Yinwang Intelligent Technologies Co., Ltd.
- Light source apparatus and projector7 Apr 2026US 12,596,294 B2Seiko Epson Corporation
- Digital display system and method10 Mar 2026US 12,574,481 B2Texas Instruments Incorporated
- Color wheel24 Feb 2026US 12,560,800 B2LG Electronics Inc.
- Projection device and method for controlling projection device28 Oct 2025US 12,457,308 B2Seiko Epson Corporation
- Optical device and image projection apparatus including the same11 Jun 2026US 2026/0161065 A1LG Electronics Inc.
- Pulse width modulation sequencing in light projection systems using light-recycling color filters14 May 2026US 2026/0135978 A1Texas Instruments Incorporated
- Pulse width modulation sequencing in light projection systems using light- recycling color filters12 Mar 2026US 2026/0075168 A1Texas Instruments Incorporated
- Systems and methods for digital laser projection with increased contrast using fourier filter24 Jul 2025US 2025/0237882 A1Dolby Laboratories Licensing Corporation
- Optical assembly and projection devices using the same7 Mar 2024US 2024/0080415 A1Hon Hai Precision Industry Co., Ltd.
Most cited
By later US patents
- DMD display system492US 5,452,024 ATexas Instruments Incorporated · 1995
- Color sequential display panels268US 5,642,129 AKopin Corporation · 1997
- Color sequential display panels231US 6,097,352 AKopin Corporation · 2000
- Single panel color video projection display using reflective banded color falling-raster illumination221US 6,870,581 B2Sharp Laboratories of America, Inc. · 2005
- Head-mounted display apparatus with color sequential illumination204US 5,673,059 AKopin Corporation · 1997