H04N 5/7441
The modulator being an array of liquid crystal cells
Official title: {the modulator being an array of liquid crystal cells}
H04N5/7441 (The modulator being an array of liquid crystal cells) appears on 868 US grants and 466 published applications in this corpus.
Search patents in H04N- Granted patents
- 868
- Published applications
- 466
- Assignees
- 204
- Inventors
- 1,120
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 35 | 0 |
| 1995 | 26 | 0 |
| 1996 | 39 | 0 |
| 1997 | 35 | 0 |
| 1998 | 50 | 0 |
| 1999 | 53 | 0 |
| 2000 | 50 | 0 |
| 2001 | 65 | 31 |
| 2002 | 56 | 63 |
| 2003 | 73 | 70 |
| 2004 | 51 | 71 |
| 2005 | 44 | 52 |
| 2006 | 58 | 41 |
| 2007 | 31 | 23 |
| 2008 | 26 | 18 |
| 2009 | 18 | 18 |
| 2010 | 15 | 5 |
| 2011 | 10 | 8 |
| 2012 | 9 | 6 |
| 2013 | 7 | 6 |
| 2014 | 9 | 10 |
| 2015 | 10 | 14 |
| 2016 | 6 | 3 |
| 2017 | 7 | 3 |
| 2018 | 6 | 3 |
| 2019 | 3 | 9 |
| 2020 | 7 | 2 |
| 2021 | 4 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Illumination apparatus, illumination method, and projector apparatus9 Sep 2025US 12,413,683 B2Sony Group Corporation
- Image display device and electronic apparatus14 Jan 2025US 12,197,117 B2Sony Semiconductor Solutions Corporation
- Compact polarized illuminators using reflective polarizers7 Jan 2025US 12,189,126 B23M Innovative Properties Company
- Electro-optical device and electronic apparatus2 Jul 2024US 12,028,646 B2Seiko Epson Corporation
- Electro-optical device and electronic apparatus2 Jul 2024US 12,028,647 B2Seiko Epson Corporation
- Compact polarized illuminators using reflective polarizers19 Dec 2024US 2024/0419001 A13M Innovative Properties Company
- Electro-optical device and electronic apparatus30 May 2024US 2024/0179269 A1Seiko Epson Corporation
- Electro-optical device and electronic apparatus30 May 2024US 2024/0179270 A1Seiko Epson Corporation
- Illumination apparatus, illumination method, and projector apparatus5 Oct 2023US 2023/0319228 A1Sony Group Corporation
- Compact polarized illuminators using reflective polarizers18 May 2023US 2023/0152590 A13M Innovative Properties Company
Most cited
By later US patents
- Single crystal silicon arrayed devices for display panels540US 5,317,236 AKopin Corporation · 1994
- Fault tolerant projective display having redundant light modulators406US 5,815,303 AXerox Corporation · 1998
- Liquid crystal display having essentially single crystal transistors pixels and driving circuits339US 5,206,749 AKopin Corporation · 1993
- High intensity lighting projectors319US 5,282,121 AVari-Lite, Inc. · 1994
- Active matrix color display with multiple cells and connection through substrate302US 5,861,929 AKopin Corporation · 1999