G03H 2223/14
Diffuser
Official title: Diffuser, e.g. lens array, random phase mask
G03H2223/14 (Diffuser) appears on 118 US grants and 120 published applications in this corpus.
Search patents in G03H- Granted patents
- 118
- Published applications
- 120
- Assignees
- 89
- Inventors
- 273
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 5 |
| 2003 | 4 | 2 |
| 2004 | 4 | 5 |
| 2005 | 4 | 6 |
| 2006 | 4 | 8 |
| 2007 | 4 | 6 |
| 2008 | 5 | 2 |
| 2009 | 4 | 4 |
| 2010 | 4 | 4 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 3 | 4 |
| 2014 | 1 | 2 |
| 2015 | 3 | 5 |
| 2016 | 2 | 2 |
| 2017 | 3 | 6 |
| 2018 | 4 | 4 |
| 2019 | 5 | 5 |
| 2020 | 6 | 8 |
| 2021 | 3 | 9 |
| 2022 | 6 | 6 |
| 2023 | 5 | 4 |
| 2024 | 7 | 6 |
| 2025 | 6 | 5 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Patch correction for light steering projector11 Aug 2026US 12,707,031 B2Barco Visual Solutions, Inc.
- Holographic display and method for generating a hologram28 Jul 2026US 12,693,628 B2Gachon University of Industry-Academic Cooperation Foundation
- Controlling spatial coherence for holography12 May 2026US 12,625,465 B2Hot Pixel Holographics LLC
- Rotating diffuser for improved image quality10 Feb 2026US 12,547,000 B1Envisics Ltd
- Full color holographic projector with single wavelength laser source, spatial light modulator, and rotating diffuser13 Jan 2026US 12,523,964 B2GM Global Technology Operations LLC
- Measurement method for determining a replication parameter, and replication method using the determined replication parameter20 Aug 2026US 2026/0244155 A1
- Holographic optical module, holographic display device comprising such a holographic optical module, and method for producing such a holographic optical module12 Feb 2026US 2026/0044110 A1Carl Zeiss Jena GmbH
- Holographic display and method for generating a hologram29 Jan 2026US 2026/0029751 A1Gachon University of Industry-Academic Cooperation Foundation
- Full color holographic projector with single wavelength laser source, spatial light modulator, and rotating diffuser23 Oct 2025US 2025/0328106 A1GM Global Technology Operations LLC
- Holographic image projection with holographic correction16 Oct 2025US 2025/0321421 A1Envisics Ltd
Most cited
By later US patents
- Edge-lit holographic diffusers for flat-panel displays93US 5,418,631 AKaiser Optical Systems · 1995
- Full-color hologram92US 4,421,380 A1983
- Color hologram display and its fabrication process86US 7,710,622 B2Dai Nippon Printing Co.Ltd. · 2010
- Viewing screen formed using coherent light82US 5,609,939 APhysical Optics Corporation · 1997
- Phase correlation multiplex holography79US 5,719,691 ALucent Technologies Inc. · 1998