G02F 1/1326
Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating
Official title: {Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating or modulating between optical waveguides}
G02F1/1326 (Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating) appears on 324 US grants and 283 published applications in this corpus.
Search patents in G02F- Granted patents
- 324
- Published applications
- 283
- Assignees
- 175
- Inventors
- 619
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 14 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 9 |
| 2003 | 9 | 11 |
| 2004 | 10 | 16 |
| 2005 | 8 | 15 |
| 2006 | 20 | 13 |
| 2007 | 9 | 3 |
| 2008 | 7 | 3 |
| 2009 | 5 | 4 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 5 | 3 |
| 2013 | 5 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 7 |
| 2016 | 6 | 10 |
| 2017 | 7 | 13 |
| 2018 | 10 | 10 |
| 2019 | 16 | 34 |
| 2020 | 21 | 46 |
| 2021 | 19 | 15 |
| 2022 | 23 | 10 |
| 2023 | 15 | 14 |
| 2024 | 16 | 17 |
| 2025 | 12 | 13 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Programmable waveguide devices and methods22 Sep 2026US 12,742,982 B2Arizona Board of Regents on Behalf of the University of Arizona
- Beam regulation structure and apparatus, and electronic device14 Jul 2026US 12,681,343 B2Beijing BOE Technology Development Co., Ltd.
- Projection system and method with dynamic target geometry23 Jun 2026US 12,665,991 B2Dolby International AB
- Systems and methods for manufacturing waveguide cells28 Apr 2026US 12,613,439 B2DigiLens Inc.
- Method and system for optical switching with integrated polarization diversity control3 Feb 2026US 12,541,134 B2II-Vi Delaware, Inc.
- Optical element, light guide element, and ar display device2 Jul 2026US 2026/0186331 A1Sharp Display Technology Corporation
- Transfer film and manufacturing method of optical waveguide16 Apr 2026US 2026/0103576 A1FUJIFILM Corporation
- Structure for extracting a guided mode12 Mar 2026US 2026/0072210 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Image display device12 Mar 2026US 2026/0072282 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Electronic device12 Feb 2026US 2026/0044033 A1Advanced Semiconductor Engineering, Inc.
Most cited
By later US patents
- Optical waveguide display system234US 5,009,483 A1991
- Surgical visualization and monitoring193US 11,369,366 B2Cilag GmbH International · 2022
- Optical switching apparatus182US 7,058,252 B2Ocuity Limited · 2006
- Optical scanning device an optical scanning type display and an image data input/output device176US 5,452,385 ASharp Kabushiki Kaisha · 1995
- Optical switches using cholesteric or chiral nematic liquid crystals and method of using same133US 4,991,924 ACornell Research Foundation, Inc. · 1991