G02F 1/141
Using ferroelectric liquid crystals
Official title: using ferroelectric liquid crystals
G02F1/141 (Using ferroelectric liquid crystals) appears on 757 US grants and 257 published applications in this corpus.
Search patents in G02F- Granted patents
- 757
- Published applications
- 257
- Assignees
- 207
- Inventors
- 1,026
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 17 | 0 |
| 1988 | 14 | 0 |
| 1989 | 24 | 0 |
| 1990 | 20 | 0 |
| 1991 | 26 | 0 |
| 1992 | 37 | 0 |
| 1993 | 30 | 0 |
| 1994 | 27 | 0 |
| 1995 | 36 | 0 |
| 1996 | 56 | 0 |
| 1997 | 46 | 0 |
| 1998 | 58 | 0 |
| 1999 | 34 | 0 |
| 2000 | 52 | 0 |
| 2001 | 34 | 12 |
| 2002 | 26 | 29 |
| 2003 | 25 | 12 |
| 2004 | 21 | 23 |
| 2005 | 20 | 23 |
| 2006 | 11 | 23 |
| 2007 | 16 | 16 |
| 2008 | 16 | 19 |
| 2009 | 19 | 5 |
| 2010 | 5 | 13 |
| 2011 | 13 | 7 |
| 2012 | 12 | 6 |
| 2013 | 7 | 5 |
| 2014 | 7 | 7 |
| 2015 | 7 | 8 |
| 2016 | 2 | 10 |
| 2017 | 5 | 3 |
| 2018 | 5 | 3 |
| 2019 | 3 | 5 |
| 2020 | 6 | 4 |
| 2021 | 3 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 6 |
| 2024 | 4 | 2 |
| 2025 | 1 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device including ferroelectric nematic liquid crystal-forming molecules and methods of forming and using same17 Mar 2026US 12,578,607 B2The Regents of the University of Colorado, a body corporate
- Optical systems having polarization recycling structures27 Jan 2026US 12,535,708 B2
- Optical dimming devices with chiral ferroelectric nematic liquid crystal9 Dec 2025US 12,493,220 B2Meta Platforms Technologies, LLC
- Polymer stabilized paraboloid liquid crystal microlenses array with integrated pancharatnam-berry phase13 Aug 2024US 12,060,513 B2Kent State University
- High-contrast ferroelectric liquid crystal cell25 Jun 2024US 12,019,345 B2The Hong Kong University of Science and Technology
- Preparation method and application for ferroelectric liquid crystal material grating at room temperature based on femtosecond laser direct writing1 Oct 2026US 2026/0299322 A1Nanjing University
- Nonlinear perfect vector beam generation element, preparation method and application thereof16 Jul 2026US 2026/0202702 A1Nanjing University
- Bistable ferroelectric liquid crystal cell30 Oct 2025US 2025/0334843 A1The Hong Kong University of Science and Technology
- Ferroelectric nematic liquid crystals for use in hybrid slot modulators26 Jun 2025US 2025/0208474 A1Polaris Electro-Optics, Inc.
- Virtual-image display device29 May 2025US 2025/0172808 A1Seiko Epson Corporation
Most cited
By later US patents
- Chiral smectic C or H liquid crystal electro-optical device483US 4,367,924 A1983
- Liquid-crystal electro-optical apparatus and method of manufacturing the same383US 5,594,569 ASemiconductor Energy Laboratory Co.Ltd. · 1997
- Liquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatment268US 4,775,225 ACanon Kabushiki Kaisha · 1988
- Chiral smectic liquid crystal optical modulators having variable retardation259US 5,381,253 ABoard of Regents of the University of Colorado · 1995
- LCD columnar spacers made of a hydrophilic resin and LCD orientation film having a certain surface tension or alignment capability242US 5,680,189 ASemiconductor Energy Laboratory Co.Ltd. · 1997