G02F 1/1391
Bistable or multi-stable liquid crystal cells
Official title: {Bistable or multi-stable liquid crystal cells (G02F1/141 takes precedence)}
G02F1/1391 (Bistable or multi-stable liquid crystal cells) appears on 157 US grants and 154 published applications in this corpus.
Search patents in G02F- Granted patents
- 157
- Published applications
- 154
- Assignees
- 103
- Inventors
- 362
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 5 |
| 2002 | 5 | 6 |
| 2003 | 3 | 12 |
| 2004 | 9 | 7 |
| 2005 | 5 | 14 |
| 2006 | 9 | 8 |
| 2007 | 6 | 16 |
| 2008 | 7 | 9 |
| 2009 | 9 | 8 |
| 2010 | 8 | 11 |
| 2011 | 9 | 8 |
| 2012 | 7 | 5 |
| 2013 | 7 | 2 |
| 2014 | 6 | 2 |
| 2015 | 4 | 3 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 6 |
| 2021 | 2 | 3 |
| 2022 | 3 | 5 |
| 2023 | 0 | 3 |
| 2024 | 6 | 4 |
| 2025 | 9 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid crystal handwriting board, handwriting apparatus, and handwriting system23 Dec 2025US 12,504,658 B2Beijing Boe Optoelectronics Technology Co., Ltd.
- Cholesteric liquid crystal window having multiple stable states and methods for use16 Sep 2025US 12,416,840 B2Corning Incorporated
- Display device19 Aug 2025US 12,396,354 B2Sharp Display Technology Corporation
- Light regulation and control screen, light regulation and control system and light regulation and control method12 Aug 2025US 12,386,230 B1Zhejiang University
- Liquid crystal handwriting board and manufacturing method therefor5 Aug 2025US 12,379,630 B2Beijing Boe Optoelectronics Technology Co., Ltd.
- Active dual-band liquid crystal transmissive and reflective array structure20 Aug 2026US 2026/0246154 A1National Taiwan University of Science and Technology
- Liquid crystal element, display device, and dimmer device5 Feb 2026US 2026/0036861 A1Murata Manufacturing Co., Ltd.
- Bistable ferroelectric liquid crystal cell30 Oct 2025US 2025/0334843 A1The Hong Kong University of Science and Technology
- Light regulation and control screen, light regulation and control system and light regulation and control method14 Aug 2025US 2025/0258415 A1Zhejiang University
- Display device6 Mar 2025US 2025/0081800 A1Sharp Display Technology Corporation
Most cited
By later US patents
- Electro-optic displays, and color filters for use therein142US 8,054,526 B2E Ink Corporation · 2011
- Bistable liquid crystal display device using polymer stabilization98US 6,133,975 AKent State University · 2000
- Bistable liquid crystal display device using polymer stabilization95US 6,583,838 B1Kent State University · 2003
- Control of liquid crystal alignment in an optical device86US 7,375,784 B2Sharp Kabushiki Kaisha · 2008
- Electro-optic display with edge seal76US 8,610,988 B2E Ink Corporation · 2013