G09G 3/3629
Using liquid crystals having memory effects
Official title: {using liquid crystals having memory effects, e.g. ferroelectric liquid crystals}
G09G3/3629 (Using liquid crystals having memory effects) appears on 784 US grants and 389 published applications in this corpus.
Search patents in G09G- Granted patents
- 784
- Published applications
- 389
- Assignees
- 201
- Inventors
- 1,103
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 15 | 0 |
| 1988 | 17 | 0 |
| 1989 | 13 | 0 |
| 1990 | 26 | 0 |
| 1991 | 22 | 0 |
| 1992 | 21 | 0 |
| 1993 | 17 | 0 |
| 1994 | 22 | 0 |
| 1995 | 22 | 0 |
| 1996 | 30 | 0 |
| 1997 | 50 | 0 |
| 1998 | 67 | 0 |
| 1999 | 51 | 0 |
| 2000 | 57 | 0 |
| 2001 | 40 | 9 |
| 2002 | 25 | 22 |
| 2003 | 14 | 33 |
| 2004 | 19 | 17 |
| 2005 | 20 | 21 |
| 2006 | 19 | 21 |
| 2007 | 15 | 16 |
| 2008 | 6 | 24 |
| 2009 | 7 | 14 |
| 2010 | 13 | 22 |
| 2011 | 13 | 21 |
| 2012 | 15 | 20 |
| 2013 | 12 | 9 |
| 2014 | 6 | 8 |
| 2015 | 6 | 10 |
| 2016 | 8 | 14 |
| 2017 | 9 | 7 |
| 2018 | 6 | 18 |
| 2019 | 17 | 16 |
| 2020 | 20 | 13 |
| 2021 | 8 | 8 |
| 2022 | 8 | 4 |
| 2023 | 5 | 13 |
| 2024 | 11 | 11 |
| 2025 | 10 | 5 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid crystal display and screen clearing method thereof18 Aug 2026US 12,710,672 B2Iris Optronics Co., Ltd.
- Multistable display with partial update mode4 Aug 2026US 12,700,381 B1Genetouch Corp.
- Scan driving method for high-quality image and cholesteric liquid-crystal display device using the same30 Jun 2026US 12,670,880 B2Iris Optronics Co., Ltd.
- Hybrid-driven cholesteric liquid crystal display23 Jun 2026US 12,664,956 B2Iris Optronics Co., Ltd.
- Electronic device26 May 2026US 12,640,072 B2Innolux Corporation
- Multistable display with handwriting function1 Oct 2026US 2026/0301641 A1Genetouch Corp.
- Display switching system and switching method thereof10 Sep 2026US 2026/0268870 A1Iris Optronics Co., Ltd.
- Electronic device having at least one cholesteric liquid crystal layer30 Jul 2026US 2026/0219541 A1Innolux Corporation
- Cholesteric liquid-crystal display device and scan driving method thereof2 Jul 2026US 2026/0188275 A1Iris Optronics Co., Ltd.
- Display device and driving method thereof18 Jun 2026US 2026/0170988 A1AUO Corporation
Most cited
By later US patents
- Ferroelectric display panel and driving method therefor to achieve gray scale233US 4,709,995 ACanon Kabushiki Kaisha · 1987
- Method and apparatus for electronic switching of a reflective color display227US 5,251,048 AKent State University · 1993
- Electro-optic displays with reduced remnant voltage209US 8,558,783 B2E Ink Corporation · 2013
- Dynamic drive methods and apparatus for a bistable liquid crystal display202US 6,154,190 AKent State University · 2000
- Heated ferroelectric liquid crystal spatial light modulator with improved contrast, improved grayscale resolution, and decreased pixel sticking when operated in a non-DC balanced mode198US 6,157,432 AHewlett-Packard Company · 2000