G09G 2300/0482
Use of memory effects in nematic liquid crystals
G09G2300/0482 (Use of memory effects in nematic liquid crystals) appears on 248 US grants and 294 published applications in this corpus.
Search patents in G09G- Granted patents
- 248
- Published applications
- 294
- Assignees
- 106
- Inventors
- 568
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 12 |
| 2002 | 6 | 17 |
| 2003 | 7 | 26 |
| 2004 | 13 | 16 |
| 2005 | 15 | 11 |
| 2006 | 17 | 22 |
| 2007 | 6 | 17 |
| 2008 | 5 | 21 |
| 2009 | 6 | 18 |
| 2010 | 15 | 30 |
| 2011 | 13 | 20 |
| 2012 | 19 | 13 |
| 2013 | 17 | 10 |
| 2014 | 9 | 7 |
| 2015 | 4 | 2 |
| 2016 | 4 | 5 |
| 2017 | 3 | 2 |
| 2018 | 2 | 5 |
| 2019 | 3 | 4 |
| 2020 | 4 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 5 |
| 2023 | 4 | 6 |
| 2024 | 9 | 6 |
| 2025 | 7 | 6 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multistable display with partial update mode4 Aug 2026US 12,700,381 B1Genetouch Corp.
- Handwriting input device28 Apr 2026US 12,613,629 B2Wacom Co., Ltd.
- Cholesteric liquid crystal display and driving method of cholesteric liquid crystal display10 Feb 2026US 12,548,531 B2Iris Optronics Co., Ltd.
- Composite display device and controlling method thereof11 Nov 2025US 12,469,469 B2Iris Optronics Co., Ltd.
- Cholesterol liquid crystal display and driving method thereof11 Nov 2025US 12,469,472 B2Iris Optronics Co., Ltd.
- Multistable display with handwriting function1 Oct 2026US 2026/0301641 A1Genetouch Corp.
- 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
- Liquid crystal display device and driving method thereof18 Jun 2026US 2026/0171040 A1Iris Optronics Co., Ltd.
- Display driving system and method thereof28 May 2026US 2026/0148714 A1Iris Optronics Co., Ltd.
Most cited
By later US patents
- Method and apparatus for electronic switching of a reflective color display227US 5,251,048 AKent State University · 1993
- Dynamic drive methods and apparatus for a bistable liquid crystal display202US 6,154,190 AKent State University · 2000
- Dynamic drive method and apparatus for a bistable liquid crystal display187US 5,748,277 AKent State University · 1998
- Bistable reflective cholesteric liquid crystal displays utilizing super twisted nematic driver chips127US 6,278,429 B1Kent State University · 2001
- Drive schemes for gray scale bistable cholesteric reflective displays122US 6,268,839 B1Kent State University · 2001