G09G 2300/0491
Use of a bi-refringent liquid crystal, optically controlled bi-refringence [ocb] with bend
Official title: Use of a bi-refringent liquid crystal, optically controlled bi-refringence [OCB] with bend and splay states, or electrically controlled bi-refringence [ECB] for controlling the color
G09G2300/0491 (Use of a bi-refringent liquid crystal, optically controlled bi-refringence [ocb] with bend) appears on 162 US grants and 217 published applications in this corpus.
Search patents in G09G- Granted patents
- 162
- Published applications
- 217
- Assignees
- 73
- Inventors
- 317
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 3 |
| 2002 | 1 | 7 |
| 2003 | 3 | 8 |
| 2004 | 2 | 7 |
| 2005 | 7 | 11 |
| 2006 | 13 | 35 |
| 2007 | 4 | 41 |
| 2008 | 11 | 26 |
| 2009 | 10 | 15 |
| 2010 | 18 | 12 |
| 2011 | 12 | 6 |
| 2012 | 17 | 14 |
| 2013 | 12 | 4 |
| 2014 | 12 | 4 |
| 2015 | 5 | 5 |
| 2016 | 6 | 3 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 8 |
| 2024 | 5 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Scan driving method for high-quality image and cholesteric liquid-crystal display device using the same4 Dec 2025US 2025/0372056 A1Iris Optronics Co., Ltd.
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Most cited
By later US patents
- Liquid crystal display device118US 7,623,202 B2Toshiba Matsushita Display Technology Co., Ltd. · 2009
- Liquid crystal display apparatus114US 7,787,077 B2Citizen Holdings Co., Ltd. · 2010
- Liquid crystal display device79US 7,145,536 B1Semiconductor Energy Laboratory Co.Ltd. · 2006
- Driving method of liquid crystal display device61US 6,069,620 AInternational Business Machines Corporation · 2000
- Display device43US 6,333,724 B1Kabushiki Kaisha Toshiba · 2001