G02F 1/1396
The liquid crystal being selectively controlled between a twisted state and a
Official title: {the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell (G02F1/141 takes precedence)}
G02F1/1396 (The liquid crystal being selectively controlled between a twisted state and a) appears on 810 US grants and 511 published applications in this corpus.
Search patents in G02F- Granted patents
- 810
- Published applications
- 511
- Assignees
- 280
- Inventors
- 1,403
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 17 | 0 |
| 1991 | 14 | 0 |
| 1992 | 27 | 0 |
| 1993 | 27 | 0 |
| 1994 | 22 | 0 |
| 1995 | 12 | 0 |
| 1996 | 20 | 0 |
| 1997 | 26 | 0 |
| 1998 | 27 | 0 |
| 1999 | 30 | 0 |
| 2000 | 40 | 0 |
| 2001 | 26 | 9 |
| 2002 | 28 | 26 |
| 2003 | 31 | 28 |
| 2004 | 37 | 39 |
| 2005 | 16 | 32 |
| 2006 | 24 | 27 |
| 2007 | 22 | 11 |
| 2008 | 18 | 18 |
| 2009 | 14 | 21 |
| 2010 | 14 | 19 |
| 2011 | 23 | 15 |
| 2012 | 19 | 17 |
| 2013 | 16 | 14 |
| 2014 | 12 | 29 |
| 2015 | 14 | 11 |
| 2016 | 11 | 14 |
| 2017 | 10 | 9 |
| 2018 | 14 | 11 |
| 2019 | 8 | 14 |
| 2020 | 12 | 13 |
| 2021 | 16 | 21 |
| 2022 | 15 | 16 |
| 2023 | 26 | 35 |
| 2024 | 22 | 29 |
| 2025 | 22 | 18 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lighting system21 Jul 2026US 12,687,277 B2Japan Display Inc.
- Complex light modulator, holographic display device, and see-through display device7 Jul 2026US 12,675,016 B2Korea University Research and Business Foundation, Sejong Campus
- Vehicle display apparatus integrated with a temperature regulator7 Jul 2026US 12,677,402 B2Continental Automotive Technologies GmbH
- Light modulating device26 May 2026US 12,638,724 B2LG Chem.Ltd.
- Method for reducing disclinations in a 2D/3D switchable autostereoscopic display26 May 2026US 12,641,214 B2Dimenco Holding B.V.
- A backlight unit, a vehicle display apparatus and a method of controlling the same1 Oct 2026US 2026/0301700 A1AUMOVIO Germany GmbH
- Method for reducing disclinations in a 2d/3d switchable autostereoscopic display27 Aug 2026US 2026/0254937 A1Dimenco Holding B.V.
- Liquid crystal display device and timepiece13 Aug 2026US 2026/0235904 A1Casio Computer Co., Ltd.
- Switchable mirror for transparent visors6 Aug 2026US 2026/0225432 A1
- Display device and electronic device including the same23 Jul 2026US 2026/0215097 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Liquid crystal displays having multi-domain cells279US 5,309,264 AInternational Business Machines Corporation · 1994
- Optical modulating element and electronic apparatus using it230US 5,642,214 ASharp Kabushiki Kaisha · 1997
- Polarizer device219US 5,235,443 AHoffmann-La Roche Inc. · 1993
- Reflective optically active diffractive device217US 5,825,448 AKent State University · 1998
- Light control systems with a circular polarizer and a twisted nematic liquid crystal having a minimum path difference of .lambda./2195US 5,319,478 AHoffmann-La Roche Inc. · 1994