G02F 1/13731
Based on a field-induced phase transition
Official title: {based on a field-induced phase transition (G02F1/13781 takes precedence)}
G02F1/13731 (Based on a field-induced phase transition) appears on 140 US grants and 133 published applications in this corpus.
Search patents in G02F- Granted patents
- 140
- Published applications
- 133
- Assignees
- 88
- Inventors
- 392
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 4 | 5 |
| 2011 | 0 | 0 |
| 2012 | 5 | 7 |
| 2013 | 1 | 4 |
| 2014 | 4 | 3 |
| 2015 | 3 | 7 |
| 2016 | 2 | 15 |
| 2017 | 4 | 8 |
| 2018 | 12 | 9 |
| 2019 | 9 | 4 |
| 2020 | 8 | 14 |
| 2021 | 8 | 12 |
| 2022 | 15 | 9 |
| 2023 | 11 | 9 |
| 2024 | 11 | 7 |
| 2025 | 4 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic devices with curved display surfaces4 Aug 2026US 12,700,358 B2
- Eyewear with non-polarizing ambient light dimming25 Nov 2025US 12,481,184 B2Snap Inc.
- Intelligent window3 Jun 2025US 12,321,066 B2Brilliant Optronics Co., Ltd.
- Dimming panel, method for manufacturing same, method for driving same, and architectural dimming glass11 Mar 2025US 12,248,220 B2Boe Technology Group Co., Ltd.
- Optical display system, control method and display device25 Feb 2025US 12,235,449 B2Beijing Boe Optoelectronics Technology Co., Ltd.
- Light control sheet and method of producing light control sheet2 Jul 2026US 2026/0186362 A1Toppan Holdings Inc.
- Light filter and lighting device and screen having such a light filter4 Jun 2026US 2026/0153762 A1siOPTICA GmbH
- Low-Haze Dye-Doped Liquid Crystal Film16 Apr 2026US 2026/0103639 A1Wicue USA INC.
- Eyewear with non-polarizing ambient light dimming26 Feb 2026US 2026/0056427 A1Snap Inc.
- Stack-Integrated Metasurface Devices and Sequential Damascene Manufacturing Processes23 Oct 2025US 2025/0328004 A1Lumotive, LLC
Most cited
By later US patents
- Transflective liquid crystal display214US 4,398,805 AGeneral Electric Company · 1983
- System and method for varying the reflectance or transmittance of light162US 7,411,637 B2ELOP Electro-Optics Industries Ltd. · 2008
- Adjustable transparency spectacles160US 5,067,795 AGianni Bulgari S.p.A. · 1991
- Liquid crystal variable color density lens and eye protective devices incorporating the same152US 5,172,256 A1992
- Laser illumination device137US 8,224,133 B2SBG Labs, Inc. · 2012