G02F 1/135
Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer
Official title: Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied {(G02F1/133348 takes precedence)}
G02F1/135 (Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer) appears on 680 US grants and 370 published applications in this corpus.
Search patents in G02F- Granted patents
- 680
- Published applications
- 370
- Assignees
- 221
- Inventors
- 1,199
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 15 | 0 |
| 1991 | 18 | 0 |
| 1992 | 29 | 0 |
| 1993 | 29 | 0 |
| 1994 | 26 | 0 |
| 1995 | 35 | 0 |
| 1996 | 37 | 0 |
| 1997 | 20 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 8 | 2 |
| 2002 | 13 | 8 |
| 2003 | 8 | 13 |
| 2004 | 11 | 16 |
| 2005 | 6 | 12 |
| 2006 | 14 | 5 |
| 2007 | 10 | 15 |
| 2008 | 7 | 14 |
| 2009 | 7 | 12 |
| 2010 | 7 | 17 |
| 2011 | 13 | 14 |
| 2012 | 15 | 7 |
| 2013 | 11 | 10 |
| 2014 | 12 | 5 |
| 2015 | 6 | 5 |
| 2016 | 7 | 12 |
| 2017 | 8 | 30 |
| 2018 | 6 | 22 |
| 2019 | 21 | 19 |
| 2020 | 27 | 31 |
| 2021 | 26 | 22 |
| 2022 | 23 | 12 |
| 2023 | 18 | 22 |
| 2024 | 24 | 19 |
| 2025 | 17 | 20 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image projection22 Sep 2026US 12,742,977 B2Dualitas Ltd
- Liquid crystal mixture for a spatial light modulator1 Sep 2026US 12,724,311 B1Dualitas Ltd
- Variable print chamber walls for powder bed fusion additive manufacturing11 Aug 2026US 12,703,145 B2Seurat Technologies, Inc.
- Electro-optic display stacks with segmented electrodes and methods of making the same21 Jul 2026US 12,687,757 B2E Ink Corporation
- Liquid crystal compositions and display panels using the same23 Jun 2026US 12,662,629 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Monolithic Semiconductor-Based Optically Addressable Light Valve30 Jul 2026US 2026/0219537 A1Seurat Technologies, Inc.
- Chamber Systems For Additive Manufacturing9 Jul 2026US 2026/0192513 A1Seurat Technologies, Inc.
- Light absorption filter, optical filter, manufacturing method for optical filter, organic electroluminescent display device, inorganic electroluminescent display device, and liquid crystal display device11 Jun 2026US 2026/0160929 A1FUJIFILM Corporation
- Enclosed Additive Manufacturing System14 May 2026US 2026/0131533 A1Seurat Technologies, Inc.
- Optically addressable light valves23 Apr 2026US 2026/0110931 A1Lawrence Livermore National Security, LLC
Most cited
By later US patents
- Electrophoretic particles, and processes for the production thereof510US 7,002,728 B2E Ink Corporation · 2006
- Electrophoretic displays and systems for addressing such displays470US 6,445,489 B1E Ink Corporation · 2002
- Displays combining active and non-active inks467US 6,459,418 B1E Ink Corporation · 2002
- Process for creating an encapsulated electrophoretic display465US 6,067,185 AE Ink Corporation · 2000
- Mirror with dazzle light attenuation zone463US 5,168,378 AReliant Laser Corporation · 1992