C09K 19/544
As dispersing or encapsulating medium around the liquid crystal
Official title: {as dispersing or encapsulating medium around the liquid crystal}
C09K19/544 (As dispersing or encapsulating medium around the liquid crystal) appears on 481 US grants and 288 published applications in this corpus.
Search patents in C09K- Granted patents
- 481
- Published applications
- 288
- Assignees
- 214
- Inventors
- 911
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 14 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 18 | 0 |
| 1993 | 20 | 0 |
| 1994 | 23 | 0 |
| 1995 | 27 | 0 |
| 1996 | 26 | 0 |
| 1997 | 24 | 0 |
| 1998 | 18 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 16 | 4 |
| 2002 | 8 | 12 |
| 2003 | 13 | 13 |
| 2004 | 15 | 9 |
| 2005 | 5 | 11 |
| 2006 | 8 | 13 |
| 2007 | 6 | 9 |
| 2008 | 10 | 13 |
| 2009 | 11 | 12 |
| 2010 | 12 | 16 |
| 2011 | 7 | 9 |
| 2012 | 10 | 5 |
| 2013 | 9 | 10 |
| 2014 | 6 | 3 |
| 2015 | 7 | 20 |
| 2016 | 8 | 12 |
| 2017 | 5 | 14 |
| 2018 | 11 | 9 |
| 2019 | 12 | 21 |
| 2020 | 10 | 11 |
| 2021 | 10 | 18 |
| 2022 | 10 | 7 |
| 2023 | 7 | 8 |
| 2024 | 6 | 12 |
| 2025 | 15 | 12 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Paraffinic compound addition to liquid crystals for reduced switching voltage on NCAP-based electro-optical modulator2 Jun 2026US 12,645,107 B2Orbotech Ltd.
- Liquid crystal polymer film, laminated body including the liquid crystal polymer film, and method of producing liquid crystal polymer film5 May 2026US 12,617,908 B2Murata Manufacturing Co., Ltd.
- Liquid crystal element and emulsion composition3 Feb 2026US 12,540,279 B2Mitsubishi Chemical Corporation
- Polymer dispersed liquid crystal and polymer dispersed liquid crystal display including the same18 Nov 2025US 12,474,605 B2Electronics and Telecommunications Research Institute
- System comprising a nematic liquid crystal and an interface4 Nov 2025US 12,460,135 B2The University Court of the University of Edinburgh
- Liquid crystal composition, light absorption anisotropic film, laminate, and image display device24 Sep 2026US 2026/0286224 A1FUJIFILM Corporation
- Light control sheet and vehicle window27 Aug 2026US 2026/0250576 A1Toppan Holdings Inc.
- Liquid crystal composition, light absorption anisotropic film, laminate, image display device, and polymer2 Jul 2026US 2026/0184994 A1FUJIFILM Corporation
- Liquid Crystal Film With Intelligent Information Encryption Function, And Preparation Method And Application Thereof19 Mar 2026US 2026/0077612 A1Peking University
- UV Stable and Low-Voltage Liquid Crystal Microdroplet Display26 Feb 2026US 2026/0055319 A1
Most cited
By later US patents
- Light modulating material comprising a liquid crystal dispersion in a plastic matrix449US 4,688,900 AKent State University · 1987
- Encapsulated liquid crystal and method389US 4,435,047 AManchester R & D Partnership · 1984
- Liquid crystalline-plastic material having submillisecond switch times and extended memory276US 4,671,618 A1987
- Liquid crystalline light modulating device and material273US 5,437,811 AKent State University · 1995
- Switchable volume hologram materials and devices234US 5,942,157 AScience Applications International Corporation · 1999