G02F 1/1416
Details of the smectic layer structure
Official title: {Details of the smectic layer structure, e.g. bookshelf, chevron, C1 and C2}
G02F1/1416 (Details of the smectic layer structure) appears on 91 US grants and 24 published applications in this corpus.
Search patents in G02F- Granted patents
- 91
- Published applications
- 24
- Assignees
- 40
- Inventors
- 182
- Latest grant
- 25 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 4 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 3 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High-contrast ferroelectric liquid crystal cell25 Jun 2024US 12,019,345 B2The Hong Kong University of Science and Technology
- Liquid-crystal optical modulation element26 Sep 2017US 9,771,517 B2DIC Corporation
- Video projector employing ferroelectric liquid crystal display18 Jul 2017US 9,709,877 B2Igor Nikolaevich Kompanets
- Liquid crystal devices for information display and photonics applications17 Nov 2015US 9,187,500 B2The Regents of the University of Colorado, a body corporate
- Liquid crystal display cell with fast response and continuous gray scale17 Jun 2014US 8,755,022 B2The Hong Kong University of Science and Technology
- High-contrast ferroelectric liquid crystal cell3 Aug 2023US 2023/0244102 A1The Hong Kong University of Science and Technology
- Liquid-crystal optical modulation element21 Jan 2016US 2016/0017226 A1DIC Corporation
- Ferroelectric liquid crystal display cell20 Aug 2015US 2015/0234247 A1
- Video projector23 Apr 2015US 2015/0109537 A1Igor Nikolaevich Kompanets
- Ferroelectric liquid crystal composition and ferroelectric liquid crystal display device6 Nov 2014US 2014/0327862 A1DIC Corporation
Most cited
By later US patents
- Liquid-crystal electro-optical apparatus and method of manufacturing the same383US 5,594,569 ASemiconductor Energy Laboratory Co.Ltd. · 1997
- Ferroelectric smectic liquid crystal device having a bistable alignment state providing two stable orientation states58US 4,932,758 ACanon Kabushiki Kaisha · 1990
- Ferroelectric liquid crystal display device having monostabilized state as an initial state and continuous gray-scale46US 5,214,523 ASony Corporation · 1993
- Ferroelectric liquid crystal element having uniform high temperature alignment42US 5,189,536 ACanon Kabushiki Kaisha · 1993
- Method of aligning liquid crystals by applying an alternating electric field under periodically changing temperature39US 5,742,369 ACanon Kabushiki Kaisha · 1998