C09K 19/0216
Super birefringence effect
Official title: {Super Birefringence Effect (S.B.E.); Electrically Controlled Birefringence (E.C.B.)}
C09K19/0216 (Super birefringence effect) appears on 63 US grants and 79 published applications in this corpus.
Search patents in C09K- Granted patents
- 63
- Published applications
- 79
- Assignees
- 14
- Inventors
- 116
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 16 |
| 2016 | 8 | 20 |
| 2017 | 8 | 18 |
| 2018 | 11 | 7 |
| 2019 | 12 | 3 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing liquid crystal display device30 Aug 2022US 11,428,993 B2DIC Corporation
- Polymerizable compound-containing liquid crystal composition and liquid crystal display device using the same2 Mar 2021US 10,934,488 B2DIC Corporation
- Compounds and liquid-crystalline medium9 Feb 2021US 10,913,897 B2Merck Patent GmbH
- Compounds and liquid-crystalline medium2 Feb 2021US 10,907,100 B2Merck Patent GmbH
- Liquid crystal cell and liquid crystal display2 Feb 2021US 10,907,101 B2Sharp Kabushiki Kaisha
- Liquid crystal composition and element4 Sep 2025US 2025/0277150 A1Jnc Corporation
- Method for manufacturing liquid crystal display device22 Jul 2021US 2021/0223635 A1DIC Corporation
- Alignment aid, liquid crystal composition, and liquid crystal display device10 Jun 2021US 2021/0171831 A1DIC Corporation
- Optically isotropic liquid crystal composition and optical switching device using same24 Sep 2020US 2020/0299581 A1Jnc Corporation
- Liquid crystal display element and liquid crystal composition23 Jul 2020US 2020/0231873 A1Jnc Corporation
Most cited
By later US patents
- Matrix liquid-crystal display37US 5,384,065 AMerck Patent GmbH · 1995
- Compensating film for a liquid crystal display and an OCB mode liquid crystal display incorporating the compensating film37US 5,883,685 ANippon Oil Co., Ltd. · 1999
- Electro-optical liquid crystal display28US 5,965,060 AMerck Patent GmbH · 1999
- Compensating film for a liquid crystal display and an OCB mode liquid crystal display incorporating the compensating film20US 6,124,913 ANippon Oil Co., Ltd. · 2000
- Liquid-crystal medium, and electro-optical display containing same20US 6,969,542 B2Merck Patent GmbH · 2005