C09K 2323/02
Alignment layer characterised by chemical composition
C09K2323/02 (Alignment layer characterised by chemical composition) appears on 1,295 US grants and 1,159 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,295
- Published applications
- 1,159
- Assignees
- 376
- Inventors
- 2,276
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 18 | 0 |
| 1994 | 15 | 0 |
| 1995 | 24 | 0 |
| 1996 | 23 | 0 |
| 1997 | 41 | 0 |
| 1998 | 34 | 0 |
| 1999 | 22 | 0 |
| 2000 | 23 | 0 |
| 2001 | 28 | 8 |
| 2002 | 26 | 46 |
| 2003 | 40 | 51 |
| 2004 | 50 | 60 |
| 2005 | 24 | 57 |
| 2006 | 43 | 94 |
| 2007 | 44 | 78 |
| 2008 | 45 | 59 |
| 2009 | 77 | 49 |
| 2010 | 61 | 74 |
| 2011 | 49 | 55 |
| 2012 | 39 | 49 |
| 2013 | 70 | 45 |
| 2014 | 48 | 61 |
| 2015 | 50 | 54 |
| 2016 | 40 | 50 |
| 2017 | 45 | 51 |
| 2018 | 48 | 39 |
| 2019 | 35 | 58 |
| 2020 | 48 | 52 |
| 2021 | 46 | 39 |
| 2022 | 38 | 9 |
| 2023 | 16 | 9 |
| 2024 | 10 | 7 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical laminate, polarizing plate, and image device display15 Sep 2026US 12,736,729 B2FUJIFILM Corporation
- Polyimide-based polymer film, substrate for display device, and optical device using the same17 Feb 2026US 12,552,900 B2LG Chem.Ltd.
- Method of manufacturing liquid crystal layer18 Nov 2025US 12,473,495 B2FUJIFILM Corporation
- Display device and manufacturing method thereof23 Sep 2025US 12,422,714 B2Japan Display Inc.
- Liquid-crystal display26 Aug 2025US 12,398,325 B2Merck Patent GmbH
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
- Display panel, alignment film composition and display device18 Dec 2025US 2025/0382418 A1Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.
- Optical laminate, polarizing plate, and image display device2 Oct 2025US 2025/0306256 A1FUJIFILM Corporation
- Liquid crystal aligning agent, liquid crystal alignment film and liquid crystal display element14 Aug 2025US 2025/0257265 A1Nissan Chemical Corporation
- Liquid crystal alignment agent, liquid crystal alignment film, and liquid crystal display element8 May 2025US 2025/0145888 A1Nissan Chemical Corporation
Most cited
By later US patents
- Display apparatus, backplane and mold for making backplane bracket253US 10,531,579 B2Shenzhen China Star Optoelectronics Technology Co., Ltd. · 2020
- Phase difference film, phase difference film composite and liquid crystal display device using the same163US 6,638,582 B1Teijin Limited · 2003
- Alignment of ferroelectric LCDs110US 4,561,726 AAT&T Bell Laboratories · 1985
- Glasses for flat panel displays105US 6,319,867 B1Corning Incorporated · 2001
- Negative birefringent polyimide films102US 5,344,916 AThe University of Akron · 1994