G02F 1/133742
For homeotropic alignment
Official title: {for homeotropic alignment}
G02F1/133742 (For homeotropic alignment) appears on 869 US grants and 1,020 published applications in this corpus.
Search patents in G02F- Granted patents
- 869
- Published applications
- 1,020
- Assignees
- 230
- Inventors
- 1,661
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 18 | 6 |
| 2002 | 11 | 20 |
| 2003 | 18 | 11 |
| 2004 | 17 | 18 |
| 2005 | 13 | 37 |
| 2006 | 17 | 25 |
| 2007 | 12 | 31 |
| 2008 | 16 | 26 |
| 2009 | 13 | 41 |
| 2010 | 33 | 31 |
| 2011 | 35 | 33 |
| 2012 | 34 | 62 |
| 2013 | 26 | 47 |
| 2014 | 31 | 50 |
| 2015 | 47 | 59 |
| 2016 | 45 | 87 |
| 2017 | 62 | 92 |
| 2018 | 76 | 62 |
| 2019 | 58 | 77 |
| 2020 | 55 | 51 |
| 2021 | 56 | 46 |
| 2022 | 41 | 30 |
| 2023 | 33 | 30 |
| 2024 | 29 | 25 |
| 2025 | 15 | 12 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display device15 Sep 2026US 12,736,839 B2LG Display Co., Ltd.
- Marks for angular optical filters9 Jun 2026US 12,650,627 B2RealD Spark, LLC
- Light modulating device26 May 2026US 12,638,724 B2LG Chem.Ltd.
- Liquid crystal medium21 Apr 2026US 12,606,745 B2Merck Patent GmbH
- Liquid-crystalline medium24 Mar 2026US 12,585,160 B2Merck Patent GmbH
- Marks for angular optical filters1 Oct 2026US 2026/0299360 A1RealD Spark, LLC
- Liquid crystal display device13 Aug 2026US 2026/0235910 A1Sharp Display Technology Corporation
- Transmittance-variable optical laminate and manufacturing method therefor, and smart window comprising same30 Jul 2026US 2026/0219535 A1Dongwoo Fine-Chem Co., Ltd.
- Liquid crystal device and electronic instrument30 Jul 2026US 2026/0219540 A1Seiko Epson Corporation
- Liquid crystals switchable stack, liquid crystals mixture, and system with liquid crystals switchable stack30 Jul 2026US 2026/0219542 A1
Most cited
By later US patents
- Chiral smectic liquid crystal optical modulators having variable retardation259US 5,381,253 ABoard of Regents of the University of Colorado · 1995
- Liquid crystal cell using the electrically controlled birefringence effect and a uniaxial medium of negative optical anisotropy usable therein248US 4,889,412 ACommissariat A L' Energie Atomique · 1989
- LCD columnar spacers made of a hydrophilic resin and LCD orientation film having a certain surface tension or alignment capability242US 5,680,189 ASemiconductor Energy Laboratory Co.Ltd. · 1997
- Method of making LCD in which resin columns are cured and the liquid crystal is reoriented211US 5,539,545 ASemiconductor Energy Laboratory Co.Ltd. · 1996
- Liquid crystal variable color density lens and eye protective devices incorporating the same152US 5,172,256 A1992