G02F 1/1347
Arrangement of liquid crystal layers or cells in which the final condition
Official title: Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
G02F1/1347 (Arrangement of liquid crystal layers or cells in which the final condition) appears on 2,470 US grants and 2,580 published applications in this corpus.
Search patents in G02F- Granted patents
- 2,470
- Published applications
- 2,580
- Assignees
- 651
- Inventors
- 4,512
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 15 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 13 | 0 |
| 1990 | 16 | 0 |
| 1991 | 13 | 0 |
| 1992 | 33 | 0 |
| 1993 | 32 | 0 |
| 1994 | 32 | 0 |
| 1995 | 27 | 0 |
| 1996 | 30 | 0 |
| 1997 | 28 | 0 |
| 1998 | 42 | 0 |
| 1999 | 25 | 0 |
| 2000 | 43 | 0 |
| 2001 | 31 | 21 |
| 2002 | 33 | 53 |
| 2003 | 57 | 45 |
| 2004 | 45 | 45 |
| 2005 | 37 | 54 |
| 2006 | 43 | 52 |
| 2007 | 28 | 80 |
| 2008 | 40 | 86 |
| 2009 | 50 | 89 |
| 2010 | 62 | 76 |
| 2011 | 56 | 64 |
| 2012 | 72 | 103 |
| 2013 | 49 | 100 |
| 2014 | 68 | 91 |
| 2015 | 91 | 99 |
| 2016 | 68 | 80 |
| 2017 | 78 | 96 |
| 2018 | 75 | 157 |
| 2019 | 117 | 161 |
| 2020 | 155 | 153 |
| 2021 | 140 | 174 |
| 2022 | 152 | 171 |
| 2023 | 163 | 155 |
| 2024 | 156 | 181 |
| 2025 | 137 | 128 |
| 2026 | 48 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Backlight with optical film, illumination device therewith, and display screen6 Oct 2026US 12,754,447 B2siOPTICA GmbH
- Lighting device15 Sep 2026US 12,736,202 B2Japan Display Inc.
- Display device15 Sep 2026US 12,736,839 B2LG Display Co., Ltd.
- Graduated electro-optic device and method15 Sep 2026US 12,736,845 B2Alphamicron Incorporated
- Optical element and lighting device1 Sep 2026US 12,723,739 B2Japan Display Inc.
- Visualization system for spatial visualization1 Oct 2026US 2026/0298967 A1Prime Planet Energy & Solutions, Inc.
- Anti-peeping film and display device1 Oct 2026US 2026/0299337 A1Wuhan China Star Optoelectronics Technology Co., Ltd.
- Auto-darkening filter (adf) and control method thereof1 Oct 2026US 2026/0299339 A1Tecmen Electronics Co., Ltd.
- Display device1 Oct 2026US 2026/0299351 A1Japan Display Inc.
- Marks for angular optical filters1 Oct 2026US 2026/0299360 A1RealD Spark, LLC
Most cited
By later US patents
- Multi-layered displays providing different focal lengths with optically shiftable viewing formats and terminals incorporating the same563US 7,205,959 B2Sony Ericsson Mobile Communications AB · 2007
- Single crystal silicon arrayed devices for display panels540US 5,317,236 AKopin Corporation · 1994
- Electrophoretic displays using nanoparticles466US 6,538,801 B2E Ink Corporation · 2003
- Optical panel capable of switching between reflective and transmissive states454US 5,686,979 AMinnesota Mining and Manufacturing Company · 1997
- Apparatus and method for an electronically controlled color filter for use in information display applications363US 5,032,007 AHoneywell Inc. · 1991