G02F 2413/12
Biaxial compensators
G02F2413/12 (Biaxial compensators) appears on 147 US grants and 190 published applications in this corpus.
Search patents in G02F- Granted patents
- 147
- Published applications
- 190
- Assignees
- 68
- Inventors
- 385
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 3 |
| 2005 | 2 | 6 |
| 2006 | 1 | 3 |
| 2007 | 1 | 5 |
| 2008 | 6 | 10 |
| 2009 | 3 | 27 |
| 2010 | 7 | 19 |
| 2011 | 16 | 14 |
| 2012 | 19 | 15 |
| 2013 | 5 | 7 |
| 2014 | 7 | 17 |
| 2015 | 12 | 9 |
| 2016 | 8 | 9 |
| 2017 | 10 | 6 |
| 2018 | 4 | 4 |
| 2019 | 4 | 5 |
| 2020 | 4 | 10 |
| 2021 | 2 | 4 |
| 2022 | 3 | 2 |
| 2023 | 4 | 5 |
| 2024 | 2 | 6 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical biaxially stretched plastic film, polarizing plate, image display device, and method of selecting optical biaxially stretched plastic film18 Aug 2026US 12,710,577 B2Dai Nippon Printing Co.Ltd.
- Retardation film and applications thereof11 Nov 2025US 12,466,914 B2Osaka Gas Chemicals Co., Ltd.
- Electronic mirror device13 May 2025US 12,298,625 B2Panasonic Automotive Systems Co., Ltd.
- Privacy filter, display panel, and display device21 Jan 2025US 12,204,186 B2Wuhan China Star Optoelectronics Technology Co., Ltd.
- Phase difference compensation element, liquid crystal display element, and liquid crystal projector2 Apr 2024US 11,947,221 B2FUJIFILM Corporation
- Directional display apparatus5 Feb 2026US 2026/0036837 A1RealD Spark, LLC
- Display device11 Jul 2024US 2024/0231155 A9Tcl China Star Optoelectronics Technology Co., Ltd.
- Display device11 Jul 2024US 2024/0231156 A9Tcl China Star Optoelectronics Technology Co., Ltd.
- Display device25 Apr 2024US 2024/0134229 A1Tcl China Star Optoelectronics Technology Co., Ltd.
- Display device25 Apr 2024US 2024/0134230 A1Tcl China Star Optoelectronics Technology Co., Ltd.
Most cited
By later US patents
- Liquid crystal cell which can have a homeotropic structure with compensated birefringence of said structure163US 4,701,028 ACommissariat A L' Energie Atomique · 1987
- Color liquid crystal display56US 6,169,589 ACitizen Watch Co., Ltd. · 2001
- Liquid crystal display device with improved viewing angle dependence of color43US 5,380,459 ARicoh Company, Ltd. · 1995
- LCD with a pair of retardation films on one side of normally white liquid crystal layer33US 5,594,568 AOIS Optical Imaging Systems, Inc. · 1997
- Normally white twisted nematic LCD with positive uniaxial and nebative biaxial retarders having n.sub.x >n.sub.y >n.sub.z32US 5,859,681 AOIS Optical Imaging Systems, Inc. · 1999