G02B 5/3083
Birefringent or phase retarding elements
Official title: {Birefringent or phase retarding elements (G02B5/3008, G02B5/3016 take precedence; systems for polarisation control G02B27/286; manufacturing phase modulating patterns by lithographic processes G03F7/001)}
G02B5/3083 (Birefringent or phase retarding elements) appears on 3,412 US grants and 4,338 published applications in this corpus.
Search patents in G02B- Granted patents
- 3,412
- Published applications
- 4,338
- Assignees
- 961
- Inventors
- 6,056
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 16 | 0 |
| 1996 | 16 | 0 |
| 1997 | 22 | 0 |
| 1998 | 31 | 0 |
| 1999 | 36 | 0 |
| 2000 | 33 | 0 |
| 2001 | 33 | 15 |
| 2002 | 39 | 65 |
| 2003 | 54 | 61 |
| 2004 | 51 | 98 |
| 2005 | 49 | 111 |
| 2006 | 75 | 176 |
| 2007 | 66 | 146 |
| 2008 | 57 | 121 |
| 2009 | 67 | 176 |
| 2010 | 101 | 164 |
| 2011 | 107 | 140 |
| 2012 | 116 | 138 |
| 2013 | 100 | 152 |
| 2014 | 116 | 186 |
| 2015 | 143 | 261 |
| 2016 | 174 | 302 |
| 2017 | 219 | 255 |
| 2018 | 220 | 220 |
| 2019 | 218 | 229 |
| 2020 | 218 | 226 |
| 2021 | 168 | 236 |
| 2022 | 188 | 239 |
| 2023 | 161 | 218 |
| 2024 | 180 | 163 |
| 2025 | 176 | 132 |
| 2026 | 91 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical compensation films based on combinations of negative birefrigent and positive birefrigent components6 Oct 2026US 12,754,358 B2Akron Polymer Systems, Inc.
- High-contrast pancake lens with pass-polarization absorber6 Oct 2026US 12,754,423 B2Meta Platforms Technologies, LLC
- Visual optical system15 Sep 2026US 12,736,731 B2Zhejiang Sunny Optics Co., Ltd.
- Imaging module, assembling method therefor, and head mount display1 Sep 2026US 12,724,189 B2Goertek Optical Technology Co., Ltd.
- Polarizing plate, and optical display device including same1 Sep 2026US 12,727,370 B2Wuxi Hengxin Optoelectronic Materials Co., Ltd.
- Polarizing plate and optical display apparatus8 Oct 2026US 2026/0309905 A1Wuxi Hengxin Optoelectronic Materials Co., Ltd.
- High-Contrast Privacy Display in an Instrument Panel of a Vehicle8 Oct 2026US 2026/0309980 A1Bayerische Motoren Werke Aktiengesellschaft
- Display device with an image-forming unit with a folding mirror1 Oct 2026US 2026/0299293 A1Continental Automotive Technologies GmbH
- Optical System24 Sep 2026US 2026/0287869 A13M Innovative Properties Company
- Protective element of a unit for transmitting control information of a vehicle24 Sep 2026US 2026/0287891 A1Eyelights
Most cited
By later US patents
- Optical film968US 5,882,774 AMinnesota Mining and Manufacturing Company · 1999
- Diffusely reflecting polarizing element including a first birefringent phase and a second phase389US 5,825,543 AMinnesota Mining and Manufacturing Company · 1998
- Brightness enhancement film338US 6,111,696 A3M Innovative Properties Company · 2000
- High efficiency polarized display298US 5,751,388 AHoneywell Inc. · 1998
- Process for forming reflective polarizer297US 5,965,247 A3M Innovative Properties Company · 1999