G02F 1/133528
Polarisers
Official title: {Polarisers}
G02F1/133528 (Polarisers) appears on 6,497 US grants and 7,894 published applications in this corpus.
Search patents in G02F- Granted patents
- 6,497
- Published applications
- 7,894
- Assignees
- 1,072
- Inventors
- 10,230
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 11 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 17 | 0 |
| 1993 | 18 | 0 |
| 1994 | 19 | 0 |
| 1995 | 18 | 0 |
| 1996 | 30 | 0 |
| 1997 | 31 | 0 |
| 1998 | 63 | 0 |
| 1999 | 39 | 0 |
| 2000 | 69 | 0 |
| 2001 | 69 | 30 |
| 2002 | 66 | 108 |
| 2003 | 109 | 130 |
| 2004 | 98 | 149 |
| 2005 | 102 | 141 |
| 2006 | 108 | 185 |
| 2007 | 72 | 224 |
| 2008 | 96 | 200 |
| 2009 | 97 | 216 |
| 2010 | 116 | 221 |
| 2011 | 134 | 186 |
| 2012 | 158 | 202 |
| 2013 | 138 | 219 |
| 2014 | 170 | 297 |
| 2015 | 224 | 402 |
| 2016 | 290 | 567 |
| 2017 | 374 | 573 |
| 2018 | 462 | 643 |
| 2019 | 558 | 636 |
| 2020 | 540 | 554 |
| 2021 | 521 | 602 |
| 2022 | 466 | 362 |
| 2023 | 387 | 363 |
| 2024 | 369 | 318 |
| 2025 | 232 | 215 |
| 2026 | 122 | 151 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02F 1/133536Reflective polarizers1,156
- G02F 1/133531Characterised by the arrangement of polariser or analyser axes896
- G02F 1/133548Wire-grid polarisers551
- G02F 1/133541Circular polarisers400
- G02F 1/133543Cholesteric polarisers288
- G02F 1/133533Colour selective polarisers246
- G02F 1/133538With spatial distribution of the polarisation direction209
- G02F 1/13355Polarising beam splitters [pbs]202
All 9 subgroupsShow fewer
Recent patents
- Reflective optical stack for privacy display6 Oct 2026US 12,754,445 B2RealD Spark, LLC
- Backlight with optical film, illumination device therewith, and display screen6 Oct 2026US 12,754,447 B2siOPTICA GmbH
- Projection arrangement comprising a composite pane and p-polarized radiation29 Sep 2026US 12,746,740 B2Saint-Gobain Sekurit France
- Ambient light management systems and methods for wearable devices29 Sep 2026US 12,748,310 B2Magic Leap, Inc.
- Display device including wire grid polarization layer22 Sep 2026US 12,742,986 B2Samsung Display Co., Ltd.
- Optical laminate and display apparatus8 Oct 2026US 2026/0307377 A1Nitto Denko Corporation
- Anti-peeping film and display device1 Oct 2026US 2026/0299337 A1Wuhan China Star Optoelectronics Technology Co., Ltd.
- Display device1 Oct 2026US 2026/0299351 A1Japan Display Inc.
- Display device1 Oct 2026US 2026/0299352 A1Shanghai Tianma Micro-Electronics Co., Ltd.
- Marks for angular optical filters1 Oct 2026US 2026/0299360 A1RealD Spark, LLC
Most cited
By later US patents
- Display apparatus1,024US 8,811,017 B2Sony Corporation · 2014
- Optical film968US 5,882,774 AMinnesota Mining and Manufacturing Company · 1999
- Optical panel capable of switching between reflective and transmissive states454US 5,686,979 AMinnesota Mining and Manufacturing Company · 1997
- Diffusely reflecting polarizing element including a first birefringent phase and a second phase389US 5,825,543 AMinnesota Mining and Manufacturing Company · 1998
- Birefringent interference polarizer345US 5,486,949 AThe Dow Chemical Company · 1996