G02F 1/133545
Dielectric stack polarisers
Official title: {Dielectric stack polarisers}
G02F1/133545 (Dielectric stack polarisers) appears on 183 US grants and 153 published applications in this corpus.
Search patents in G02F- Granted patents
- 183
- Published applications
- 153
- Assignees
- 81
- Inventors
- 353
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 12 | 4 |
| 2002 | 10 | 9 |
| 2003 | 13 | 11 |
| 2004 | 8 | 4 |
| 2005 | 9 | 9 |
| 2006 | 8 | 5 |
| 2007 | 2 | 11 |
| 2008 | 5 | 8 |
| 2009 | 4 | 12 |
| 2010 | 8 | 9 |
| 2011 | 8 | 5 |
| 2012 | 8 | 3 |
| 2013 | 1 | 2 |
| 2014 | 6 | 3 |
| 2015 | 2 | 6 |
| 2016 | 3 | 7 |
| 2017 | 6 | 3 |
| 2018 | 5 | 9 |
| 2019 | 7 | 6 |
| 2020 | 2 | 8 |
| 2021 | 8 | 8 |
| 2022 | 8 | 4 |
| 2023 | 5 | 4 |
| 2024 | 3 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polarizer film20 May 2025US 12,306,425 B23M Innovative Properties Company
- Display panel and display apparatus18 Mar 2025US 12,253,753 B2Beijing Boe Optoelectronics Technology Co., Ltd.
- Light adjustment device24 Sep 2024US 12,099,279 B2Japan Display Inc.
- Optical film stack including retardation layer20 Feb 2024US 11,906,840 B23M Innovative Properties Company
- Color filter substrate, array substrate, and display panel30 Jan 2024US 11,886,072 B2Wuhan China Star Optoelectronics Technology Co., Ltd.
- Liquid-crystal display13 Aug 2026US 2026/0235905 A1BenQ Materials Corporation
- Polarizer film11 Jun 2026US 2026/0160932 A13M Innovative Properties Company
- Display panel and display apparatus20 Jun 2024US 2024/0201535 A1Beijing Boe Optoelectronics Technology Co., Ltd.
- Tunable reflective polarizer7 Dec 2023US 2023/0393317 A1Meta Platforms Technologies, LLC
- Light adjustment device30 Nov 2023US 2023/0384640 A1Japan Display Inc.
Most cited
By later US patents
- 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
- Brightness enhancement film338US 6,111,696 A3M Innovative Properties Company · 2000