H01S 3/1686
Liquid crystal active layer
Official title: {Liquid crystal active layer}
H01S3/1686 (Liquid crystal active layer) appears on 23 US grants and 23 published applications in this corpus.
Search patents in H01S- Granted patents
- 23
- Published applications
- 23
- Assignees
- 20
- Inventors
- 63
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 3 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for alignment of a laser beam emitted from an optical communication transmitter with a receiving station1 Jul 2025US 12,347,996 B2Embedded Instruments & Systems, S.L.
- Laser oscillation element22 Apr 2025US 12,283,788 B2FUJIFILM Corporation
- Electrically tunable laser with cholesteric liquid crystal heliconical structure13 Sep 2022US 11,444,427 B2Kent State University
- Display devices using feedback enhanced light emitting diode29 May 2018US 9,985,249 B2
- Display devices using feedback enhanced light emitting diode12 Sep 2017US 9,761,839 B2Zeolux Corporation
- Method for alignment of a laser beam emitted from an optical communication transmitter with a receiving station13 Jul 2023US 2023/0223733 A1Embedded Instruments & Systems, S.L.
- Laser oscillation element12 May 2022US 2022/0145183 A1FUJIFILM Corporation
- Random Lasing Photo-Curable Composition for Use as Random Lasing Gain Medium7 Mar 2019US 2019/0074657 A1Centre National De La Recherche Scientifique
- Electrically tunable laser with cholesteric liquid crystal heliconical structure8 Nov 2018US 2018/0323570 A1Kent State University
- Laser oscillation device11 Oct 2018US 2018/0292684 A1Inductry-Academic Cooperation Foundation Gyeongsang National University
Most cited
By later US patents
- Chiral twist laser and filter apparatus and method37US 6,396,859 B1Chiral Photonics, Inc. · 2002
- Chiral laser apparatus and method37US 6,404,789 B1Chiral Photonics, Inc. · 2002
- Apparatus and method for mode selection in a photonic band edge laser34US 6,411,635 B1Chiral Photonics, Inc. · 2002
- Chiral laser utilizing a quarter wave plate32US 6,678,297 B2Chiral Photonics, Inc. · 2004
- Thin-film large-area coherent light source, filter and amplifier apparatus and method28US 7,242,702 B2Chiral Photonics, Inc. · 2007