G02B 30/31
Involving active parallax barriers
Official title: involving active parallax barriers (involving directional light or back-light sources G02B30/33)
G02B30/31 (Involving active parallax barriers) appears on 454 US grants and 594 published applications in this corpus.
Search patents in G02B- Granted patents
- 454
- Published applications
- 594
- Assignees
- 161
- Inventors
- 958
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 10 |
| 2007 | 0 | 11 |
| 2008 | 4 | 20 |
| 2009 | 9 | 6 |
| 2010 | 8 | 13 |
| 2011 | 11 | 22 |
| 2012 | 15 | 60 |
| 2013 | 18 | 89 |
| 2014 | 28 | 58 |
| 2015 | 53 | 35 |
| 2016 | 53 | 61 |
| 2017 | 48 | 28 |
| 2018 | 28 | 20 |
| 2019 | 32 | 23 |
| 2020 | 29 | 21 |
| 2021 | 15 | 35 |
| 2022 | 22 | 23 |
| 2023 | 17 | 21 |
| 2024 | 23 | 16 |
| 2025 | 12 | 10 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grating regulating device and 3D displaying device19 May 2026US 12,631,872 B2Boe Technology Group Co., Ltd.
- Liquid crystal display device and display device19 May 2026US 12,631,896 B2Magnolia White Corporation
- Stereoscopic display system and liquid crystal shutter device31 Mar 2026US 12,593,022 B2Sharp Display Technology Corporation
- Driving method for liquid crystal grating, and display apparatus and display method for display apparatus2 Dec 2025US 12,487,472 B2Beijing BOE Technology Development Co., Ltd.
- Augmenting reality with multiscopic see-through display18 Nov 2025US 12,477,095 B2Distance Technologies Oy
- Display device17 Sep 2026US 2026/0277016 A1Beijing Shiyan Technology Co., Ltd.
- Liquid crystal display device and display device27 Aug 2026US 2026/0251909 A1Magnolia White Corporation
- Optical method and system for light field displays based on mosaic periodic layer30 Apr 2026US 2026/0118691 A1InterDigital Madison Patent Holdings, SAS
- Head-up display16 Apr 2026US 2026/0104587 A1Japan Display Inc.
- Volumetric display and head-mounted display having the same4 Dec 2025US 2025/0370274 A1Center for Advanced Meta-Materials
Most cited
By later US patents
- Spatial light modulator, directional display and directional light source148US 5,969,850 ASharp Kabushiki Kaisha · 1999
- 2D/3D imaging display143US 6,157,424 ADimension Technologies, Inc. · 2000
- Three dimensional display device and method of controlling parallax barrier139US 8,817,369 B2Samsung Display Co., Ltd. · 2014
- Three-dimensional display unit with a variable lens121US 5,493,427 ASharp Kabushiki Kaisha · 1996
- Stereoscopic image display method and stereoscopic image display apparatus using the same103US 5,875,055 ACanon Kabushiki Kaisha · 1999