G02B 30/33
Involving directional light or back-light sources
Official title: involving directional light or back-light sources
G02B30/33 (Involving directional light or back-light sources) appears on 395 US grants and 469 published applications in this corpus.
Search patents in G02B- Granted patents
- 395
- Published applications
- 469
- Assignees
- 160
- Inventors
- 692
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 5 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 7 |
| 2009 | 1 | 7 |
| 2010 | 4 | 2 |
| 2011 | 5 | 13 |
| 2012 | 5 | 19 |
| 2013 | 5 | 20 |
| 2014 | 7 | 23 |
| 2015 | 14 | 16 |
| 2016 | 27 | 27 |
| 2017 | 22 | 33 |
| 2018 | 16 | 31 |
| 2019 | 29 | 34 |
| 2020 | 45 | 43 |
| 2021 | 33 | 44 |
| 2022 | 39 | 62 |
| 2023 | 29 | 24 |
| 2024 | 38 | 28 |
| 2025 | 33 | 24 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light-field projector having a small form factor25 Aug 2026US 12,717,158 B2Creal SA
- Stereoscopic projection and eye-box steering system for head-up display18 Aug 2026US 12,710,653 B2Infineon Technologies AG
- Display device30 Jun 2026US 12,669,717 B2Magnolia White Corporation
- Directional visual and audio communication9 Jun 2026US 12,650,610 B2GM Global Technology Operations LLC
- Naked-eye three-dimensional display device19 May 2026US 12,631,897 B2Soochow University
- Liquid crystal display apparatus16 Jul 2026US 2026/0202707 A1LG Display Co., Ltd.
- Display device2 Jul 2026US 2026/0186319 A1Industrial Technology Research Institute
- Pseudo-holographic display using collimated backlight and dynamic beam steering14 May 2026US 2026/0133536 A1Distance Technologies Oy
- Light field image engine as a method and apparatus for generating projected 3d light fields30 Apr 2026US 2026/0118692 A1InterDigital Madison Patent Holdings, SAS
- Display grating, 3d display device, and 3d display method26 Feb 2026US 2026/0056420 A1Guangdong Future Technology Co., Ltd.
Most cited
By later US patents
- Directional pixel for use in a display screen200US 9,389,415 B2Leia Inc. · 2016
- Directional backlight with a modulation layer199US 9,201,270 B2Leia Inc. · 2015
- Multibeam diffraction grating-based backlighting195US 9,128,226 B2Leia Inc. · 2015
- Display for 3D images180US 6,014,164 ASharp Kabushiki Kaisha · 2000
- Method of and apparatus for detecting a human face and observer tracking display179US 6,633,655 B1Sharp Kabushiki Kaisha · 2003