G02F 1/133616
Front illuminating devices
Official title: {Front illuminating devices}
G02F1/133616 (Front illuminating devices) appears on 585 US grants and 653 published applications in this corpus.
Search patents in G02F- Granted patents
- 585
- Published applications
- 653
- Assignees
- 224
- Inventors
- 1,201
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 21 |
| 2002 | 16 | 35 |
| 2003 | 23 | 32 |
| 2004 | 31 | 40 |
| 2005 | 22 | 31 |
| 2006 | 29 | 20 |
| 2007 | 14 | 8 |
| 2008 | 14 | 19 |
| 2009 | 11 | 22 |
| 2010 | 7 | 14 |
| 2011 | 16 | 16 |
| 2012 | 8 | 11 |
| 2013 | 17 | 14 |
| 2014 | 9 | 19 |
| 2015 | 18 | 22 |
| 2016 | 9 | 24 |
| 2017 | 20 | 25 |
| 2018 | 20 | 18 |
| 2019 | 25 | 35 |
| 2020 | 26 | 23 |
| 2021 | 21 | 34 |
| 2022 | 37 | 47 |
| 2023 | 46 | 33 |
| 2024 | 38 | 39 |
| 2025 | 34 | 40 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light source module and electrophoretic display device29 Sep 2026US 12,748,333 B2E Ink Holdings Inc.
- Electronic device including plurality of dots11 Aug 2026US 12,704,669 B2Innolux Corporation
- Reflective display device26 May 2026US 12,638,721 B1Hannstar Display Corp.
- Front light module and display device31 Mar 2026US 12,591,089 B2TPL Advanced Solutions Inc.
- Manufacturing a lightguide with cut lateral edges10 Mar 2026US 12,571,956 B2Azumo, Inc.
- Front-mounted light source and display device3 Sep 2026US 2026/0259454 A1Boe Technology Group Co., Ltd.
- Fabrication method of display device13 Aug 2026US 2026/0236121 A1E Ink Holdings Inc.
- Lighting device and display device30 Jul 2026US 2026/0219531 A1Sharp Kabushiki Kaisha
- Display device16 Jul 2026US 2026/0202709 A1TPK Advanced Solutions Inc.
- Electronic devices with a front light panel layer18 Jun 2026US 2026/0169341 A1Amazon Technologies, Inc.
Most cited
By later US patents
- Optics arrangements including light source arrangements for an active matrix liquid crystal image generator365US 5,808,800 ADisplaytech, Inc. · 1998
- Illumination system for nonemissive electronic displays322US 6,376,828 B1E Ink Corporation · 2002
- Divergent angle rotator system and method for collimating light beams317US 5,854,872 AClio Technologies, Inc. · 1998
- Front-lit liquid crystal display having brightness enhancing film with microridges which directs light through the display to a reflector276US 5,608,550 AMinnesota Mining and Manufacturing Company · 1997
- Illumination system for nonemissive electronic displays249US 6,842,279 B2E Ink Corporation · 2005