G09F 2013/1854
Light diffusing layer
Official title: {Light diffusing layer}
G09F2013/1854 (Light diffusing layer) appears on 21 US grants and 29 published applications in this corpus.
Search patents in G09F- Granted patents
- 21
- Published applications
- 29
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 4 | 3 |
| 2014 | 4 | 6 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED light panel2 Jun 2026US D1,128,971 S1Smartrend Manufacturing Group (Smg), Inc. · Design
- Illuminated signs for vehicles, mounting systems therefor and related methods9 Dec 2025US 12,494,142 B2Smartrend Manufacturing Group (Smg), Inc.
- Designed sign system4 Oct 2022US 11,462,137 B2Daikan Co., Ltd.
- Illuminated signs for vehicles, mounting systems therefor and related methods31 May 2022US 11,348,491 B2Smartrend Manufacturing Group (Smg), Inc.
- Illuminated signs for vehicles, mounting systems therefor and related methods9 Nov 2021US 11,170,673 B2Smartrend Manufacturing Group (Smg), Inc.
- Solar sign27 Nov 2025US 2025/0362444 A1OptoGlo, Inc.
- Light guide plate with metallized pixels for light extraction in solar signs7 Dec 2023US 2023/0395001 A1
- Illuminated signs for vehicles, mounting systems therefor and related methods6 Oct 2022US 2022/0319361 A1Smartrend Manufacturing Group (Smg), Inc.
- Illuminated signs for vehicles, mounting systems therefor and related methods25 Nov 2021US 2021/0366321 A1Smartrend Supply Ltd.
- Designed sign system29 Apr 2021US 2021/0125530 A1Daikan Co., Ltd.
Most cited
By later US patents
- Visual display device with fluorescent dye-doped edge-illuminating emitter panel92US 4,989,956 AHughes Aircraft Company · 1991
- Light diffusing device74US 4,141,058 ACopal Company Limited · 1979
- Method and LED apparatus for billboard lighting30US 8,454,215 B2Ringdale, Inc. · 2013
- Illuminated signs for vehicles, mounting systems therefor and related methods13US 11,170,673 B2Smartrend Manufacturing Group (Smg), Inc. · 2021
- Manipulation of color illumination using light diffusing fiber10US 9,093,003 B2Corning Incorporated · 2015