G02B 6/0025
Diffusing sheet or layer
Official title: {Diffusing sheet or layer; Prismatic sheet or layer}
G02B6/0025 (Diffusing sheet or layer) appears on 538 US grants and 647 published applications in this corpus.
Search patents in G02B- Granted patents
- 538
- Published applications
- 647
- Assignees
- 261
- Inventors
- 1,210
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 2 |
| 2003 | 5 | 3 |
| 2004 | 1 | 5 |
| 2005 | 2 | 6 |
| 2006 | 8 | 15 |
| 2007 | 6 | 19 |
| 2008 | 7 | 18 |
| 2009 | 13 | 15 |
| 2010 | 14 | 23 |
| 2011 | 18 | 18 |
| 2012 | 17 | 20 |
| 2013 | 14 | 24 |
| 2014 | 20 | 27 |
| 2015 | 15 | 28 |
| 2016 | 21 | 39 |
| 2017 | 25 | 38 |
| 2018 | 33 | 63 |
| 2019 | 53 | 86 |
| 2020 | 62 | 44 |
| 2021 | 61 | 41 |
| 2022 | 30 | 25 |
| 2023 | 29 | 36 |
| 2024 | 29 | 27 |
| 2025 | 19 | 16 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wide-area illumination panels employing flexible printed circuits and side-emitting LEDs22 Sep 2026US 12,742,536 B2S.V.V. Technology Innovations, Inc.
- Illuminable glazing with multilayer light coupling means15 Sep 2026US 12,736,733 B2Saint-Gobain Sekurit France
- Film-based lightguide with interior light directing edges and lateral reflections25 Aug 2026US 12,717,076 B2Azumo, Inc.
- Microreplicated optical film28 Jul 2026US 12,693,468 B23M Innovative Properties Company
- Luminaire with light exit window14 Jul 2026US 12,680,666 B2Signify Holding B. V.
- Optical element, optical system and vehicle window pane and/or window pane laminate9 Jul 2026US 2026/0194702 A1
- Vehicle window having a light source and a light-conducting layer4 Jun 2026US 2026/0152118 A1
- Luminaire with light exit window16 Apr 2026US 2026/0104152 A1Signify Holding B. V.
- Illuminable glazing with multilayer light coupling means2 Apr 2026US 2026/0093065 A1Saint-Gobain Sekurit France
- Backlight module and display device5 Mar 2026US 2026/0063949 A1AUO Corporation
Most cited
By later US patents
- Light emitting device having a nitride compound semiconductor and a phosphor containing a garnet fluorescent material1,017US 5,998,925 ANichia Kagaku Kogyo K. K. · 1999
- Light emitting device having a nitride compound semiconductor and a phosphor containing a garnet fluorescent material351US 6,069,440 ANichia Kagaku Kogyo K. K. · 2000
- Divergent angle rotator system and method for collimating light beams317US 5,854,872 AClio Technologies, Inc. · 1998
- Light emitting device and display269US 6,608,332 B2Nichia Kagaku Kogyo K. K. · 2003
- Light emitting device with blue light LED and phosphor components208US 6,614,179 B1Nichia Kagaku Kogyo K. K. · 2003