G02B 5/02
Diffusing elements
Official title: Diffusing elements; Afocal elements
G02B5/02 (Diffusing elements) appears on 4,451 US grants and 5,965 published applications in this corpus.
Search patents in G02B- Granted patents
- 4,451
- Published applications
- 5,965
- Assignees
- 1,562
- Inventors
- 9,713
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 24 | 0 |
| 1999 | 43 | 0 |
| 2000 | 30 | 0 |
| 2001 | 43 | 26 |
| 2002 | 32 | 52 |
| 2003 | 47 | 71 |
| 2004 | 54 | 90 |
| 2005 | 61 | 102 |
| 2006 | 57 | 159 |
| 2007 | 68 | 190 |
| 2008 | 73 | 229 |
| 2009 | 88 | 252 |
| 2010 | 155 | 272 |
| 2011 | 107 | 187 |
| 2012 | 142 | 209 |
| 2013 | 144 | 237 |
| 2014 | 156 | 267 |
| 2015 | 183 | 304 |
| 2016 | 229 | 362 |
| 2017 | 258 | 361 |
| 2018 | 262 | 350 |
| 2019 | 349 | 393 |
| 2020 | 341 | 361 |
| 2021 | 295 | 337 |
| 2022 | 278 | 315 |
| 2023 | 228 | 282 |
| 2024 | 254 | 249 |
| 2025 | 209 | 189 |
| 2026 | 114 | 119 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light diffuser6 Oct 2026US 12,753,903 B2Signify Holding B. V.
- Laminate and light diffusion control film6 Oct 2026US 12,754,351 B2Lintec Corporation
- Diffuser plate, display device, projecting device, and lighting device6 Oct 2026US 12,754,352 B2Dexerials Corporation
- Optical film, backlight, and display29 Sep 2026US 12,748,245 B23M Innovative Properties Company
- Method for scanning field correction at least of a laser scanner device, laser scanner device, scatter pattern element, scatter pattern holding device and scanning field correction system22 Sep 2026US 12,742,963 B2Novanta Europe GmbH
- Optical laminate and display apparatus8 Oct 2026US 2026/0307377 A1Nitto Denko Corporation
- Light diffusing film, manufacturing method thereof, and display apparatus comprising same8 Oct 2026US 2026/0309901 A1Samsung Electronics Co., Ltd.
- Illumination line generation by double-duty diffusion1 Oct 2026US 2026/0299175 A1Cognex Corporation
- Display device and light diffusion optical film thereof1 Oct 2026US 2026/0299176 A1Twin Beam Co., Ltd.
- Electronic device1 Oct 2026US 2026/0299185 A1Innolux Corporation
Most cited
By later US patents
- Electrochromic rearview mirror incorporating a third surface metal reflector and a display/signal light536US 6,356,376 B1Gentex Corporation · 2002
- Electrochromic rearview mirror incorporating a third surface partially transmissive reflector364US 6,512,624 B2Gentex Corporation · 2003
- Light directing film having variable height structured surface and light directing article constructed therefrom296US 5,771,328 AMinnesota Mining and Manufacturing Company · 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
- Sensor configuration for substantial spacing from a small aperture267US 6,831,268 B2Gentex Corporation · 2004