G02B 6/0051
Diffusing sheet or layer
Official title: {Diffusing sheet or layer}
G02B6/0051 (Diffusing sheet or layer) appears on 1,719 US grants and 2,045 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,719
- Published applications
- 2,045
- Assignees
- 692
- Inventors
- 3,902
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 14 |
| 2002 | 12 | 27 |
| 2003 | 24 | 36 |
| 2004 | 30 | 48 |
| 2005 | 28 | 49 |
| 2006 | 34 | 75 |
| 2007 | 37 | 76 |
| 2008 | 35 | 75 |
| 2009 | 38 | 58 |
| 2010 | 54 | 73 |
| 2011 | 28 | 45 |
| 2012 | 37 | 54 |
| 2013 | 43 | 45 |
| 2014 | 48 | 79 |
| 2015 | 42 | 115 |
| 2016 | 90 | 137 |
| 2017 | 87 | 169 |
| 2018 | 141 | 153 |
| 2019 | 168 | 163 |
| 2020 | 159 | 134 |
| 2021 | 119 | 117 |
| 2022 | 121 | 104 |
| 2023 | 81 | 66 |
| 2024 | 81 | 67 |
| 2025 | 55 | 41 |
| 2026 | 26 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Glass assembly, vehicle window glass and vehicle6 Oct 2026US 12,752,607 B2Saint-Gobain Sekurit France
- LED luminaire with light guide and optical element29 Sep 2026US 12,748,252 B2Quarkstar LLC
- Color liquid crystal displays and display backlights29 Sep 2026US 12,748,253 B2Bridgelux, Inc.
- Vehicle lamp8 Sep 2026US 12,729,824 B2Nichia Corporation
- Variable light pipe illumination width levels11 Aug 2026US 12,704,228 B2Flex-N-Gate Advanced Product Development, LLC
- Vehicle lamp17 Sep 2026US 2026/0276169 A1Nichia Corporation
- Lighting device, light guide plate, and display device10 Sep 2026US 2026/0267054 A1Shanghai Tianma Micro-Electronics Co., Ltd.
- Luminous laminated glass panel comprising a functional coating3 Sep 2026US 2026/0259364 A1
- Lighting device27 Aug 2026US 2026/0251276 A1LG Innotek Co., Ltd.
- Backlight unit, liquid crystal display device, and information apparatus27 Aug 2026US 2026/0251837 A1Keiwa Inc.
Most cited
By later US patents
- Display apparatus1,024US 8,811,017 B2Sony Corporation · 2014
- 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
- Faceted light pipe322US 5,050,946 ACompaq Computer Corporation · 1991
- Optical distribution system including light guide315US 4,422,719 ASpace-Lyte International, Inc. · 1983