G02F 1/133504
Diffusing, scattering, diffracting elements
Official title: {Diffusing, scattering, diffracting elements (associated to illuminating devices G02F1/133606)}
G02F1/133504 (Diffusing, scattering, diffracting elements) appears on 1,859 US grants and 2,209 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,859
- Published applications
- 2,209
- Assignees
- 515
- Inventors
- 3,837
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 16 | 0 |
| 1998 | 20 | 0 |
| 1999 | 20 | 0 |
| 2000 | 33 | 0 |
| 2001 | 33 | 25 |
| 2002 | 33 | 48 |
| 2003 | 41 | 55 |
| 2004 | 52 | 60 |
| 2005 | 36 | 64 |
| 2006 | 36 | 85 |
| 2007 | 30 | 91 |
| 2008 | 56 | 73 |
| 2009 | 43 | 79 |
| 2010 | 44 | 65 |
| 2011 | 65 | 66 |
| 2012 | 48 | 53 |
| 2013 | 41 | 64 |
| 2014 | 48 | 61 |
| 2015 | 47 | 101 |
| 2016 | 77 | 102 |
| 2017 | 67 | 134 |
| 2018 | 93 | 158 |
| 2019 | 143 | 154 |
| 2020 | 159 | 137 |
| 2021 | 128 | 134 |
| 2022 | 122 | 123 |
| 2023 | 98 | 101 |
| 2024 | 114 | 89 |
| 2025 | 72 | 50 |
| 2026 | 21 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light diffusion sheet, backlight unit, liquid crystal display apparatus, information device, and method of manufacturing light diffusion sheet22 Sep 2026US 12,742,985 B2Keiwa Inc.
- Liquid crystal panel and manufacturing method thereof and display apparatus25 Aug 2026US 12,717,189 B2Boe Technology Group Co., Ltd.
- Display device18 Aug 2026US 12,710,675 B2LG Electronics Inc.
- Liquid crystal grating and display device11 Aug 2026US 12,704,754 B2Shanghai Tianma Microelectronics Co., Ltd.
- Light control film and display device having the same2 Jun 2026US 12,645,014 B2LG Display Co., Ltd.
- Light diffusing film, manufacturing method thereof, and display apparatus comprising same8 Oct 2026US 2026/0309901 A1Samsung Electronics Co., Ltd.
- Electronic Paper Screen Module8 Oct 2026US 2026/0310037 A1Hanshow Technology Co., Ltd.
- Display device and electronic apparatus1 Oct 2026US 2026/0299349 A1Kepler, Ltd.
- Display device1 Oct 2026US 2026/0299351 A1Japan Display Inc.
- Light control film and display device having the same17 Sep 2026US 2026/0276871 A1LG Display Co., Ltd.
Most cited
By later US patents
- High efficiency polarized display298US 5,751,388 AHoneywell 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
- Liquid crystal display viewable under all lighting conditions234US 6,909,486 B22005
- Light diffuser with variable diffusion224US 6,846,098 B2Eastman Kodak Company · 2005
- LCD with plurality of pixels having reflective and transmissive regions216US 6,295,109 B1Sharp Kabushiki Kaisha · 2001