G02F 1/133607
The light controlling member including light directing or refracting elements
Official title: {the light controlling member including light directing or refracting elements, e.g. prisms or lenses}
G02F1/133607 (The light controlling member including light directing or refracting elements) appears on 1,893 US grants and 2,435 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,893
- Published applications
- 2,435
- Assignees
- 516
- Inventors
- 3,961
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 10 |
| 2002 | 7 | 13 |
| 2003 | 15 | 13 |
| 2004 | 10 | 25 |
| 2005 | 11 | 51 |
| 2006 | 18 | 83 |
| 2007 | 23 | 97 |
| 2008 | 41 | 113 |
| 2009 | 54 | 189 |
| 2010 | 95 | 135 |
| 2011 | 85 | 105 |
| 2012 | 78 | 71 |
| 2013 | 67 | 68 |
| 2014 | 68 | 71 |
| 2015 | 60 | 119 |
| 2016 | 71 | 68 |
| 2017 | 72 | 79 |
| 2018 | 67 | 86 |
| 2019 | 90 | 139 |
| 2020 | 149 | 176 |
| 2021 | 153 | 154 |
| 2022 | 155 | 154 |
| 2023 | 144 | 122 |
| 2024 | 130 | 131 |
| 2025 | 110 | 100 |
| 2026 | 54 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Backlight module1 Sep 2026US 12,724,190 B2Innolux Corporation
- Display device1 Sep 2026US 12,724,307 B2Magnolia White Corporation
- Surface light source device, display device and light flux controlling member25 Aug 2026US 12,717,185 B2Enplas Corporation
- Backlight module capable of enhancing brightness25 Aug 2026US 12,717,186 B2Entire Technology Co., Ltd.
- Thin and flexible edge-lit waveguide illumination systems with complex surface topologies and light converting properties18 Aug 2026US 12,710,581 B2S.V.V. Technology Innovations, Inc.
- Display device and light diffusion optical film thereof1 Oct 2026US 2026/0299176 A1Twin Beam Co., Ltd.
- Display device and method of forming the same1 Oct 2026US 2026/0299355 A1AUO Corporation
- Method for Producing a Complex Sheet and a Display Panel Comprising the Complex Sheet17 Sep 2026US 2026/0277044 A1LG Display Co., Ltd.
- Electronic device17 Sep 2026US 2026/0277056 A1Innolux Corporation
- Light diffusion sheet, backlight unit, liquid crystal display device, information apparatus, and method for manufacturing light diffusion sheet10 Sep 2026US 2026/0267041 A1Keiwa Inc.
Most cited
By later US patents
- Backlight assembly for improved illumination employing tapered optical elements228US 5,598,281 AAlliedSignal Inc. · 1997
- Method for stacking surface structured optical films154US 6,846,089 B23M Innovative Properties Company · 2005
- Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing148US 5,838,403 APhysical Optics Corporation · 1998
- Optical film with defect-reducing surface and method for making same146US 6,322,236 B13M Innovative Properties Company · 2001
- Liquid-crystal display apparatus including a backlight section using collimating plate143US 6,421,103 B2Fuji Photo Film Co., Ltd. · 2002