G02B 6/0053
Prismatic sheet or layer
Official title: {Prismatic sheet or layer; Brightness enhancement element, sheet or layer}
G02B6/0053 (Prismatic sheet or layer) appears on 1,959 US grants and 2,428 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,959
- Published applications
- 2,428
- Assignees
- 566
- Inventors
- 3,949
- 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 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 16 | 0 |
| 1998 | 26 | 0 |
| 1999 | 25 | 0 |
| 2000 | 34 | 0 |
| 2001 | 26 | 23 |
| 2002 | 28 | 35 |
| 2003 | 34 | 44 |
| 2004 | 33 | 54 |
| 2005 | 40 | 79 |
| 2006 | 42 | 111 |
| 2007 | 53 | 152 |
| 2008 | 60 | 128 |
| 2009 | 71 | 119 |
| 2010 | 95 | 128 |
| 2011 | 76 | 100 |
| 2012 | 79 | 81 |
| 2013 | 65 | 78 |
| 2014 | 74 | 103 |
| 2015 | 65 | 132 |
| 2016 | 97 | 116 |
| 2017 | 88 | 148 |
| 2018 | 109 | 142 |
| 2019 | 148 | 129 |
| 2020 | 137 | 106 |
| 2021 | 93 | 106 |
| 2022 | 92 | 75 |
| 2023 | 71 | 76 |
| 2024 | 79 | 81 |
| 2025 | 51 | 49 |
| 2026 | 29 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Backlight module, viewing mode switching method thereof, and display device including the backlight module6 Oct 2026US 12,754,362 B2Radiant Opto-Electronics Corporation
- Color liquid crystal displays and display backlights29 Sep 2026US 12,748,253 B2Bridgelux, Inc.
- Optical film set, backlight module and display device29 Sep 2026US 12,748,254 B2Radiant Opto-Electronics Corporation
- Vehicle interior illumination lamp15 Sep 2026US 12,736,737 B2Yazaki Corporation
- 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.
- Electronic device1 Oct 2026US 2026/0299185 A1Innolux Corporation
- Display apparatus27 Aug 2026US 2026/0251838 A1LG Display Co., Ltd.
- Optical device and display system27 Aug 2026US 2026/0251839 A1Coretronic Corporation
- Lighting device for vehicles20 Aug 2026US 2026/0243943 A1
- Structural Optical Film and Backlight Module20 Aug 2026US 2026/0243944 A1Darwin Precisions Corporation
Most cited
By later US patents
- Uniform illumination system488US 7,072,096 B2Digital Optics International Corporation · 2006
- High-density illumination system467US 6,871,982 B2Digital Optics International Corporation · 2005
- Backlighting apparatus employing an array of microprisms417US 5,396,350 AAlliedSignal Inc. · 1995
- Light directing film having variable height structured surface and light directing article constructed therefrom296US 5,771,328 AMinnesota Mining and Manufacturing Company · 1998
- Tapered multilayer luminaire devices282US 5,528,720 AMinnesota Mining and Manufacturing Company · 1996