G02B 6/002
By shaping at least a portion of the light guide
Official title: {by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces}
G02B6/002 (By shaping at least a portion of the light guide) appears on 2,247 US grants and 2,654 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,247
- Published applications
- 2,654
- Assignees
- 758
- Inventors
- 4,134
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 17 | 0 |
| 2001 | 11 | 6 |
| 2002 | 18 | 27 |
| 2003 | 31 | 33 |
| 2004 | 26 | 59 |
| 2005 | 26 | 66 |
| 2006 | 34 | 98 |
| 2007 | 44 | 96 |
| 2008 | 68 | 133 |
| 2009 | 60 | 119 |
| 2010 | 95 | 116 |
| 2011 | 74 | 151 |
| 2012 | 84 | 126 |
| 2013 | 102 | 121 |
| 2014 | 118 | 141 |
| 2015 | 106 | 144 |
| 2016 | 92 | 154 |
| 2017 | 142 | 159 |
| 2018 | 119 | 118 |
| 2019 | 158 | 161 |
| 2020 | 162 | 139 |
| 2021 | 144 | 142 |
| 2022 | 125 | 99 |
| 2023 | 101 | 96 |
| 2024 | 90 | 66 |
| 2025 | 77 | 62 |
| 2026 | 31 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waveguide manufacturing methods6 Oct 2026US 12,754,361 B2RealD Spark, LLC
- Light source module and electrophoretic display device29 Sep 2026US 12,748,333 B2E Ink Holdings Inc.
- Backlight module1 Sep 2026US 12,724,190 B2Innolux Corporation
- Emblem18 Aug 2026US 12,709,237 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Modular LED lighting devices and systems with oblique edge diffusion panel18 Aug 2026US 12,710,146 B2
- Backlight module and electronic device having the same17 Sep 2026US 2026/0276878 A1Advanced Optoelectronic Technology, Inc.
- Display device27 Aug 2026US 2026/0251836 A1Alps Alpine Co., Ltd.
- Packaged light emitting diode and touch sensitive apparatus having the same20 Aug 2026US 2026/0244298 A1Uniphy Limited
- Illuminated glazing element with emissivity-reducing coating30 Jul 2026US 2026/0219436 A1Saint-Gobain Sekurit France
- Light guide for a backlight unit, backlight unit and display device30 Jul 2026US 2026/0219437 A1Continental Automotive Technologies GmbH
Most cited
By later US patents
- Lighting unit351US 5,375,043 AInoue Denki Co., Inc. · 1994
- Side emitting LED and lens330US 6,679,621 B2Lumileds Lighting U.S., LLC · 2004
- Lighting apparatus317US 6,582,103 B1Teledyne Lighting and Display Products, Inc. · 2003
- Light emitting panel assemblies288US 5,613,751 ALumitex, Inc. · 1997
- Uniform emission backlight281US 4,714,983 AMotorola, Inc. · 1987