G02B 6/0041
Provided in the bulk of the light guide
Official title: {provided in the bulk of the light guide}
G02B6/0041 (Provided in the bulk of the light guide) appears on 495 US grants and 616 published applications in this corpus.
Search patents in G02B- Granted patents
- 495
- Published applications
- 616
- Assignees
- 270
- Inventors
- 1,199
- Latest grant
- 22 Sep 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 3 |
| 2002 | 3 | 6 |
| 2003 | 7 | 15 |
| 2004 | 11 | 13 |
| 2005 | 7 | 10 |
| 2006 | 6 | 20 |
| 2007 | 8 | 12 |
| 2008 | 6 | 27 |
| 2009 | 10 | 31 |
| 2010 | 14 | 25 |
| 2011 | 18 | 36 |
| 2012 | 17 | 35 |
| 2013 | 20 | 31 |
| 2014 | 27 | 38 |
| 2015 | 23 | 22 |
| 2016 | 18 | 41 |
| 2017 | 26 | 47 |
| 2018 | 34 | 17 |
| 2019 | 46 | 39 |
| 2020 | 24 | 29 |
| 2021 | 27 | 31 |
| 2022 | 39 | 31 |
| 2023 | 21 | 26 |
| 2024 | 26 | 19 |
| 2025 | 16 | 9 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of making waveguide illumination panels with alternating density extraction patterns for image display22 Sep 2026US 12,742,921 B2S.V.V. Technology Innovations, Inc.
- Surface illumination device, space including surface illumination device, and illumination method26 May 2026US 12,638,147 B2Nitto Denko Corporation
- Light guide plate, light guide plate unit, and display device7 Apr 2026US 12,596,220 B2Panasonic Automotive Systems Co., Ltd.
- Surface illumination device, space including surface illumination device, and illumination method24 Mar 2026US 12,584,601 B2Nitto Denko Corporation
- Construction10 Feb 2026US 12,546,468 B2Nitto Denko Corporation
- Backlight module for five-in-one metal substrate backlight and conductive film combined keyboard8 Oct 2026US 2026/0310306 A1Shenzhen Hui Chuang Da Technology Co., Ltd.
- Composite Optical Film6 Aug 2026US 2026/0227562 A1Ubright Optronics Corporation
- Mixed reality combiner19 Feb 2026US 2026/0050168 A1Lumus Ltd.
- Multifunctional lighting assembly with flexible pcb strip for a t-bar grid arrangement11 Sep 2025US 2025/0283330 A1Fusion Optix, Inc.
- Method of making waveguide illumination panels with alternating density extraction patterns for image display17 Jul 2025US 2025/0231334 A1S.V.V. Technology Innovations, Inc.
Most cited
By later US patents
- Light guide and lateral illuminator1,026US 6,836,611 B2J. W. Speaker Corporation · 2004
- Method of manufacturing an optical composite260US 7,991,257 B1Fusion Optix, Inc. · 2011
- Surface light source panel192US 4,985,809 AMatsushita Electric Industrial Co., Ltd. · 1991
- Lightguide comprising a low refractive index region183US 8,033,706 B1Fusion Optix, Inc. · 2011
- System for uniformly illuminating liquid crystal display board from rear side151US 5,057,974 A1991