G02B 6/0033
Means for improving the coupling-out of light from the light guide
Official title: {Means for improving the coupling-out of light from the light guide}
G02B6/0033 (Means for improving the coupling-out of light from the light guide) appears on 11,630 US grants and 14,208 published applications in this corpus.
Search patents in G02B- Granted patents
- 11,630
- Published applications
- 14,208
- Assignees
- 2,369
- Inventors
- 16,907
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 17 | 0 |
| 1991 | 18 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 22 | 0 |
| 1995 | 41 | 0 |
| 1996 | 37 | 0 |
| 1997 | 50 | 0 |
| 1998 | 78 | 0 |
| 1999 | 79 | 0 |
| 2000 | 99 | 0 |
| 2001 | 93 | 88 |
| 2002 | 118 | 171 |
| 2003 | 156 | 223 |
| 2004 | 178 | 317 |
| 2005 | 171 | 341 |
| 2006 | 217 | 478 |
| 2007 | 244 | 494 |
| 2008 | 248 | 523 |
| 2009 | 274 | 493 |
| 2010 | 365 | 558 |
| 2011 | 300 | 524 |
| 2012 | 344 | 551 |
| 2013 | 435 | 556 |
| 2014 | 452 | 637 |
| 2015 | 443 | 697 |
| 2016 | 505 | 841 |
| 2017 | 618 | 870 |
| 2018 | 681 | 896 |
| 2019 | 976 | 901 |
| 2020 | 950 | 878 |
| 2021 | 751 | 781 |
| 2022 | 726 | 630 |
| 2023 | 558 | 627 |
| 2024 | 602 | 517 |
| 2025 | 458 | 401 |
| 2026 | 232 | 215 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/0035Provided on the surface of the light guide or in the bulk7,081
- G02B 6/005Provided by one optical element, or plurality thereof, placed on the light6,802
- G02B 6/0058Varying in density, size, shape or depth along the light guide2,116
- G02B 6/0056For producing polarisation effects786
- G02B 6/0063For extracting light out both the major surfaces of the light guide299
Recent patents
- Glass assembly, vehicle window glass and vehicle6 Oct 2026US 12,752,607 B2Saint-Gobain Sekurit France
- Illuminable laminated glazing for a vehicle and vehicle comprising such a glazing6 Oct 2026US 12,752,609 B2Saint-Gobain Sekurit France
- Interior equipment for a motor vehicle having a lighting module with a flexible guide sheet6 Oct 2026US 12,752,700 B2Valeo Vision
- Optical laminate, light guide element, and image display apparatus6 Oct 2026US 12,754,356 B2FUJIFILM Corporation
- Frontlight module and display apparatus6 Oct 2026US 12,754,360 B2Huawei Technologies Co., Ltd.
- Light-emitting structure, display apparatus, and control method therefor8 Oct 2026US 2026/0309906 A1Beijing Boe Display Technology Co., Ltd.
- Maskless coating as a patterning mask for external stimuli in depositions8 Oct 2026US 2026/0309907 A1APPLIED Materials.Inc.
- Near focus corrective ar glasses8 Oct 2026US 2026/0309993 A1Vuzix Corporation
- Smart glasses8 Oct 2026US 2026/0309996 A1Shenzhen Yiwen Tech Limited
- 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.
Most cited
By later US patents
- Protective cover for a lighting device1,137US 6,185,356 B2Lumitex, Inc. · 2001
- Light guide and lateral illuminator1,026US 6,836,611 B2J. W. Speaker Corporation · 2004
- Display apparatus1,024US 8,811,017 B2Sony Corporation · 2014
- Light emitting device having a nitride compound semiconductor and a phosphor containing a garnet fluorescent material1,017US 5,998,925 ANichia Kagaku Kogyo K. K. · 1999
- Multiple depth plane three-dimensional display using a wave guide reflector array projector563US 9,310,559 B2Magic Leap, Inc. · 2016