G02F 1/133614
Using photoluminescence
Official title: {using photoluminescence, e.g. phosphors illuminated by UV or blue light}
G02F1/133614 (Using photoluminescence) appears on 1,670 US grants and 2,109 published applications in this corpus.
Search patents in G02F- Granted patents
- 1,670
- Published applications
- 2,109
- Assignees
- 409
- Inventors
- 3,195
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 7 |
| 2006 | 4 | 11 |
| 2007 | 4 | 14 |
| 2008 | 2 | 16 |
| 2009 | 6 | 31 |
| 2010 | 17 | 36 |
| 2011 | 14 | 36 |
| 2012 | 24 | 35 |
| 2013 | 31 | 51 |
| 2014 | 32 | 77 |
| 2015 | 42 | 114 |
| 2016 | 72 | 144 |
| 2017 | 114 | 236 |
| 2018 | 154 | 224 |
| 2019 | 206 | 241 |
| 2020 | 210 | 185 |
| 2021 | 187 | 195 |
| 2022 | 151 | 137 |
| 2023 | 144 | 123 |
| 2024 | 123 | 112 |
| 2025 | 82 | 49 |
| 2026 | 37 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Color liquid crystal displays and display backlights29 Sep 2026US 12,748,253 B2Bridgelux, Inc.
- Photosensitive resin composition, cured product and manufacturing method thereof, light conversion layer and light emitting device1 Sep 2026US 12,723,169 B2Advanced Echem Materials Company Limited
- Display device18 Aug 2026US 12,710,675 B2LG Electronics Inc.
- Display front panel device11 Aug 2026US 12,707,773 B2APPLIED Materials.Inc.
- Liquid crystal display device21 Jul 2026US 12,687,749 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Backlight unit for display device8 Oct 2026US 2026/0310026 A1LG Electronics Inc.
- Technique for maintaining color accuracy and reduce power consumption for lcds1 Oct 2026US 2026/0301699 A1ATI Technologies ULC
- Color conversion sheet and backlight unit comprising same20 Aug 2026US 2026/0244050 A1Toray Advanced Materials Korea Inc.
- Liquid crystal display device and timepiece13 Aug 2026US 2026/0235904 A1Casio Computer Co., Ltd.
- Display apparatus having a back-light unit23 Jul 2026US 2026/0211284 A1LG Display Co., Ltd.
Most cited
By later US patents
- Wavelength converted semiconductor light emitting devices252US 7,250,715 B2Philips Lumileds Lighting Company, LLC · 2007
- LED backlighting system223US 6,930,737 B2Visteon Global Technologies, Inc. · 2005
- Liquid crystal display device205US 5,920,367 ASharp Kabushiki Kaisha · 1999
- LCD backlight using two-dimensional array LEDs204US 7,052,152 B2Philips Lumileds Lighting Company, LLC · 2006
- LED display with wavelength conversion layer172US 9,111,464 B2LuxVue Technology Corporation · 2015