G02F 1/133603
With leds
Official title: {with LEDs}
G02F1/133603 (With leds) appears on 4,572 US grants and 5,822 published applications in this corpus.
Search patents in G02F- Granted patents
- 4,572
- Published applications
- 5,822
- Assignees
- 895
- Inventors
- 7,801
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 9 |
| 2002 | 6 | 28 |
| 2003 | 13 | 29 |
| 2004 | 20 | 46 |
| 2005 | 22 | 77 |
| 2006 | 36 | 178 |
| 2007 | 61 | 219 |
| 2008 | 68 | 233 |
| 2009 | 113 | 248 |
| 2010 | 151 | 243 |
| 2011 | 168 | 222 |
| 2012 | 201 | 275 |
| 2013 | 211 | 233 |
| 2014 | 218 | 229 |
| 2015 | 209 | 288 |
| 2016 | 222 | 241 |
| 2017 | 191 | 239 |
| 2018 | 214 | 277 |
| 2019 | 277 | 392 |
| 2020 | 361 | 347 |
| 2021 | 357 | 384 |
| 2022 | 354 | 337 |
| 2023 | 328 | 330 |
| 2024 | 330 | 328 |
| 2025 | 265 | 239 |
| 2026 | 142 | 151 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Backlight module and method for manufacturing the same, and display device6 Oct 2026US 12,754,449 B2Shanghai Tianma Microelectronics Co., Ltd.
- Color liquid crystal displays and display backlights29 Sep 2026US 12,748,253 B2Bridgelux, Inc.
- Light diffusion sheet, back-light unit, liquid crystal display device, information apparatus, and method for manufacturing back-light unit29 Sep 2026US 12,748,329 B2Keiwa Inc.
- Wiring substrate and method of manufacturing the same, backboard and display apparatus29 Sep 2026US 12,751,122 B2Boe Technology Group Co., Ltd.
- Illumination unit and display apparatus22 Sep 2026US 12,742,987 B2Saturn Licensing LLC
- Virtual image display apparatus and optical unit8 Oct 2026US 2026/0309987 A1Seiko Epson Corporation
- Display assemblies with closed airflow pathways8 Oct 2026US 2026/0310022 A1Manufacturing Resources International, Inc.
- Backlight module and display apparatus8 Oct 2026US 2026/0310024 A1BOE MLED Technology Co., Ltd.
- Backlight unit for display device8 Oct 2026US 2026/0310026 A1LG Electronics Inc.
- In-vehicle display device1 Oct 2026US 2026/0299342 A1Panasonic Automotive Systems Co., Ltd.
Most cited
By later US patents
- Plane light source and LCD backlight unit having the same491US 7,940,350 B2Samsung LED Co., Ltd. · 2011
- Uniform illumination system488US 7,072,096 B2Digital Optics International Corporation · 2006
- White light emitting device and white light source module using the same488US 7,959,312 B2Samsung LED Co., Ltd. · 2011
- Plane light source and LCD backlight unit having the same484US 8,432,511 B2Samsung Electronics Co., Ltd. · 2013
- High-density illumination system467US 6,871,982 B2Digital Optics International Corporation · 2005