G09G 3/342
Using several illumination sources separately controlled corresponding to different display panel areas
Official title: {using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines}
G09G3/342 (Using several illumination sources separately controlled corresponding to different display panel areas) appears on 2,977 US grants and 3,828 published applications in this corpus.
Search patents in G09G- Granted patents
- 2,977
- Published applications
- 3,828
- Assignees
- 675
- Inventors
- 5,178
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 4 |
| 2002 | 3 | 18 |
| 2003 | 7 | 22 |
| 2004 | 17 | 38 |
| 2005 | 16 | 68 |
| 2006 | 30 | 86 |
| 2007 | 32 | 133 |
| 2008 | 33 | 166 |
| 2009 | 44 | 213 |
| 2010 | 84 | 245 |
| 2011 | 96 | 237 |
| 2012 | 157 | 237 |
| 2013 | 177 | 183 |
| 2014 | 218 | 159 |
| 2015 | 189 | 164 |
| 2016 | 182 | 159 |
| 2017 | 149 | 161 |
| 2018 | 137 | 157 |
| 2019 | 186 | 185 |
| 2020 | 187 | 168 |
| 2021 | 188 | 232 |
| 2022 | 186 | 183 |
| 2023 | 175 | 184 |
| 2024 | 183 | 194 |
| 2025 | 177 | 138 |
| 2026 | 89 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical compensation device, display device, method of optically compensating display device, and electronic apparatus including display device29 Sep 2026US 12,749,435 B2Samsung Display Co., Ltd.
- Illumination unit and display apparatus22 Sep 2026US 12,742,987 B2Saturn Licensing LLC
- Image display device and operating method therefor22 Sep 2026US 12,743,174 B2LG Electronics Inc.
- Local dimming processing algorithm and correction system22 Sep 2026US 12,744,012 B2Continental Automotive Systems, Inc.
- Electronic device22 Sep 2026US 12,744,013 B2Innolux Corporation
- Method of handling backlight of display panel and related image processing circuit and display system8 Oct 2026US 2026/0311654 A1Novatek Microelectronics Corp.
- A backlight unit, a vehicle display apparatus and a method of controlling the same1 Oct 2026US 2026/0301700 A1AUMOVIO Germany GmbH
- Display device and image display system1 Oct 2026US 2026/0301701 A1LG Display Co., Ltd.
- Display device1 Oct 2026US 2026/0301702 A1Sharp Kabushiki Kaisha
- Holographic windshield display and control method thereof24 Sep 2026US 2026/0290265 A1Hyundai Mobis Co., Ltd.
Most cited
By later US patents
- Enhanced resolution for image generation265US 7,417,617 B2Dimension Technologies, Inc. · 2008
- Display device and electronic device253US 7,978,274 B2Semiconductor Energy Laboratory Co.Ltd. · 2011
- Optical apparatus249US 5,666,226 ASharp Kabushiki Kaisha · 1997
- Smart pixel lighting and display microcontroller235US 9,153,171 B2LuxVue Technology Corporation · 2015
- Liquid crystal display device234US 7,859,510 B2Semiconductor Energy Laboratory Co.Ltd. · 2010