G09G 2320/04
Maintaining the quality of display appearance
G09G2320/04 (Maintaining the quality of display appearance) appears on 9,217 US grants and 10,636 published applications in this corpus.
Search patents in G09G- Granted patents
- 9,217
- Published applications
- 10,636
- Assignees
- 1,048
- Inventors
- 10,908
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 14 | 0 |
| 1993 | 20 | 0 |
| 1994 | 18 | 0 |
| 1995 | 21 | 0 |
| 1996 | 21 | 0 |
| 1997 | 39 | 0 |
| 1998 | 49 | 0 |
| 1999 | 36 | 0 |
| 2000 | 59 | 0 |
| 2001 | 47 | 50 |
| 2002 | 87 | 133 |
| 2003 | 71 | 143 |
| 2004 | 103 | 243 |
| 2005 | 91 | 324 |
| 2006 | 147 | 443 |
| 2007 | 181 | 397 |
| 2008 | 167 | 413 |
| 2009 | 188 | 402 |
| 2010 | 256 | 386 |
| 2011 | 297 | 343 |
| 2012 | 369 | 293 |
| 2013 | 387 | 298 |
| 2014 | 362 | 410 |
| 2015 | 387 | 469 |
| 2016 | 424 | 578 |
| 2017 | 478 | 503 |
| 2018 | 496 | 535 |
| 2019 | 622 | 495 |
| 2020 | 547 | 513 |
| 2021 | 532 | 606 |
| 2022 | 584 | 549 |
| 2023 | 559 | 687 |
| 2024 | 657 | 636 |
| 2025 | 589 | 446 |
| 2026 | 274 | 341 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display device and driving method thereof6 Oct 2026US 12,755,658 B2LG Display Co., Ltd.
- Drive circuit and method, scanning circuit and method, and display device6 Oct 2026US 12,755,682 B1Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
- Electronic device at least partially changing viewing angle of image on display panel6 Oct 2026US 12,755,689 B2Samsung Electronics Co., Ltd.
- Display apparatus and sensing method for compensation6 Oct 2026US 12,755,692 B2LG Display Co., Ltd.
- Display device, method of driving the display device, and electronic device including the display device6 Oct 2026US 12,755,711 B2Samsung Display Co., Ltd.
- Pixel circuit, driving method and display device8 Oct 2026US 2026/0311631 A1Beijing BOE Technology Development Co., Ltd.
- Apparatus for control display panel and method for operating display device including the same8 Oct 2026US 2026/0311638 A1Lx Semicon Co., Ltd.
- Display device and electronic device8 Oct 2026US 2026/0311641 A1Samsung Display Co., Ltd.
- Method of handling backlight of display panel and related image processing circuit and display system8 Oct 2026US 2026/0311654 A1Novatek Microelectronics Corp.
- Liquid crystal display device and method for driving liquid crystal display device8 Oct 2026US 2026/0311657 A1Sharp Display Technology Corporation
Most cited
By later US patents
- Active matrix light emitting diode pixel structure and concomitant method823US 6,229,506 B1Sarnoff Corporation · 2001
- Electroluminescent display device and a driving method thereof685US 5,990,629 ACasio Computer Co., Ltd. · 1999
- Methods for driving bistable electro-optic displays, and apparatus for use therein553US 7,012,600 B2E Ink Corporation · 2006
- Single crystal silicon arrayed devices for display panels540US 5,317,236 AKopin Corporation · 1994
- Active matrix light emitting diode pixel structure and concomitant method476US 6,229,508 B1Sarnoff Corporation · 2001