G09G 2320/02
Improving the quality of display appearance
G09G2320/02 (Improving the quality of display appearance) appears on 27,765 US grants and 32,995 published applications in this corpus.
Search patents in G09G- Granted patents
- 27,765
- Published applications
- 32,995
- Assignees
- 2,502
- Inventors
- 28,915
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 17 | 0 |
| 1989 | 18 | 0 |
| 1990 | 20 | 0 |
| 1991 | 21 | 0 |
| 1992 | 39 | 0 |
| 1993 | 47 | 0 |
| 1994 | 48 | 0 |
| 1995 | 50 | 0 |
| 1996 | 58 | 0 |
| 1997 | 82 | 0 |
| 1998 | 159 | 0 |
| 1999 | 127 | 0 |
| 2000 | 181 | 0 |
| 2001 | 229 | 143 |
| 2002 | 271 | 549 |
| 2003 | 291 | 622 |
| 2004 | 386 | 753 |
| 2005 | 374 | 1060 |
| 2006 | 588 | 1265 |
| 2007 | 522 | 1281 |
| 2008 | 535 | 1404 |
| 2009 | 617 | 1326 |
| 2010 | 846 | 1131 |
| 2011 | 909 | 1103 |
| 2012 | 1113 | 1015 |
| 2013 | 1093 | 954 |
| 2014 | 1083 | 1090 |
| 2015 | 1039 | 1289 |
| 2016 | 1122 | 1589 |
| 2017 | 1264 | 1461 |
| 2018 | 1355 | 1513 |
| 2019 | 1631 | 1598 |
| 2020 | 1707 | 1619 |
| 2021 | 1728 | 1914 |
| 2022 | 1745 | 1747 |
| 2023 | 1652 | 1874 |
| 2024 | 1919 | 1948 |
| 2025 | 1798 | 1549 |
| 2026 | 1018 | 1198 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G09G 2320/0233Improving the luminance or brightness uniformity across the screenIndexing code8,434
- G09G 2320/0271Adjustment of the gradation levels within the range of the gradation scaleIndexing code3,799
- G09G 2320/0247Flicker reduction other than flicker reduction circuits used for single beam cathode-rayIndexing code3,600
- G09G 2320/0242Compensation of deficiencies in the appearance of coloursIndexing code3,228
- G09G 2320/029By monitoring one or more pixels in the display panelIndexing code3,082
- G09G 2320/0209Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directedIndexing code2,592
- G09G 2320/0223Compensation for problems related to r-c delay and attenuation in electrodes ofIndexing code2,449
- G09G 2320/0261In the context of movement of objects on the screen or movementIndexing code2,226
All 17 subgroupsShow fewer
- G09G 2320/0252Improving the response speedIndexing code2,131
- G09G 2320/0285Using tables for spatial correction of display dataIndexing code2,109
- G09G 2320/0257Reduction of after-image effectsIndexing code1,656
- G09G 2320/0238Improving the black levelIndexing code1,306
- G09G 2320/028By changing the viewing angle propertiesIndexing code1,081
- G09G 2320/0219Reducing feedthrough effects in active matrix panels, i.e. voltage changes on theIndexing code1,021
- G09G 2320/0204Compensation of dc component across the pixels in flat panelsIndexing code692
- G09G 2320/0266Reduction of sub-frame artefactsIndexing code526
- G09G 2320/0228Increasing the driving margin in plasma displaysIndexing code243
Recent patents
- Display device and control method thereof6 Oct 2026US 12,752,623 B2Hyundai Mobis Co., Ltd.
- Viewing angle controllable touch panel device and display device6 Oct 2026US 12,754,446 B2Tianma Japan, Ltd.
- Display apparatus and data processing method thereof6 Oct 2026US 12,755,660 B2LG Display Co., Ltd.
- Apparatus and method for image compensation, display driver and display6 Oct 2026US 12,755,661 B2Beijing ESWIN Computing Technology Co., Ltd.
- Color gamuts of display devices6 Oct 2026US 12,755,664 B2Hewlett-Packard Development Company, L. P.
- Multifocal near-eye display system and operating method thereof8 Oct 2026US 2026/0311625 A1Electronics and Telecommunications Research Institute
- Display device and control method of display device8 Oct 2026US 2026/0311627 A1Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.
- Apparatus and method for determining optimal adaptive synchronization frame range from among multiple adaptive synchronization frame ranges8 Oct 2026US 2026/0311629 A1LG Electronics Inc.
- Display module, method of manufacturing display module, display apparatus, compensation method, and electronic device8 Oct 2026US 2026/0311637 A1Boe Technology Group Co., Ltd.
- Apparatus for control display panel and method for operating display device including the same8 Oct 2026US 2026/0311638 A1Lx Semicon Co., Ltd.
Most cited
By later US patents
- Active matrix light emitting diode pixel structure and concomitant method823US 6,229,506 B1Sarnoff Corporation · 2001
- Display system and method781US 9,417,452 B2Magic Leap, Inc. · 2016
- Electroluminescent display device and a driving method thereof685US 5,990,629 ACasio Computer Co., Ltd. · 1999
- Backplanes for display applications, and components for use therein558US 7,116,318 B2E Ink Corporation · 2006
- Methods for driving bistable electro-optic displays, and apparatus for use therein553US 7,012,600 B2E Ink Corporation · 2006