G09G 3/34
By control of light from an independent source
Official title: by control of light from an independent source
G09G3/34 (By control of light from an independent source) appears on 33,877 US grants and 39,049 published applications in this corpus.
Search patents in G09G- Granted patents
- 33,877
- Published applications
- 39,049
- Assignees
- 3,109
- Inventors
- 34,454
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 16 | 0 |
| 1984 | 20 | 0 |
| 1985 | 21 | 0 |
| 1986 | 25 | 0 |
| 1987 | 63 | 0 |
| 1988 | 75 | 0 |
| 1989 | 66 | 0 |
| 1990 | 63 | 0 |
| 1991 | 80 | 0 |
| 1992 | 112 | 0 |
| 1993 | 139 | 0 |
| 1994 | 144 | 0 |
| 1995 | 164 | 0 |
| 1996 | 184 | 0 |
| 1997 | 250 | 0 |
| 1998 | 375 | 0 |
| 1999 | 307 | 0 |
| 2000 | 380 | 0 |
| 2001 | 429 | 256 |
| 2002 | 401 | 828 |
| 2003 | 425 | 736 |
| 2004 | 510 | 944 |
| 2005 | 501 | 1253 |
| 2006 | 792 | 1595 |
| 2007 | 702 | 1832 |
| 2008 | 725 | 2067 |
| 2009 | 789 | 1968 |
| 2010 | 1188 | 1878 |
| 2011 | 1270 | 1816 |
| 2012 | 1666 | 1797 |
| 2013 | 1660 | 1672 |
| 2014 | 1705 | 1745 |
| 2015 | 1775 | 1884 |
| 2016 | 1759 | 2197 |
| 2017 | 1836 | 2065 |
| 2018 | 1870 | 2071 |
| 2019 | 2183 | 1986 |
| 2020 | 2064 | 1706 |
| 2021 | 1728 | 1720 |
| 2022 | 1448 | 1117 |
| 2023 | 1128 | 1046 |
| 2024 | 1115 | 1206 |
| 2025 | 1068 | 959 |
| 2026 | 589 | 705 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G09G 3/36Using liquid crystals26,369
- G09G 3/3406Control of illumination source7,490
- G09G 3/3433Using light modulating elements actuated by an electric field and being other3,259
- G09G 3/38Using electrochromic devices281
- G09G 3/3486Using light modulating elements actuated by a magnetic field28
- G09G 3/3493Using light modulating elements actuated by a piezoelectric effect26
Recent patents
- Display device6 Oct 2026US 12,755,657 B2Sharp Kabushiki Kaisha
- Display device and electronic device including display device6 Oct 2026US 12,755,668 B2Samsung Display Co., Ltd.
- Display device and method of operating a display device6 Oct 2026US 12,755,696 B2Samsung Display Co., Ltd.
- Display device and electronic device6 Oct 2026US 12,755,707 B2Semiconductor Energy Laboratory Co.Ltd.
- Method for maintaining optical quality of display and display thereof6 Oct 2026US 12,755,712 B2AUO Display Plus Corporation
- Display device and control method of display device8 Oct 2026US 2026/0311627 A1Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.
- Display Substrate and Display Device8 Oct 2026US 2026/0311649 A1Boe Technology Group Co., Ltd.
- Method of handling backlight of display panel and related image processing circuit and display system8 Oct 2026US 2026/0311654 A1Novatek Microelectronics Corp.
- Electronic apparatus and control method thereof8 Oct 2026US 2026/0311655 A1Samsung Electronics Co., Ltd.
- 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
- Visual notification methods for candy-bar type cellphones1,196US 8,134,306 B2Research In Motion Limited · 2012
- Automated response to and sensing of user activity in portable devices1,178US 7,633,076 B2Apple Inc. · 2009
- Interferometric modulation of radiation1,041US 6,674,562 B1Iridigm Display Corporation · 2004
- Electronic information display system employing a plurality of electronic-ink display labels associated with a plurality of manufactured items for displaying information which changes as the manufactured items move through wholesale/retail distribution channels1,033US 7,762,462 B2Metrologic Instruments, Inc. · 2010
- Inverter992US 8,044,604 B2Rohm Co., Ltd. · 2011