H04N 9/312
Driving therefor
Official title: {Driving therefor (driving of electronic spatial light modulators in displays other than projection devices G09G3/34, G09G3/36; control of liquid crystal elements G02F1/133; control of micromechanical modulators G02B26/08)}
H04N9/312 (Driving therefor) appears on 802 US grants and 840 published applications in this corpus.
Search patents in H04N- Granted patents
- 802
- Published applications
- 840
- Assignees
- 228
- Inventors
- 1,085
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 3 |
| 2002 | 5 | 11 |
| 2003 | 19 | 12 |
| 2004 | 9 | 14 |
| 2005 | 11 | 30 |
| 2006 | 22 | 37 |
| 2007 | 19 | 40 |
| 2008 | 26 | 41 |
| 2009 | 18 | 54 |
| 2010 | 19 | 25 |
| 2011 | 30 | 18 |
| 2012 | 34 | 19 |
| 2013 | 26 | 14 |
| 2014 | 19 | 22 |
| 2015 | 22 | 24 |
| 2016 | 22 | 39 |
| 2017 | 26 | 62 |
| 2018 | 60 | 51 |
| 2019 | 56 | 67 |
| 2020 | 63 | 62 |
| 2021 | 49 | 42 |
| 2022 | 54 | 42 |
| 2023 | 38 | 42 |
| 2024 | 33 | 25 |
| 2025 | 23 | 24 |
| 2026 | 21 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical diamond passband filter25 Aug 2026US 12,720,028 B2Texas Instruments Incorporated
- Spatial light modulator for reduction of certain order light11 Aug 2026US 12,704,771 B2Dolby Laboratories Licensing Corporation
- Patch correction for light steering projector11 Aug 2026US 12,707,031 B2Barco Visual Solutions, Inc.
- Projector apparatus, light source device, and light source drive method28 Jul 2026US 12,695,851 B2Sony Group Corporation
- High brightness projection systems and methods28 Jul 2026US 12,695,852 B2Barco Visual Solutions, Inc.
- Projector24 Sep 2026US 2026/0292111 A1Seiko Epson Corporation
- Projection display device and white balance adjustment method17 Sep 2026US 2026/0281290 A1Hisense Laser Display Co., Ltd
- Extended pixel resolution actuator driving apparatus, laser projection device, driving method, and storage medium3 Sep 2026US 2026/0261633 A1Hisense Laser Display Co., Ltd
- Optical methods for reducing point spread function in phase light modulator applications13 Aug 2026US 2026/0237974 A1Texas Instruments Incorporated
- Method for steering light for a projector and light steering projector6 Aug 2026US 2026/0227669 A1Barco N.V.
Most cited
By later US patents
- DMD display system492US 5,452,024 ATexas Instruments Incorporated · 1995
- High resolution subtractive color projection system309US 5,594,563 AHoneywell Inc. · 1997
- Retarder stack for preconditioning light for a modulator having modulation and isotropic states of polarization269US 5,929,946 AColorLink, Inc. · 1999
- Semiconductor device and method for manufacturing the same159US 6,462,723 B1Semiconductor Energy Laboratory Co.Ltd. · 2002
- Single crystal silicon arrayed devices with optical shield between transistor and substrate152US 6,317,175 B1Kopin Corporation · 2001