H04N 9/3138
Using arrays of modulated light sources
Official title: {using arrays of modulated light sources (electroluminescent display devices G09G3/30)}
H04N9/3138 (Using arrays of modulated light sources) appears on 196 US grants and 220 published applications in this corpus.
Search patents in H04N- Granted patents
- 196
- Published applications
- 220
- Assignees
- 103
- Inventors
- 330
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 3 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 2 |
| 2008 | 5 | 7 |
| 2009 | 1 | 7 |
| 2010 | 4 | 6 |
| 2011 | 5 | 2 |
| 2012 | 4 | 5 |
| 2013 | 6 | 5 |
| 2014 | 5 | 9 |
| 2015 | 0 | 5 |
| 2016 | 12 | 16 |
| 2017 | 10 | 14 |
| 2018 | 11 | 13 |
| 2019 | 18 | 17 |
| 2020 | 18 | 13 |
| 2021 | 13 | 19 |
| 2022 | 14 | 18 |
| 2023 | 10 | 18 |
| 2024 | 26 | 16 |
| 2025 | 12 | 12 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Display device using organic electroluminescent elements265US 6,259,423 B1Kabushiki Kaisha Toyoto Chuo Kenkyusho · 2001
- High dynamic range display devices152US 6,891,672 B2The University of British Columbia · 2005
- Projection type image display apparatus and image display system102US 6,951,393 B2Canon Kabushiki Kaisha · 2005
- Pulsed LED scan-ring array for boosting display system lumens90US 7,289,090 B2Texas Instruments Incorporated · 2007
- Fiber optic ribbon subminiature display for head/helmet mounted display56US 5,416,876 AHughes Training, Inc. · 1995