H01J 31/125
Provided with control means permitting the electron beam to reach selected parts
Official title: {provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection}
H01J31/125 (Provided with control means permitting the electron beam to reach selected parts) appears on 1,456 US grants and 1,236 published applications in this corpus.
Search patents in H01J- Granted patents
- 1,456
- Published applications
- 1,236
- Assignees
- 255
- Inventors
- 1,803
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 27 | 0 |
| 1994 | 13 | 0 |
| 1995 | 24 | 0 |
| 1996 | 50 | 0 |
| 1997 | 53 | 0 |
| 1998 | 65 | 0 |
| 1999 | 73 | 0 |
| 2000 | 73 | 0 |
| 2001 | 64 | 20 |
| 2002 | 72 | 77 |
| 2003 | 71 | 70 |
| 2004 | 71 | 86 |
| 2005 | 53 | 136 |
| 2006 | 74 | 172 |
| 2007 | 81 | 212 |
| 2008 | 80 | 136 |
| 2009 | 71 | 102 |
| 2010 | 104 | 86 |
| 2011 | 83 | 59 |
| 2012 | 71 | 42 |
| 2013 | 41 | 15 |
| 2014 | 14 | 10 |
| 2015 | 10 | 7 |
| 2016 | 6 | 0 |
| 2017 | 4 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for fabricating high current field emission cathode containing nanomaterials17 Jun 2025US 12,334,296 B1A&M Consulting, LLC
- Devices having an electron emitting structure24 Aug 2021US 11,101,095 B2Nano-X Imaging Ltd.
- Wiring structure for display device30 Jul 2019US 10,365,520 B2Kobe Steel, Ltd.
- Devices having an electron emitting structure26 Mar 2019US 10,242,836 B2Nanox Imaging PLC
- Array substrate, display panel and display apparatus having the same, and fabricating method thereof27 Nov 2018US 10,141,154 B2Beijing Boe Optoelectronics Technology Co., Ltd.
- Electron emission source18 Jun 2026US 2026/0171342 A1Infovion Inc.
- Devices having an electron emitting structure20 Jun 2019US 2019/0189383 A1Nano-X Imaging Ltd.
- Array substrate, display panel and display apparatus having the same, and fabricating method thereof8 Feb 2018US 2018/0040451 A1Beijing Boe Optoelectronics Technology Co., Ltd.
- Detecting system based on terahertz wave7 Dec 2017US 2017/0352516 A1Hon Hai Precision Industry Co., Ltd.
- Array substrate, display panel and display apparatus having the same, and fabricating method thereof18 May 2017US 2017/0140893 A1Beijing Boe Optoelectronics Technology Co., Ltd.
Most cited
By later US patents
- Light-emitting device having light-reflective layer formed with, or/and adjacent to, material that enhances device performance211US 6,630,786 B2Candescent Intellectual Property Services, Inc. · 2003
- Matrix-addressed flat panel display199US 4,857,799 ASRI International · 1989
- Field emission cathode based flat panel display having polyimide spacers186US 5,063,327 AColoray Display Corporation · 1991
- Field emission cold-cathode device169US 6,097,138 AKabushiki Kaisha Toshiba · 2000
- Electronic fluorescent display system with simplified multiple electrode structure and its processing163US 5,859,508 APixtech S.A. · 1999