F21K 2/08
Activated by an electric field, i.e. electrochemiluminescence
Official title: activated by an electric field, i.e. electrochemiluminescence
F21K2/08 (Activated by an electric field, i.e. electrochemiluminescence) appears on 33 US grants and 24 published applications in this corpus.
Search patents in F21K- Granted patents
- 33
- Published applications
- 24
- Assignees
- 24
- Inventors
- 74
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 5 |
| 2020 | 5 | 0 |
| 2021 | 3 | 3 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Self generation pressure-sensitive light emitting device and method thereof15 Jul 2025US 12,359,777 B2Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite9 Jan 2024US 11,870,060 B2Samsung Electronics Co., Ltd.
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite5 Dec 2023US 11,837,714 B2Samsung Electronics Co., Ltd.
- Light-emitting element, lighting device, and method for manufacturing lighting device and display device4 Jul 2023US 11,692,674 B2Japan Display Inc.
- Augmented solar-powered emergency vehicle light8 Mar 2022US 11,267,400 B2Yuyao Decheng Technology Consulting Co., Ltd.
- Systems enhancing safety utilizing passive photoluminescent components13 Mar 2025US 2025/0084968 A1
- Self generation pressure-sensitive light emitting device and method thereof30 Jan 2025US 2025/0035270 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Light emitting electrochemical cells, electrostatic inks and methods of making electrostatic inks27 Apr 2023US 2023/0125335 A1Hewlett-Packard Development Company, L. P.
- Light-emitting element, lighting device, and method for manufacturing lighting device and display device19 Jan 2023US 2023/0019409 A1Japan Display Inc.
- Augmented solar-powered emergency vehicle light18 Mar 2021US 2021/0078493 A1Yuyao Decheng Technology Consulting Co., Ltd.
Most cited
By later US patents
- Electrochemical light-emitting devices106US 5,682,043 AUniax Corporation · 1997
- Devices and methods for generating electrogenerated chemiluminescence85US 5,324,457 ABoard of Regents, University of TX System · 1994
- Electrochromic, electroluminescent and electrochemiluminescent displays81US 5,444,330 AMolecular Displays, Inc. · 1995
- Electrochromic, electroluminescent and electrochemiluminescent displays68US 5,189,549 AMolecular Displays, Inc. · 1993
- Complementary surface confined polymer electrochromic materials, systems, and methods of fabrication therefor46US 5,457,564 AMolecular Displays, Inc. · 1995