H10K 85/115
Polyfluorene
Official title: {Polyfluorene; Derivatives thereof}
H10K85/115 (Polyfluorene) appears on 1,100 US grants and 1,543 published applications in this corpus.
Search patents in H10K- Granted patents
- 1,100
- Published applications
- 1,543
- Assignees
- 351
- Inventors
- 2,306
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 10 | 9 |
| 2002 | 14 | 27 |
| 2003 | 21 | 57 |
| 2004 | 27 | 83 |
| 2005 | 35 | 89 |
| 2006 | 48 | 99 |
| 2007 | 45 | 101 |
| 2008 | 30 | 80 |
| 2009 | 42 | 79 |
| 2010 | 69 | 78 |
| 2011 | 66 | 83 |
| 2012 | 58 | 73 |
| 2013 | 60 | 92 |
| 2014 | 43 | 61 |
| 2015 | 58 | 69 |
| 2016 | 63 | 57 |
| 2017 | 74 | 70 |
| 2018 | 67 | 66 |
| 2019 | 49 | 54 |
| 2020 | 43 | 54 |
| 2021 | 48 | 51 |
| 2022 | 40 | 35 |
| 2023 | 23 | 26 |
| 2024 | 31 | 22 |
| 2025 | 15 | 19 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light-emitting element, display device, and method for manufacturing light-emitting element8 Sep 2026US 12,733,334 B2Sharp Kabushiki Kaisha
- Polymer, a composition, and an electroluminescent device1 Sep 2026US 12,727,375 B2Samsung Electronics Co., Ltd.
- Perovskite light emitting device11 Aug 2026US 12,707,886 B2Korea University Research and Business Foundation
- Polycyclic aromatic compound11 Aug 2026US 12,707,891 B2Kwansei Gakuin Educational Foundation
- Composite electron transport material and preparation method therefor, and light-emitting diode16 Jun 2026US 12,655,031 B2Tcl Technology Group Corporation
- Stretchable electrode, stretchable organic light-emitting diode comprising same, and method for manufacturing same13 Aug 2026US 2026/0239868 A1Seoul National University R&Db Foundation
- Quantum dot composition and quantum dot light-emitting device30 Jul 2026US 2026/0218046 A1Guangdong Juhua Research Institute of Advanced Display
- Stabilized perovskite structure, its preparation and use in solar cell25 Jun 2026US 2026/0182239 A1City University of Hong Kong
- Low-voltage organic light-emitting synapse element and stimulus-sensitive neuromorphic display device comprising same7 May 2026US 2026/0130039 A1Seoul National University R&Db Foundation
- Film, preparation method thereof and photoelectric device26 Mar 2026US 2026/0090196 A1Shenzhen TCL High-Tech Development Co., Ltd.
Most cited
By later US patents
- Phosphorescent compound, a phosphorescent composition and an organic light-emitting device907US 7,250,226 B2Nippon Hoso Kyokai · 2007
- Process for preparing conjugated polymers158US 5,777,070 AThe Dow Chemical Company · 1998
- Hybrid light-emitting sources for efficient and cost effective white lighting and for full-color applications156US 5,966,393 AThe Regents of the University of California · 1999
- Conjugated polymers having spiro centers and their use as electroluminescence materials138US 5,621,131 AHoechst Aktiengesellschaft · 1997
- Fluorene-containing polymers and compounds useful in the preparation thereof114US 6,169,163 AThe Dow Chemical Company · 2001