G02F 1/15
Based on an electrochromic effect
Official title: based on an electrochromic effect
G02F1/15 (Based on an electrochromic effect) appears on 4,312 US grants and 4,299 published applications in this corpus.
Search patents in G02F- Granted patents
- 4,312
- Published applications
- 4,299
- Assignees
- 1,045
- Inventors
- 6,195
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 20 | 0 |
| 1978 | 31 | 0 |
| 1979 | 25 | 0 |
| 1980 | 44 | 0 |
| 1981 | 44 | 0 |
| 1982 | 35 | 0 |
| 1983 | 26 | 0 |
| 1984 | 37 | 0 |
| 1985 | 35 | 0 |
| 1986 | 15 | 0 |
| 1987 | 29 | 0 |
| 1988 | 25 | 0 |
| 1989 | 42 | 0 |
| 1990 | 29 | 0 |
| 1991 | 29 | 0 |
| 1992 | 42 | 0 |
| 1993 | 34 | 0 |
| 1994 | 35 | 0 |
| 1995 | 29 | 0 |
| 1996 | 21 | 0 |
| 1997 | 28 | 0 |
| 1998 | 53 | 0 |
| 1999 | 52 | 0 |
| 2000 | 60 | 0 |
| 2001 | 72 | 16 |
| 2002 | 59 | 68 |
| 2003 | 67 | 80 |
| 2004 | 63 | 63 |
| 2005 | 50 | 89 |
| 2006 | 55 | 69 |
| 2007 | 49 | 97 |
| 2008 | 61 | 90 |
| 2009 | 75 | 104 |
| 2010 | 89 | 116 |
| 2011 | 89 | 134 |
| 2012 | 93 | 123 |
| 2013 | 103 | 125 |
| 2014 | 115 | 164 |
| 2015 | 136 | 189 |
| 2016 | 150 | 219 |
| 2017 | 168 | 252 |
| 2018 | 185 | 285 |
| 2019 | 284 | 323 |
| 2020 | 269 | 327 |
| 2021 | 245 | 307 |
| 2022 | 251 | 250 |
| 2023 | 227 | 285 |
| 2024 | 205 | 241 |
| 2025 | 192 | 170 |
| 2026 | 121 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02F 1/153Constructional details2,774
- G02F 1/1514Characterised by the electrochromic material1,666
- G02F 1/163Operation of electrochromic cells1,251
- G02F 1/1503Caused by oxidation-reduction reactions in organic liquid solutions384
- G02F 1/1506Caused by electrodeposition307
- G02F 2001/1502Complementary cellIndexing code206
- G02F 2001/164The electrolyte is made of polymersIndexing code175
Recent patents
- Semifinished lens29 Sep 2026US 12,748,320 B2Hoya Lens Thailand Ltd.
- Regulation and control method for electrochromic device and electronic device29 Sep 2026US 12,748,332 B2Guangyi Intelligent Tech (Suzhou) Co., Ltd.
- Composite pane having electrically controllable optical properties22 Sep 2026US 12,742,988 B2Saint-Gobain Sekurit France
- Electrochromic composition, anti-peep film, and display device22 Sep 2026US 12,742,989 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Layered substrate with reduced blue dot defect density22 Sep 2026US 12,742,990 B2Sage Electrochromics, Inc.
- Electrochromic devices containing Dyes with donor-acceptor structure8 Oct 2026US 2026/0308444 A1Glass Dyenamics, Inc.
- Field of view area selection using electrochromic facets8 Oct 2026US 2026/0309999 A1Google Inc.
- Solution-phase near infrared absorbing and electro-optic visible absorbing devices8 Oct 2026US 2026/0310032 A1Gentex Corporation
- Method and apparatus for controlling electrochromic glass in vehicle8 Oct 2026US 2026/0310033 A1Hyundai Motor Company
- Window assembly for sectional variable light transmission in an aerial vehicle8 Oct 2026US 2026/0310034 A1Airbus Operations GmbH
Most cited
By later US patents
- Stable conjugated polymer electrochromic devices incorporating ionic liquids1,453US 6,667,825 B2Santa Fe Science and Technology, Inc. · 2003
- Electrochromic mirrors and devices1,077US 5,724,187 ADonnelly Corporation · 1998
- Electrochromic mirrors and devices1,024US 5,668,663 ADonnelly Corporation · 1997
- Interior rearview mirror assembly with display872US 7,855,755 B2Donnelly Corporation · 2010
- Electro-optic mirror cell868US 7,255,451 B2Donnelly Corporation · 2007