G02F 1/13439
Characterised by their electrical, optical, physical properties
Official title: {characterised by their electrical, optical, physical properties; materials therefor; method of making}
G02F1/13439 (Characterised by their electrical, optical, physical properties) appears on 3,671 US grants and 4,249 published applications in this corpus.
Search patents in G02F- Granted patents
- 3,671
- Published applications
- 4,249
- Assignees
- 728
- Inventors
- 6,397
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 16 | 0 |
| 1997 | 14 | 0 |
| 1998 | 25 | 0 |
| 1999 | 18 | 0 |
| 2000 | 24 | 0 |
| 2001 | 32 | 21 |
| 2002 | 29 | 47 |
| 2003 | 39 | 46 |
| 2004 | 34 | 46 |
| 2005 | 30 | 60 |
| 2006 | 34 | 61 |
| 2007 | 42 | 78 |
| 2008 | 25 | 63 |
| 2009 | 50 | 80 |
| 2010 | 56 | 86 |
| 2011 | 70 | 82 |
| 2012 | 71 | 107 |
| 2013 | 77 | 122 |
| 2014 | 93 | 154 |
| 2015 | 137 | 290 |
| 2016 | 253 | 470 |
| 2017 | 346 | 510 |
| 2018 | 396 | 348 |
| 2019 | 367 | 345 |
| 2020 | 296 | 214 |
| 2021 | 215 | 238 |
| 2022 | 198 | 197 |
| 2023 | 172 | 168 |
| 2024 | 193 | 198 |
| 2025 | 145 | 150 |
| 2026 | 53 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Layered substrate with reduced blue dot defect density22 Sep 2026US 12,742,990 B2Sage Electrochromics, Inc.
- Metalens array and display device having same15 Sep 2026US 12,736,716 B2Chiun Mai Communication Systems, Inc.
- Graduated electro-optic device and method15 Sep 2026US 12,736,845 B2Alphamicron Incorporated
- Ink composition, film using the same, and electrophoretic display device8 Oct 2026US 2026/0308408 A1Samsung Display Co., Ltd.
- Polymer dispersed liquid crystal film and method of producing the same1 Oct 2026US 2026/0299348 A1Nitto Denko Corporation
- Creating radial refractive index patterns in liquid crystal material1 Oct 2026US 2026/0299359 A1
- Light control sheet, light control device, and method for producing light control sheet1 Oct 2026US 2026/0299364 A1Toppan Holdings Inc.
- Transparent display and switchable 2d/3d transparent display24 Sep 2026US 2026/0287919 A1AUO Corporation
Most cited
By later US patents
- Electronically addressable microencapsulated ink and display thereof597US 6,120,588 AE Ink Corporation · 2000
- Electrophoretic displays using nanoparticles501US 6,323,989 B1E Ink Corporation · 2001
- Electrophoretic displays using nanoparticles466US 6,538,801 B2E Ink Corporation · 2003
- Semiconductor electro-optical device399US 5,847,410 ASemiconductor Energy Laboratory Co.Ltd. · 1998
- Retroreflective electrophoretic displays and materials for making the same379US 6,262,706 B1E Ink Corporation · 2001