G02F 1/1681
Having two or more microcells partitioned by walls
Official title: having two or more microcells partitioned by walls, e.g. of microcup type
G02F1/1681 (Having two or more microcells partitioned by walls) appears on 435 US grants and 571 published applications in this corpus.
Search patents in G02F- Granted patents
- 435
- Published applications
- 571
- Assignees
- 124
- Inventors
- 823
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 8 |
| 2004 | 2 | 8 |
| 2005 | 7 | 10 |
| 2006 | 6 | 10 |
| 2007 | 8 | 18 |
| 2008 | 13 | 27 |
| 2009 | 10 | 27 |
| 2010 | 20 | 35 |
| 2011 | 24 | 40 |
| 2012 | 27 | 42 |
| 2013 | 33 | 26 |
| 2014 | 38 | 29 |
| 2015 | 25 | 30 |
| 2016 | 33 | 38 |
| 2017 | 17 | 32 |
| 2018 | 24 | 26 |
| 2019 | 24 | 25 |
| 2020 | 19 | 19 |
| 2021 | 17 | 16 |
| 2022 | 16 | 14 |
| 2023 | 19 | 31 |
| 2024 | 13 | 19 |
| 2025 | 23 | 31 |
| 2026 | 14 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable light transmission device comprising electrophoretic medium having light reflective pigment particles25 Aug 2026US 12,717,201 B2E Ink Corporation
- Display panel and display device18 Aug 2026US 12,710,679 B2Shanghai Tianma Micro-Electronics Co., Ltd.
- Electrophoretic media comprising electrophoretic particles and a combination of charge control agents4 Aug 2026US 12,699,288 B2E Ink Corporation
- Variable light transmission device comprising electrophoretic medium having a compination of light reflective and light absorbing pigment particles28 Jul 2026US 12,693,568 B2E Ink Corporation
- Thin-film transistor display panel and manufacturing method thereof26 May 2026US 12,638,741 B2Hkc Corporation Limited
- Foldable display device27 Aug 2026US 2026/0251946 A1E Ink Holdings Inc.
- Display panel, display apparatus, and manufacturing method for display panel18 Jun 2026US 2026/0169342 A1Shanghai Tiamna Microelectronics co., Ltd.
- An electrowetting optical element21 May 2026US 2026/0140421 A1Miortech Holding B.V.
- Electrophoresis display with support structure16 Apr 2026US 2026/0104617 A1Superc-Touch Corporation
- Piezo-electrophoretic film including patterned piezo polarities for creating images via electrophoretic media19 Mar 2026US 2026/0079377 A1E Ink Corporation
Most cited
By later US patents
- Components and methods for use in electro-optic displays580US 6,982,178 B2E Ink Corporation · 2006
- Light modulators345US 7,327,511 B2E Ink Corporation · 2008
- Methods for driving electrophoretic displays using dielectrophoretic forces253US 7,999,787 B2E Ink Corporation · 2011
- Electrophoretic display241US 7,715,088 B2SiPix Imaging, Inc. · 2010
- Microstructure film216US 9,279,906 B2E Ink California, LLC · 2016