Additive particles for improving optical performance of an electrophoretic display
US-10578943-B2 · Mar 3, 2020 · US
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Sprague Robert A patents
Sprague Robert A is listed as an inventor on 22 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sprague Robert A |
| Total patents | 22 |
| First publication | Mar 10, 2015 |
| Latest publication | Mar 3, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Driving methods and circuit for bi-stable displays
US-10535312-B2 · Jan 14, 2020 · US
Electrophoretic dispersion including charged pigment particles, uncharged additive nanoparticles, and uncharged neutral density particles
US-10288975-B2 · May 14, 2019 · US
Driving methods and circuit for bi-stable displays
US-2018277045-A1 · Sep 27, 2018 · US
Driving methods and circuit for bi-stable displays
US-10002575-B2 · Jun 19, 2018 · US
Electrophoretic dispersion including charged pigment particles, uncharged additive nanoparticles, and uncharged neutral density particles
US-2018059500-A1 · Mar 1, 2018 · US
Additive particles for improving optical performance of an electrophoretic display
US-2017357137-A1 · Dec 14, 2017 · US
Electrophoretic dispersion
US-9835926-B2 · Dec 5, 2017 · US
Additive particles for improving optical performance of an electrophoretic display
US-9778537-B2 · Oct 3, 2017 · US
Driving methods and waveforms for electrophoretic displays
US-2016365022-A1 · Dec 15, 2016 · US
Recent patents
Latest publications not already listed above.
Driving methods and circuit for bi-stable displays
US-2016335956-A1 · Nov 17, 2016 · US
Additive particles for improving optical performance of an electrophoretic display
US-2016139483-A1 · May 19, 2016 · US
Electrophoretic display design
US-9291872-B1 · Mar 22, 2016 · US
Driving bistable displays
US-9171508-B2 · Oct 27, 2015 · US
Color tuning for electrophoretic display device
US-2015301246-A1 · Oct 22, 2015 · US
Electrophoretic display with enhanced contrast
US-9140952-B2 · Sep 22, 2015 · US
Electrophoretic dispersion
US-2015248045-A1 · Sep 3, 2015 · US
Electrophoretic dispersion
US-9052564-B2 · Jun 9, 2015 · US
Composite display modules
US-9030374-B2 · May 12, 2015 · US
Driving methods for electrophoretic displays employing grey level waveforms
US-9019318-B2 · Apr 28, 2015 · US
Color electrophoretic display
US-9013783-B2 · Apr 21, 2015 · US
Color display devices
US-8976444-B2 · Mar 10, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| E Ink California Llc | 23 |
| Sipix Imaging Inc | 4 |
| Sprague Robert A | 3 |
| Lin Craig | 2 |
| Pham Tin | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G02F1/167 | 14 |
| G02F2001/1678 | 11 |
| G09G3/344 | 8 |
| G09G3/2003 | 6 |
| G09G2230/00 | 4 |