Robert Sprague

Person

Saratoga, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for astigmatic correction in electronically tu...
- Patent number 11,815,746
- Issue date Nov 14, 2023
- Amazon Technologies, Inc.
- Jim Weijian Li
- G02 - OPTICS
Information Patent Grant
Tunable liquid crystal lens with electrically tunable axis of astig...
- Patent number 11,442,332
- Issue date Sep 13, 2022
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Wide lateral angle frontlight for use with reflective displays
- Patent number 11,079,630
- Issue date Aug 3, 2021
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Borderless display with curved edges
- Patent number 11,009,762
- Issue date May 18, 2021
- Amazon Technologies, Inc.
- Weihsin Hou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dark line compensation in polarized three-dimensional viewing
- Patent number 10,884,260
- Issue date Jan 5, 2021
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High contrast frontlight structures for reflective displays
- Patent number 10,802,195
- Issue date Oct 13, 2020
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Hybrid displays including electrophoretic displays and light emitti...
- Patent number 10,627,694
- Issue date Apr 21, 2020
- Amazon Technologies, Inc.
- Ming Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Additive particles for improving optical performance of an electrop...
- Patent number 10,578,943
- Issue date Mar 3, 2020
- E Ink California, LLC
- Ming Wang
- G02 - OPTICS
Information Patent Grant
Covers for electronic display elements with improved visibility
- Patent number 10,557,221
- Issue date Feb 11, 2020
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- D03 - WEAVING
Information Patent Grant
Driving methods and circuit for bi-stable displays
- Patent number 10,535,312
- Issue date Jan 14, 2020
- E Ink California, LLC
- Robert A. Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Borderless display with thin profile
- Patent number 10,288,973
- Issue date May 14, 2019
- Amazon Technologies, Inc.
- Siddharth Gupta
- G02 - OPTICS
Information Patent Grant
Borderless display with curved edges
- Patent number 10,288,974
- Issue date May 14, 2019
- Amazon Technologies, Inc.
- Weihsin Hou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrophoretic dispersion including charged pigment particles, unc...
- Patent number 10,288,975
- Issue date May 14, 2019
- E Ink California, LLC
- Robert A. Sprague
- G02 - OPTICS
Information Patent Grant
Structural alignment features for light emitting diode arrays
- Patent number 10,288,797
- Issue date May 14, 2019
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Thin border displays
- Patent number 10,274,804
- Issue date Apr 30, 2019
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Self-healing flexible electrophoretic displays
- Patent number 10,241,377
- Issue date Mar 26, 2019
- Amazon Technologies, Inc.
- Ming Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display stack for borderless electronic displays
- Patent number 10,228,604
- Issue date Mar 12, 2019
- Amazon Technologies, Inc.
- Hany Mounir Ghali
- G02 - OPTICS
Information Patent Grant
Thin border displays
- Patent number 10,185,200
- Issue date Jan 22, 2019
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Driving methods and circuit for bi-stable displays
- Patent number 10,002,575
- Issue date Jun 19, 2018
- E Ink California, LLC
- Robert A. Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dark line compensation in polarized three-dimensional viewing
- Patent number 9,977,252
- Issue date May 22, 2018
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mountable clear displays and projection systems
- Patent number 9,971,151
- Issue date May 15, 2018
- Amazon Technologies, Inc.
- Eric Gifford Marason
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophoretic dispersion
- Patent number 9,835,926
- Issue date Dec 5, 2017
- E Ink California, LLC
- Robert A. Sprague
- G02 - OPTICS
Information Patent Grant
Dark line compensation in polarized three-dimensional viewing
- Patent number 9,778,473
- Issue date Oct 3, 2017
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Additive particles for improving optical performance of an electrop...
- Patent number 9,778,537
- Issue date Oct 3, 2017
- E Ink California, LLC
- Ming Wang
- G02 - OPTICS
Information Patent Grant
Thin border displays
- Patent number 9,568,800
- Issue date Feb 14, 2017
- Amazon Technologies, Inc.
- Robert Arthur Sprague
- G02 - OPTICS
Information Patent Grant
Display component assembly
- Patent number 9,507,162
- Issue date Nov 29, 2016
- Amazon Technologies, Inc.
- Anoop Menon
- G02 - OPTICS
Information Patent Grant
Driving methods and waveforms for electrophoretic displays
- Patent number 9,460,666
- Issue date Oct 4, 2016
- E Ink California, LLC
- Robert Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Additive for improving optical performance of an electrophoretic di...
- Patent number 9,423,666
- Issue date Aug 23, 2016
- E Ink California, LLC
- Ming Wang
- G02 - OPTICS
Information Patent Grant
Driving methods and circuit for bi-stable displays
- Patent number 9,373,289
- Issue date Jun 21, 2016
- E Ink California, LLC
- Robert Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electrophoretic display design
- Patent number 9,291,872
- Issue date Mar 22, 2016
- E Ink California, LLC
- Craig Lin
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SELF-HEALING FLEXIBLE ELECTROPHORETIC DISPLAYS
- Publication number 20190086760
- Publication date Mar 21, 2019
- AMAZON TECHNOLOGIES, INC.
- Ming Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS
- Publication number 20180277045
- Publication date Sep 27, 2018
- E Ink California LLC
- Robert A. SPRAGUE
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTROPHORETIC DISPERSION INCLUDING CHARGED PIGMENT PARTICLES, UNC...
- Publication number 20180059500
- Publication date Mar 1, 2018
- E Ink California, LLC
- Robert A. SPRAGUE
- G02 - OPTICS
Information Patent Application
ADDITIVE PARTICLES FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROP...
- Publication number 20170357137
- Publication date Dec 14, 2017
- E Ink California, LLC
- Ming Wang
- G02 - OPTICS
Information Patent Application
BORDERLESS DISPLAY WITH CURVED EDGES
- Publication number 20170293194
- Publication date Oct 12, 2017
- AMAZON TECHNOLOGIES, INC.
- Weihsin Hou
- G02 - OPTICS
Information Patent Application
DRIVING METHODS AND WAVEFORMS FOR ELECTROPHORETIC DISPLAYS
- Publication number 20160365022
- Publication date Dec 15, 2016
- E Ink California, LLC
- Robert A Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS
- Publication number 20160335956
- Publication date Nov 17, 2016
- E Ink California LLC
- Robert A. SPRAGUE
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ADDITIVE PARTICLES FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROP...
- Publication number 20160139483
- Publication date May 19, 2016
- E Ink California, LLC
- Ming Wang
- G02 - OPTICS
Information Patent Application
COLOR TUNING FOR ELECTROPHORETIC DISPLAY DEVICE
- Publication number 20150301246
- Publication date Oct 22, 2015
- E Ink California, LLC
- HongMei ZANG
- G02 - OPTICS
Information Patent Application
ELECTROPHORETIC DISPERSION
- Publication number 20150248045
- Publication date Sep 3, 2015
- E Ink California, LLC
- Robert A. SPRAGUE
- G02 - OPTICS
Information Patent Application
ADDITIVE FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROPHORETIC DI...
- Publication number 20150062690
- Publication date Mar 5, 2015
- E Ink California, LLC
- Ming Wang
- G02 - OPTICS
Information Patent Application
COLOR ELECTROPHORETIC DISPLAY
- Publication number 20140340737
- Publication date Nov 20, 2014
- Robert A. Sprague
- G02 - OPTICS
Information Patent Application
DRIVING BISTABLE DISPLAYS
- Publication number 20140300651
- Publication date Oct 9, 2014
- SIPIX IMAGING, INC.
- Robert A. SPRAGUE
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTROPHORETIC DISPLAY DEVICE
- Publication number 20140078576
- Publication date Mar 20, 2014
- SIPIX IMAGING, INC.
- Robert A. Sprague
- G02 - OPTICS
Information Patent Application
COLOR DISPLAY DEVICES
- Publication number 20140078036
- Publication date Mar 20, 2014
- SIPIX IMAGING, INC.
- Xiaojia ZHANG
- G02 - OPTICS
Information Patent Application
COLOR TUNING FOR ELECTROPHORETIC DISPLAY DEVICE
- Publication number 20140055840
- Publication date Feb 27, 2014
- SIPIX IMAGING, INC.
- HongMei Zang
- G02 - OPTICS
Information Patent Application
ELECTROPHORETIC DISPERSION
- Publication number 20130250400
- Publication date Sep 26, 2013
- SIPIX IMAGING, INC.
- Robert A. SPRAGUE
- G02 - OPTICS
Information Patent Application
SHUTTER MODE FOR COLOR DISPLAY DEVICES
- Publication number 20130208338
- Publication date Aug 15, 2013
- Ming Wang
- G02 - OPTICS
Information Patent Application
COLOR DISPLAY DEVICES
- Publication number 20130176612
- Publication date Jul 11, 2013
- SIPIX IMAGING, INC.
- Robert A. SPRAGUE
- G02 - OPTICS
Information Patent Application
ADDITIVE FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROPHORETIC DI...
- Publication number 20130077155
- Publication date Mar 28, 2013
- Ming Wang
- G02 - OPTICS
Information Patent Application
COLOR DISPLAY DEVICES
- Publication number 20130057463
- Publication date Mar 7, 2013
- Xiaojia Zhang
- G02 - OPTICS
Information Patent Application
COLOR DISPLAY DEVICES
- Publication number 20130057942
- Publication date Mar 7, 2013
- Xiaojia Wang
- G02 - OPTICS
Information Patent Application
DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS
- Publication number 20120320017
- Publication date Dec 20, 2012
- Robert Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
COLOR ELECTROPHORETIC DISPLAY
- Publication number 20120307346
- Publication date Dec 6, 2012
- Robert SPRAGUE
- G02 - OPTICS
Information Patent Application
DRIVING BISTABLE DISPLAYS
- Publication number 20120274671
- Publication date Nov 1, 2012
- SIPIX IMAGING, INC.
- Robert Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTROPHORETIC DISPLAY FLUID
- Publication number 20120134010
- Publication date May 31, 2012
- Robert A. Sprague
- G02 - OPTICS
Information Patent Application
COMPOSITE DISPLAY MODULES
- Publication number 20110273363
- Publication date Nov 10, 2011
- Robert A. Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTROPHORETIC DISPLAY WITH ENHANCED CONTRAST
- Publication number 20110261433
- Publication date Oct 27, 2011
- Robert A. Sprague
- G02 - OPTICS
Information Patent Application
ELECTROPHORETIC DISPLAY FLUID
- Publication number 20110217639
- Publication date Sep 8, 2011
- Robert A. Sprague
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SPATIALLY COMBINED WAVEFORMS FOR ELECTROPHORETIC DISPLAYS
- Publication number 20110096104
- Publication date Apr 28, 2011
- Robert A. Sprague
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Robert Sprague

Person

Patents Grantslast 30 patents

Method and apparatus for astigmatic correction in electronically tu...

Tunable liquid crystal lens with electrically tunable axis of astig...

Wide lateral angle frontlight for use with reflective displays

Borderless display with curved edges

Dark line compensation in polarized three-dimensional viewing

High contrast frontlight structures for reflective displays

Hybrid displays including electrophoretic displays and light emitti...

Additive particles for improving optical performance of an electrop...

Covers for electronic display elements with improved visibility

Driving methods and circuit for bi-stable displays

Borderless display with thin profile

Borderless display with curved edges

Electrophoretic dispersion including charged pigment particles, unc...

Structural alignment features for light emitting diode arrays

Thin border displays

Self-healing flexible electrophoretic displays

Display stack for borderless electronic displays

Thin border displays

Driving methods and circuit for bi-stable displays

Dark line compensation in polarized three-dimensional viewing

Mountable clear displays and projection systems

Electrophoretic dispersion

Dark line compensation in polarized three-dimensional viewing

Additive particles for improving optical performance of an electrop...

Thin border displays

Display component assembly

Driving methods and waveforms for electrophoretic displays

Additive for improving optical performance of an electrophoretic di...

Driving methods and circuit for bi-stable displays

Electrophoretic display design

Patents Applicationslast 30 patents

SELF-HEALING FLEXIBLE ELECTROPHORETIC DISPLAYS

DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS

ELECTROPHORETIC DISPERSION INCLUDING CHARGED PIGMENT PARTICLES, UNC...

ADDITIVE PARTICLES FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROP...

BORDERLESS DISPLAY WITH CURVED EDGES

DRIVING METHODS AND WAVEFORMS FOR ELECTROPHORETIC DISPLAYS

DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS

ADDITIVE PARTICLES FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROP...

COLOR TUNING FOR ELECTROPHORETIC DISPLAY DEVICE

ELECTROPHORETIC DISPERSION

ADDITIVE FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROPHORETIC DI...

COLOR ELECTROPHORETIC DISPLAY

DRIVING BISTABLE DISPLAYS

ELECTROPHORETIC DISPLAY DEVICE

COLOR DISPLAY DEVICES

COLOR TUNING FOR ELECTROPHORETIC DISPLAY DEVICE

ELECTROPHORETIC DISPERSION

SHUTTER MODE FOR COLOR DISPLAY DEVICES

COLOR DISPLAY DEVICES

ADDITIVE FOR IMPROVING OPTICAL PERFORMANCE OF AN ELECTROPHORETIC DI...

COLOR DISPLAY DEVICES

COLOR DISPLAY DEVICES

DRIVING METHODS AND CIRCUIT FOR BI-STABLE DISPLAYS

COLOR ELECTROPHORETIC DISPLAY

DRIVING BISTABLE DISPLAYS

ELECTROPHORETIC DISPLAY FLUID

COMPOSITE DISPLAY MODULES

ELECTROPHORETIC DISPLAY WITH ENHANCED CONTRAST

ELECTROPHORETIC DISPLAY FLUID

SPATIALLY COMBINED WAVEFORMS FOR ELECTROPHORETIC DISPLAYS