Kenneth A. Epstein

Person

St. Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
High transmission light control film
- Patent number 11,947,135
- Issue date Apr 2, 2024
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Grant
High transmission light control film
- Patent number 11,940,689
- Issue date Mar 26, 2024
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Grant
High transmission light control film
- Patent number 11,885,989
- Issue date Jan 30, 2024
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Grant
Optical system with switchable diffuser
- Patent number 11,708,962
- Issue date Jul 25, 2023
- 3M Innovative Properties Company
- John A. Wheatley
- G02 - OPTICS
Information Patent Grant
Multiplexing backlight with asymmetric turning film
- Patent number 11,585,966
- Issue date Feb 21, 2023
- 3M Innovative Properties Company
- Kenneth A. Epstein
- F21 - LIGHTING
Information Patent Grant
High transmission light control film
- Patent number 11,550,183
- Issue date Jan 10, 2023
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Grant
Light control film with turning film and lenticular diffuser for vi...
- Patent number 11,448,814
- Issue date Sep 20, 2022
- 3M Innovative Properties Company
- Robert M. Emmons
- G02 - OPTICS
Information Patent Grant
Asymmetric turning film with top-hat light output distributions
- Patent number 11,307,333
- Issue date Apr 19, 2022
- 3M Innovative Properties Company
- Robert M. Emmons
- F21 - LIGHTING
Information Patent Grant
Retroreflecting article including retarder
- Patent number 11,300,716
- Issue date Apr 12, 2022
- 3M Innovative Properties Company
- John A. Wheatley
- G02 - OPTICS
Information Patent Grant
Backlight including wide-web turning film and reflective polarizer...
- Patent number 11,187,847
- Issue date Nov 30, 2021
- 3M Innovative Properties Company
- Quinn D. Sanford
- G02 - OPTICS
Information Patent Grant
Light control film with turning film and lenticular diffuser for vi...
- Patent number 11,099,314
- Issue date Aug 24, 2021
- 3M Innovative Properties Company
- Kenneth A. Epstein
- G02 - OPTICS
Information Patent Grant
Multiplexing backlight with asymmetric turning film
- Patent number 10,955,592
- Issue date Mar 23, 2021
- 3M Innovative Properties Company
- Kenneth A. Epstein
- F21 - LIGHTING
Information Patent Grant
Collimating step-wedge light guide
- Patent number 10,837,622
- Issue date Nov 17, 2020
- 3M Innovative Properties Company
- Kenneth A. Epstein
- F21 - LIGHTING
Information Patent Grant
Light control film for display assemblies
- Patent number 10,809,445
- Issue date Oct 20, 2020
- 3M Innovative Properties Company
- Nicholas A. Johnson
- G02 - OPTICS
Information Patent Grant
Collimating light guide
- Patent number 10,732,344
- Issue date Aug 4, 2020
- 3M Innovative Properties Company
- Kenneth A. Epstein
- G02 - OPTICS
Information Patent Grant
Temporally multiplexing backlight with asymmetric turning film
- Patent number 10,388,230
- Issue date Aug 20, 2019
- 3M Innovative Properties Company
- Nicholas A. Johnson
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Asymmetric turning film with multiple light sources
- Patent number 10,371,350
- Issue date Aug 6, 2019
- 3M Innovative Properties Company
- Nicholas A. Johnson
- G02 - OPTICS
Information Patent Grant
Optical film
- Patent number 10,288,796
- Issue date May 14, 2019
- 3M Innovative Properties Company
- Gary T. Boyd
- G02 - OPTICS
Information Patent Grant
Optical film stack with retardance layer having in-plane retardance...
- Patent number 10,114,162
- Issue date Oct 30, 2018
- 3M Innovative Properties Company
- Kenneth A. Epstein
- G02 - OPTICS
Information Patent Grant
Object sensor
- Patent number 10,031,260
- Issue date Jul 24, 2018
- 3M Innovative Properties Company
- Scott E. Brigham
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Higher transmission light control film comprising a transmissive re...
- Patent number 9,804,311
- Issue date Oct 31, 2017
- 3M Innovative Properties Company
- Gary E. Gaides
- G02 - OPTICS
Information Patent Grant
Antireflective OLED construction
- Patent number 9,773,847
- Issue date Sep 26, 2017
- 3M Innovative Properties Company
- Kenneth A. Epstein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emissive display with hybrid polarizer
- Patent number 9,761,843
- Issue date Sep 12, 2017
- 3M Innovative Properties Company
- Adam D. Haag
- G02 - OPTICS
Information Patent Grant
Systems and methods for controlling backlight output characteristics
- Patent number 9,690,038
- Issue date Jun 27, 2017
- 3M Innovative Properties Company
- Gary T. Boyd
- G02 - OPTICS
Information Patent Grant
Higher transmission light control film
- Patent number 9,335,449
- Issue date May 10, 2016
- 3M Innovative Properties Company
- Gary E. Gaides
- G02 - OPTICS
Information Patent Grant
Brightness enhancing film and film based diffuser for improved illu...
- Patent number 9,001,286
- Issue date Apr 7, 2015
- 3M Innovative Properties Company
- Kenneth A. Epstein
- G02 - OPTICS
Information Patent Grant
Hollow backlight with structured films
- Patent number 8,848,132
- Issue date Sep 30, 2014
- 3M Innovative Properties Company
- Mark B. O'Neill
- G02 - OPTICS
Information Patent Grant
Light injection coupler for coupling light guides
- Patent number 8,794,809
- Issue date Aug 5, 2014
- 3M Innovative Properties Company
- David J. Lundin
- G02 - OPTICS
Information Patent Grant
Hollow backlight with tilted light source
- Patent number 8,757,858
- Issue date Jun 24, 2014
- 3M Innovative Properties Company
- David J. W. Aastuen
- G02 - OPTICS
Information Patent Grant
Back-lit displays with high illumination uniformity
- Patent number 8,690,373
- Issue date Apr 8, 2014
- 3M Innovative Properties Company
- Kenneth A. Epstein
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
HIGH TRANSMISSION LIGHT CONTROL FILM
- Publication number 20240192544
- Publication date Jun 13, 2024
- 3M Innovative Properties Company
- Daniel J. SCHMIDT
- G02 - OPTICS
Information Patent Application
HIGH TRANSMISSION LIGHT CONTROL FILM
- Publication number 20240118463
- Publication date Apr 11, 2024
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Application
HIGH TRANSMISSION LIGHT CONTROL FILM
- Publication number 20230109003
- Publication date Apr 6, 2023
- 3M Innovative Properties Company
- Daniel J. SCHMIDT
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM WITH SWITCHABLE DIFFUSER
- Publication number 20220214027
- Publication date Jul 7, 2022
- 3M Innovative Properties Company
- John A. Wheatley
- F21 - LIGHTING
Information Patent Application
LIGHT CONTROL FILM WITH TURNING FILM AND LENTICULAR DIFFUSER FOR VI...
- Publication number 20220019014
- Publication date Jan 20, 2022
- 3M Innovative Properties Company
- Robert M. EMMONS
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL FILM
- Publication number 20220019007
- Publication date Jan 20, 2022
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL FILM WITH TURNING FILM AND LENTICULAR DIFFUSER FOR VI...
- Publication number 20210382222
- Publication date Dec 9, 2021
- 3M Innovative Properties Company
- Kenneth A. EPSTEIN
- G02 - OPTICS
Information Patent Application
HIGH TRANSMISSION LIGHT CONTROL FILM
- Publication number 20210333624
- Publication date Oct 28, 2021
- 3M Innovative Properties Company
- Daniel J. SCHMIDT
- G02 - OPTICS
Information Patent Application
Backlight Including Wide-Web Turning Film and Reflective Polarizer...
- Publication number 20210278586
- Publication date Sep 9, 2021
- 3M INNOVATIVE PROPERTIES COMPANY
- Quinn D. Sanford
- G02 - OPTICS
Information Patent Application
MULTIPLEXING BACKLIGHT WITH ASYMMETRIC TURNING FILM
- Publication number 20210165138
- Publication date Jun 3, 2021
- 3M Innovative Properties Company
- Kenneth A. EPSTEIN
- G02 - OPTICS
Information Patent Application
HIGH TRANSMISSION LIGHT CONTROL FILM
- Publication number 20200400865
- Publication date Dec 24, 2020
- 3M Innovative Properties Company
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Application
HIGH TRANSMISSION LIGHT CONTROL FILM
- Publication number 20200341173
- Publication date Oct 29, 2020
- 3M INNOVATIVE PROPERTIES COMPANY
- Daniel J. Schmidt
- G02 - OPTICS
Information Patent Application
FACETED MICROSTRUCTURED SURFACE
- Publication number 20200142104
- Publication date May 7, 2020
- 3M Innovative Properties Company
- David A. Rosen
- G02 - OPTICS
Information Patent Application
FACETED MICROSTRUCTURED SURFACE
- Publication number 20200064525
- Publication date Feb 27, 2020
- 3M Innovative Properties Company
- Kristopher J. Derks
- G02 - OPTICS
Information Patent Application
MULTIPLEXING BACKLIGHT WITH ASYMMETRIC TURNING FILM
- Publication number 20200057343
- Publication date Feb 20, 2020
- 3M Innovative Properties Company
- Kenneth A. EPSTEIN
- G02 - OPTICS
Information Patent Application
RETROREFLECTING ARTICLE INCLUDING RETARDER
- Publication number 20200003935
- Publication date Jan 2, 2020
- 3M Innovative Properties Company
- John A. Wheatley
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL FILM FOR DISPLAY ASSEMBLIES
- Publication number 20190346615
- Publication date Nov 14, 2019
- 3M Innovative Properties Company
- Nicholas A. JOHNSON
- G02 - OPTICS
Information Patent Application
ASYMMETRIC TURNING FILM WITH TOP-HAT LIGHT OUTPUT DISTRIBUTIONS
- Publication number 20190339427
- Publication date Nov 7, 2019
- 3M Innovative Properties Company
- Robert M. EMMONS
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL FILM WITH TURNING FILM AND LENTICULAR DIFFUSER FOR VI...
- Publication number 20190339438
- Publication date Nov 7, 2019
- 3M Innovative Properties Company
- Kenneth A. EPSTEIN
- G02 - OPTICS
Information Patent Application
COLLIMATING LIGHT GUIDE
- Publication number 20180267228
- Publication date Sep 20, 2018
- 3M Innovative Properties Company
- Kenneth A. EPSTEIN
- G02 - OPTICS
Information Patent Application
COLLIMATING STEP-WEDGE LIGHT GUIDE
- Publication number 20180246266
- Publication date Aug 30, 2018
- 3M Innovative Properties Company
- Kenneth A. EPSTEIN
- G02 - OPTICS
Information Patent Application
OPTICAL FILM
- Publication number 20180100963
- Publication date Apr 12, 2018
- 3M Innovative Properties Company
- Gary T. Boyd
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM WITH SWITCHABLE DIFFUSER
- Publication number 20180003364
- Publication date Jan 4, 2018
- 3M Innovative Properties Company
- John A. Wheatley
- G02 - OPTICS
Information Patent Application
ASYMMERTIC TURNING FILM WITH MULTIPLE LIGHT SOURCES
- Publication number 20170175976
- Publication date Jun 22, 2017
- 3M INNOVATIVE PROPERTIES COMPANY
- Nicholas A. Johnson
- G02 - OPTICS
Information Patent Application
TEMPORALLY MULTIPLEXING BACKLIGHT WITH ASYMMERTIC TURNING FILM
- Publication number 20170116930
- Publication date Apr 27, 2017
- 3M Innovative Properties Company
- Nicholas A. Johnson
- G02 - OPTICS
Information Patent Application
OBJECT SENSOR
- Publication number 20160320525
- Publication date Nov 3, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Scott E. BRIGHAM
- G01 - MEASURING TESTING
Information Patent Application
HIGHER TRANSMISSION LIGHT CONTROL FILM
- Publication number 20160216420
- Publication date Jul 28, 2016
- 3M Innovative Properties Company
- Gary E. Gaides
- G02 - OPTICS
Information Patent Application
ANTIREFLECTIVE OLED CONSTRUCTION
- Publication number 20160118448
- Publication date Apr 28, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Kenneth A. Epstein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMISSIVE DISPLAY WITH HYBRID POLARIZER
- Publication number 20150325813
- Publication date Nov 12, 2015
- 3M INNOVATIVE PROPERTIES COMPANY
- Adam D. HAAG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMISSIVE DISPLAY WITH REFLECTIVE POLARIZER
- Publication number 20150325816
- Publication date Nov 12, 2015
- 3M INNOVATIVE PROPERTIES COMPANY
- Adam D. HAAG
- G02 - OPTICS

Kenneth A. Epstein

Person

Patents Grantslast 30 patents

High transmission light control film

High transmission light control film

High transmission light control film

Optical system with switchable diffuser

Multiplexing backlight with asymmetric turning film

High transmission light control film

Light control film with turning film and lenticular diffuser for vi...

Asymmetric turning film with top-hat light output distributions

Retroreflecting article including retarder

Backlight including wide-web turning film and reflective polarizer...

Light control film with turning film and lenticular diffuser for vi...

Multiplexing backlight with asymmetric turning film

Collimating step-wedge light guide

Light control film for display assemblies

Collimating light guide

Temporally multiplexing backlight with asymmetric turning film

Asymmetric turning film with multiple light sources

Optical film

Optical film stack with retardance layer having in-plane retardance...

Object sensor

Higher transmission light control film comprising a transmissive re...

Antireflective OLED construction

Emissive display with hybrid polarizer

Systems and methods for controlling backlight output characteristics

Higher transmission light control film

Brightness enhancing film and film based diffuser for improved illu...

Hollow backlight with structured films

Light injection coupler for coupling light guides

Hollow backlight with tilted light source

Back-lit displays with high illumination uniformity

Patents Applicationslast 30 patents

HIGH TRANSMISSION LIGHT CONTROL FILM

HIGH TRANSMISSION LIGHT CONTROL FILM

HIGH TRANSMISSION LIGHT CONTROL FILM

OPTICAL SYSTEM WITH SWITCHABLE DIFFUSER

LIGHT CONTROL FILM WITH TURNING FILM AND LENTICULAR DIFFUSER FOR VI...

LIGHT CONTROL FILM

LIGHT CONTROL FILM WITH TURNING FILM AND LENTICULAR DIFFUSER FOR VI...

HIGH TRANSMISSION LIGHT CONTROL FILM

Backlight Including Wide-Web Turning Film and Reflective Polarizer...

MULTIPLEXING BACKLIGHT WITH ASYMMETRIC TURNING FILM

HIGH TRANSMISSION LIGHT CONTROL FILM

HIGH TRANSMISSION LIGHT CONTROL FILM

FACETED MICROSTRUCTURED SURFACE

FACETED MICROSTRUCTURED SURFACE

MULTIPLEXING BACKLIGHT WITH ASYMMETRIC TURNING FILM

RETROREFLECTING ARTICLE INCLUDING RETARDER

LIGHT CONTROL FILM FOR DISPLAY ASSEMBLIES

ASYMMETRIC TURNING FILM WITH TOP-HAT LIGHT OUTPUT DISTRIBUTIONS

LIGHT CONTROL FILM WITH TURNING FILM AND LENTICULAR DIFFUSER FOR VI...

COLLIMATING LIGHT GUIDE

COLLIMATING STEP-WEDGE LIGHT GUIDE

OPTICAL FILM

OPTICAL SYSTEM WITH SWITCHABLE DIFFUSER

ASYMMERTIC TURNING FILM WITH MULTIPLE LIGHT SOURCES

TEMPORALLY MULTIPLEXING BACKLIGHT WITH ASYMMERTIC TURNING FILM

OBJECT SENSOR

HIGHER TRANSMISSION LIGHT CONTROL FILM

ANTIREFLECTIVE OLED CONSTRUCTION

EMISSIVE DISPLAY WITH HYBRID POLARIZER

EMISSIVE DISPLAY WITH REFLECTIVE POLARIZER