3m Innovative Properties Company

David Scott Thompson

Steven D Solomonson

Catherine A Leatherdale

Zhaohui Yang

Kevin R Schaffer

Peter D Condo

John James Stradinger

John Allen Wheatley

Joseph D Rule

Michael A Johnson

Matthew S Stay

Audrey A Sherman

Ryan M Braun

Richard John Pokorny

Michael Alan Meis

Mikhail L Pekurovsky

Encai Hao

Vivian Wynne Jones

Evan Louis Breedlove

Joseph W Woody, V

Gilles J Benoit

Craig R Schardt

Derek W Patzman

Peihui Zhang

Naiyong Jing

Martin B Wolk

William Blake Kolb

Timothy J Hebrink

Jun-Ying Zhang

Sergey Lamansky

Robert F Kamrath

Justin A Riddle

Brian W Ostlie

Karl J L Geisler

Karissa L Eckert

Robert Stephen Davidson

Andrew K Hartzell

Huang Chin Hung

Todd G Pett

Robert Bennett

Scott J Kienitz

Andrew John Ouderkirk

Thomas P Klun

Moses Mekala David

William Ward Merrill

Kenneth A Epstein

Gary Timothy Boyd

Raymond Patrick Johnston

Robert L Brott

Patrick R Fleming

Larry D Boardman

Tri Dinh Pham

Nicholas A Johnson

Junkang Jacob Liu

Joan M Noyola

Shawn C Dodds

William J Bryan

Charles N DeVore

Larry A Meixner

Michael E Lauters

Qingbing Wang

Chad M Amb

Kayla A Hagens

Lyudmila A Pekurovsky

Jonah Shaver

James A Thielen

Jon P Nietfeld

Steven G Lucht

Robert L Erwin

Joseph W Woody

Leslie A Todero

Chien-Chih Chiang

David A Berry

Hannah E Walsh

Vivan W Jones

A display film includes a transparent cross-linked polyurethane acrylate layer. The transparent cross-linked polyurethane acrylate layer having a glass transition temperature of 10 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater.

Polyurethane acrylate protective display film

A nanocomposite includes at least one polymer and metal oxide nanoparticles dispersed in the at least one polymer. Each polymer can have a number average molecular weight of at least 10000 grams/mole. The at least one polymer includes a first polymer including (meth)acrylic acid monomer units. The metal oxide nanoparticles are surface modified with a carboxylic acid silane surface modifying agent. An aqueous dispersion that can be used to make the nanocomposite and a method of making the nanocomposite is described.

Nanocomposites

Nanocomposites include metal oxide nanoparticles and (meth)acrylic acid polymers where the nanoparticles are surface modified with a carboxylic acid silane and where the (meth)acrylic acid polymer is at least partially neutralized. The compositions are transparent, with high transmission and low haze up to very high nanoparticle loading. The compositions also exhibit improved mechanical properties of impact resistance and tensile modulus.

Transparent elastomeric nanocomposites

A nanostructured article includes a substrate; a plurality of first nanostructures disposed on, and extending away from, the substrate; and a covalently crosslinked fluorinated polymeric layer disposed on the plurality of first nanostructures. The plurality of first nanostructures includes polyurethane. The polymeric layer at least partially fills spaces between the first nanostructures to an average minimum height above the substrate of at least 30 nm such that the polymeric layer has a nanostructured surface defined by, and facing away from, the plurality of first nanostructures.

Nanostructured article

A hardcoat composition includes one or more multifunctional (meth)acrylate monomers, and a nanoparticle mixture dispersed within the one or more multifunctional (meth)acrylate monomers. The nanoparticle mixture includes a first population of semi-reactive nanoparticles having an average particle diameter in a range from 5 nm to 60 nm, and a second population of non-reactive nanoparticles having an average particle diameter in a range from 5 nm to 60 nm.

Flexible hardcoat

A hardcoat composition includes one or more multifunctional (meth)acrylate monomers, and a nanoparticle mixture dispersed within the one or more multifunctional (meth)acrylate monomers. The nanoparticle mixture includes a first population of semi-reactive nanoparticles having an average particle diameter in a range from 5 nm to 60 nm, and a second population of reactive nanoparticles having an average particle diameter in a range from 5 nm to 60 nm.

A hardcoat composition includes one or more multifunctional (meth)acrylate monomers, and a population of semi-reactive nanoparticles dispersed within the one or more multifunctional (meth)acrylate monomers. The population of semi-reactive nanoparticles have an average particle diameter in a range from 5 nm to 60 nm.

A display film includes a transparent polymeric substrate layer and a transparent energy dissipation layer disposed on the transparent polymeric substrate layer. The transparent energy dissipation layer includes cross-linked polyurethane and a polyacrylate polymer. The transparent energy dissipation layer has a glass transition temperature of 27 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater.

Dual cure protective display film

A display film includes a transparent glass layer having a thickness of 250 micrometers or less, or in a range from 25 to 100 micrometers. A transparent energy dissipation layer is fixed to the transparent glass layer. The transparent energy dissipation layer has a glass transition temperature of 27 degrees Celsius or less, a Tan Delta peak value of 0.5 or greater, or from 1 to 2 and a Young's Modulus (E') greater than 0.9 MPa over a temperature range of &#x2212;40 degrees Celsius to 70 degrees Celsius. In a preferred embodiment, the transparent energy dissipation layer comprises a cross-linked polyurethane layer or a cross-linked polyurethane acrylate layer.

Protective display film with glass

A display film includes a transparent polymeric substrate layer having a 0.2% offset yield stress greater than 110 MPa and a transparent aliphatic cross-linked polyurethane layer having a thickness of 100 micrometers or less disposed on the transparent polymeric substrate layer. The transparent aliphatic cross-linked polyurethane layer has a glass transition temperature in a range from 11 to 27 degrees Celsius and a Tan Delta peak value in a range from 0.5 to 2.5. The display film has a haze value of 2% or less.

Thin protective display film

A display film includes a transparent cross-linked polyurethane layer. The transparent cross-linked polyurethane layer having a glass transition temperature of 10 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater.

Low Tg polyurethane protective display film

A display film comprises a transparent glass layer including two or more co-planar glass layer segments and a thickness defined by a first major surface and a second major surface opposing the first major surface being less than 500 micrometers; interstitial polymer material separating adjacent segments; and transparent energy dissipation layer having a glass transition temperature of 27 degrees Celsius or less and a Tan Delta peak value of 0.5 or greater and being disposed on the first major surface.

Segmented protective display film

A display panel assembly is made by optically bonding a display panel and a substantially transparent substrate. Optical bonding is carried out by forming a silicon-containing optical bonding layer having regions of different physical properties

Display panel assembly and methods of making same

Optical systems are disclosed. More particularly, optical systems including an asymmetric turning film () with at least a first () and second light source () are disclosed. Selection of geometries for the asymmetric turning film can enable different output viewing angles depending on the selective illumination of the first light source, the second light source, or both. The optical systems disclosed may be suitable in both luminaires and displays.

Asymmetric turning film with multiple light sources

Growing community of inventors

West Lakeland, MN, United States of America

David Scott Thompson