3m Innovative Properties Company

Corning Incorporated

Daniel W Hennen

Michael L Steiner

Marc Dudley Radcliffe

Brett J Sitter

Thomas R Hoffend, Jr

Michael Alan Meis

Eric O Hemberg

John James Stradinger

Douglas D Fletcher

Jayant Chakravarty

Oscar M Hemberg

Jonathan B Arthur

Dennis M Glass

Karl W Bloedorn

Gene B Portelli

Lyle L Luppes

Audrey A Sherman

Evan L Schwartz

Scott Melvyn Tapio

Mark J Pellerite

Gary Timothy Boyd

John P Baetzold

Michael E Lauters

Martin B Wolk

Olester Benson, Jr

Michael Benton Free

Robert S Moshrefzadeh

Lan Hong Liu

John C Nelson

Vivian Wynne Jones

Steven J McMan

Patrick A Thomas

Marie A Boulos

Justin P Meyer

Andrew John Ouderkirk

Jacques Gollier

David B Olson

Mikhail L Pekurovsky

Encai Hao

Kevin R Schaffer

James Andrew West

Bing Hao

Manoj Nirmal

Charles A Marttila

Jeffrey L Solomon

Kanta Kumar

John F Reed

Brent R Hansen

Chi Zhang

Ellen Marie Kosik Williams

Mary M Pichotta

Matthew M Philippi

Michael A Meis

Steven J Mcman

Thomas R Hoffend

Jr Thomas R Hoffend

Ellen Marie Kosik-Williams

An optical adhesive including a viscoelastic or elastomeric adhesive layer and a cured polymer layer immediately adjacent the viscoelastic or elastomeric adhesive layer is described. The viscoelastic or elastomeric adhesive layer a refractive index less than 1.570 and the cured polymer layer has a refractive index of at least 1.570. An interface between the viscoelastic or elastomeric adhesive layer and the cured polymer layer is structured. The cured polymer layer has a storage modulus of at least 2000 MPa at 20&#xb0; C. and a glass transition temperature of no more than 65&#xb0; C.

Optical adhesive

An air filter includes filter media, a sensor, and circuitry coupled to the sensor, the circuitry configured to receive data from the sensor representative of the condition of the filter media and wirelessly transmit such data. The data may be received by a device with a display to use the information to present an indication of the filter media condition to a user.

Air filter condition sensing

Devices, systems and methods for obtaining data representative of the condition of an air filter media of an air filter installed in a powered air-handling system, and for using such data to present an indication of the air filter media condition to a user. The devices, systems and methods use pressure information representative of at least a downstream pressure of the powered air-handling system.

Surface-modified adhesives may be prepared by contacting an adhesive layer to an at least partially discontinuous layer on a releasing substrate and removing the adhesive layer such that at least a portion of the at least partially discontinuous layer adheres to the adhesive surface. The modified adhesive surface remains an adhesive surface. The modified adhesive layer can be used to prepare adhesive articles, including articles containing multiple surface-modified adhesive layers.

Surface-modified adhesives

An optical stack including a periodically varying optical film layer and a grating assembly for reducing moir&#xe9; is described. The grating assembly includes first and second layers where an interface between the first and second layers define a grating having a peak to valley height and an index contrast. The index contrast multiplied by the peak to valley height may be between 150 nm and 350 nm and the grating has a pitch in the range of 2 micrometers to 50 micrometers. Each of the first and second layers may be viscoelastic or elastomeric adhesive layers, crosslinked resin layers, or soluble resin layers.

Optical stack including a grating

Microoptical layers, glazing units including the microoptical layers, and transfer tapes that may be used to provide the microoptical layers are provided. The transfer tape includes a removable template layer having a structured surface, a backfill layer having a first surface disposed on at least a portion of the structured surface of the template layer, and a microstructured surface opposite the structured surface. The microstructured surface together with a layer disposed on the microstructured surface is an anisotropic diffuser.

Insulated glazing units and microoptical layer including microstructured anisotropic diffuser and methods

A multilayer optical adhesive including a first viscoelastic or elastomeric adhesive layer and a second viscoelastic or elastomeric adhesive layer. A crosslinked or soluble resin layer may be disposed between the first viscoelastic or elastomeric adhesive layer and the second viscoelastic or elastomeric adhesive layer or the first viscoelastic or elastomeric adhesive layer may be immediately adjacent to the second viscoelastic or elastomeric adhesive layer. An interface between immediately adjacent layers is structured and there is a difference in refractive indices across the interface.

Multilayer optical adhesives and methods of making same

Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional. The optical stacks are suitable for reducing sparkle in displays.

Optical stacks for sparkle reduction

Methods of forming laminating adhesive articles include providing a multi-layer article, and a tool with a structured surface. The multi-layer articles include a substrate, an adhesive layer, and a liner or may just include an adhesive layer and a liner. The multi-layer article is placed between the structured surface of the tool and a support surface and the tool is embossed against the liner by applying pressure or a combination of pressure and heat. The embossing causes the structures on the surface of the tool to distort the liner and the adhesive layer but does not distort the substrate. The distortion in the liner is retained upon release of the applied pressure. Upon removal of the liner from the adhesive layer, the structures on the adhesive layer are unstable, but do not immediately collapse.

Method for preparing structured laminating adhesive articles

Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional, or may include a single two-directional grating. The optical stacks include particles selected to give controlled diffusion of light. The optical stacks are suitable for reducing sparkle in displays.

Transfer tapes and methods of making transfer tapes are described. In one aspect, the transfer tape comprises a template layer having a structured surface; a backfill layer disposed on at least a portion of the template layer, the backfill layer having a microstructured surface opposite the structured surface; and a layer disposed adjacent the microstructured surface, wherein the layer disposed adjacent the microstructured surface has a refractive index that differs from the backfill layer. The microstructured surface together with the adjacent layer functions as a diffusive layer, or in other words a diffusive interface. Also described are microoptical glazing and methods of making microoptical glazing as well as insulated glazing units and methods of making insulated glazing units.

Insulated glazing units and microoptical layer comprising microstructured diffuser and methods

Growing community of inventors

Cottage Grove, MN, United States of America

Daniel W Hennen