3m Innovative Properties Company

3m Innovative Properties

Encai Hao

William Blake Kolb

John Allen Wheatley

Zhaohui Yang

Michael Benton Free

Michael L Steiner

Audrey A Sherman

Albert I Everaerts

Scott Melvyn Tapio

Robert F Kamrath

Adam D Haag

William D Coggio

Tao Liu

Yongshang Lu

Sergey Lamansky

Fei Lu

Keith R Bruesewitz

Jun-Ying Zhang

Lan Hong Liu

Brant Ulrick Kolb

Guy D Joly

Kevin R Schaffer

Kui Chen-Ho

Matthew S Stay

David Scott Thompson

William F Edmonds

Mikhail L Pekurovsky

Robert L Brott

Tri Dinh Pham

Brian W Ostlie

Kenneth L Smith

Martin B Wolk

Richard John Pokorny

Michael Alan Meis

Mark J Pellerite

Yu Yang

Steven D Solomonson

Eric Wayne Nelson

James P DiZio

Charles David Hoyle

Paul Edward Humpal

Peiwang Zhu

John S Huizinga

Jason S Petaja

Qingbing Wang

Michael F Weber

Thomas P Klun

Terry Lee Smith

Zai-Ming Qiu

Timothy J Nevitt

David B Olson

Gilles J Benoit

Gary Timothy Boyd

Nicholas A Johnson

Dong-Wei Zhu

Bing Hao

Daniel J Schmidt

Richard B Ross

Caleb T Nelson

John James Stradinger

William J Bryan

Nathan E Schultz

Daniel J Theis

Jianhui Xia

Owen M Anderson

Seong Taek Lee

Naiyong Jing

Kevin Michael Lewandowski

Duane Douglas Fansler

Ramesh C Kumar

Douglas Scott Dunn

Mahfuza B Ali

John C Schultz

Marc Dudley Radcliffe

Christopher Bland Walker, Jr

Jason D Clapper

John P Baetzold

Suresh Iyer

Yizhong Wang

David G Freier

Evan L Schwartz

Junkang Jacob Liu

Ross E Behling

Vivian Wynne Jones

David T Yust

Maureen Ann Kavanagh

Ding Wang

David T Amos

Kanta Kumar

Michael J Sykora

Jung-Sheng Wu

Kurt C Melancon

Daniel W Hennen

Taun L McKenzie

Yufeng Liu

Kristy A Gillette

Anthony M Renstrom

Jeffrey A Peterson

Bert T Chien

Timothy D Filiatrault

An organic light emitting diode (OLED) display includes a pixelated OLED display panel and a color-correction component disposed on the pixelated OLED display panel. The pixelated OLED display panel has a ratio of blue-to-red color mixing weights at 30 degrees of β, and a ratio of blue-to-red color mixing weights at 45 degrees of β, where β≥β≥1.05 and 1.5≥β≥1.1. The color-correction component is configured such that a ratio of blue-to-red color mixing weights at 45 degrees of the display is βand a ratio of blue-to-red color mixing weights at 30 degrees of the display is β, where β−0.1≥β≥2.1−βand β−0.05≥β≥2.05−β. Methods of making OLED displays are described.

Organic light emitting diode display with color-correction component having different color mixing weights

A liquid crystal display comprises a backlight module comprising a reflective polarizing film, a light control film and a liquid crystal panel disposed between the backlight module and the light control film. The light control film comprises a light input surface and a light output surface opposite the light input surface and alternating transmissive and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30.

Liquid crystal display having a frontside light control film

An optical system includes an optical film curved about a first axis and a light control film curved about the first axis. The light control film can be disposed between a light source and the optical film. The optical film includes a microstructured first major surface and an opposing second major surface. The microstructured first major surface defines a linear Fresnel lens including a plurality of Fresnel elements extending longitudinally along the first axis. The first major surface of the optical film faces the light control film. The light control film can include a plurality of alternating optically transmissive and optically absorptive regions extending longitudinally along the first axis such that in a cross-section orthogonal to the first axis, for at least a majority of the optically transmissive regions, a centerline between adjacent optically absorptive regions is substantially normal to a major surface of the light control film.

Optical system including light control film and Fresnel lens

An integral optical construction includes a lens layer including a structured first major surface having a plurality of microlenses. An optically opaque mask layer is disposed on the lens layer and defines a plurality of openings. Each of the openings extends from a first major surface of the mask layer facing the lens layer to an opposite second major surface of the mask layer. The openings are in a one-to-one correspondence with the microlenses. Regions of the mask layer between the openings have an optical density of greater than about 2 for at least a first visible wavelength in a visible wavelength range. An optical adhesive layer is disposed on, and makes physical contact with, the second major surface of the mask layer. The optical adhesive layer defines a recess at each of the openings. The recess includes a closed bottom and an opposite open top open to the opening.

Optical constructions for display systems

Phase separated articles that include a matrix phase including an acrylate copolymer; and a silicone elastomer phase stably dispersed in the matrix phase are described. The matrix phase may be derived from precursors comprising from 60 to 95 parts by weight of an alkyl acrylate having an alkyl group having 1 to 14 carbon atoms. Methods of forming phase separated articles, and articles including phase separated articles are also described.

Phase separated articles

An OLED display including a display panel and a color-correction component is described. A plurality of comparative display panels otherwise equivalent to the display panel but having one or more different optical thicknesses of OLED layers have a maximum white-point color shift from 0 to 45 degrees of WPCSand a white-point axial efficiency of WPAE. The plurality of comparative display panels defines a performance curve along a boundary of performance points. The OLED display and the display panel have respective maximum white-point color shifts from 0 to 45 degrees of WPCSand WPCSand respective white-point axial efficiencies of WPAE and WPAE. WPCSand WPAEdefines a performance point of the display panel to the right of the performance curve and WPCSand WPAE defines a performance point of the OLED display above or to the left of the performance curve. Methods of making the OLED display are described.

Organic light emitting diode with color-correction for maximum white-point color shift

An optical system includes a light source, an optical film curved about a first axis, and a light control film curved about the first axis and disposed between the light source and the optical film. The optical film includes a microstructured first major surface and an opposing second major surface. The microstructured first major surface defines a linear Fresnel lens including a plurality of Fresnel elements extending longitudinally along the first axis. The first major surface of the optical film faces the light control film. The light control film includes a plurality of alternating optically transmissive and optically absorptive regions extending longitudinally along the first axis such that in a cross-section orthogonal to the first axis, for at least a majority of the optically transmissive regions, a centerline between adjacent optically absorptive regions is substantially normal to a major surface of the light control film.

Optical system including light control film and fresnel lens

The present invention is an oil-resistant adhesive composition including a hydroxy alkyl (meth)acrylate having an alkyl group containing 2 to 4 carbons, a short alkyl (meth)acrylate having an alkyl group containing 6 or less carbons, and a photo-initiator. After the adhesive composition is soaked in oleic acid at room temperature for 7 days, the adhesive composition has an expansion percent of less than about 10%.

Oil-resistant optically clear adhesives

There is provided a pressure sensitive adhesive composition comprising a polyurethane polymer that comprises the reaction product of a polyisocyanate component and a polyol component. The polyol component has a hydrophilic-lipophilic balance (HLB) less than 10. The polyurethane further comprises 0.5 to 10 wt.-% of hydrophilic polymerized units having an HLB greater than 12, such as a reaction product of a polyethylene glycol polymer. In another embodiment, the polyurethane further comprises pendent ethylenically unsaturated groups. Also described are articles such as laminating tapes and protective films as well as methods of bonding substrates with the pressure sensitive adhesive and laminating tape.

Polyurethane adhesive with chemical resistant

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first a polyolefin-based low WVTR adhesive polymeric matrix having a refractive index n; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein nis different than n.

Polymeric films and display devices containing such films

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein nis different than n.

Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.

Optical construction and display system incorporating same

A unitary optical film stack comprising a light redirecting film assembly; a light diffusion film assembly; and an optical adhesive; wherein the light redirecting film assembly and the light diffusion film assembly are physically coupled non-continuously to minimize optical coupling.

Unitary optical film assembly

Presently described is a method for coupling an optical film to a substrate, laminated optical constructions comprising an optical film and an optical coupling layer disposed on a surface layer of the optical film, and coating compositions useful for optical an optical coupling layer. The coating compositions comprise at least 40 wt.-% inorganic nanoparticles having a refractive index of at least 1.85 and a polymeric silane surface treatment.

Composition comprising surface modified high index nanoparticles suitable for optical coupling layer

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Woodbury, MN, United States of America

Encai Hao