Corning Incorporated

Uwm Reserach Foundation, Inc.

Corning Incorprated

La Corporation De I'ecole Polytechnique De Montreal

Karl William Koch, Iii

Shandon Dee Hart

Charles Andrew Paulson

James Joseph Price

Carlo Anthony Kosik Williams

Robert Alan Bellman

Lin Lin

Jaymin Amin

James Andrew West

Nicholas Francis Borrelli

Xiaoju Guo

Liping Xiong Smith

Wageesha Senaratne

Nicole Taylor Wiles

Douglas Clippinger Allan

Michael Thomas Gallagher

William Allen Wood

Alexandre Michel Mayolet

Joseph Francis Schroeder, Iii

Jesse Kohl

Aize Li

Jill Marie Hall

James C Fajardo

Cameron Robert Nelson

Charlene Marie Smith

Daniel Warren Hawtof

David L Weidman

Jiangwei Feng

Ellen Marie Kosik Williams

Rostislav Vatchev Roussev

Ljerka Ukrainczyk

Natesan Venkataraman

Vitor Marino Schneider

Yuhui Jin

Dale Robert Powers

Kaveh Adib

Jian Luo

Jason Thomas Harris

Adam J G Ellison

Stuart Gray

Keith Leonard House

John T Brown

Leonard Charles Dabich, Ii

Florence Christine Monique Verrier

Ananthanarayanan Subramanian

Dong-gun Moon

Brett Jason Hoover

Lisa C Chacon

Joan Deanna Gregorski

Chang-gyu Kim

Thien An Thi Nguyen

Jenny Kim

Jayantha Senawiratne

Jaques Gollier

Jeonghong Oh

Hannah Shenouda

Dana Craig Bookbinder

Jacques Gollier

George Halsey Beall

Bruce Gardiner Aitken

Jin Su Kim

Robert Anthony Schaut

William James Miller

Timothy James Kiczenski

Alexander Mikhailovich Streltsov

Steven Alvin Tietje

Joel P Carberry

Shenping Li

John H Bruning

John Forrest Wight, Jr

Curtis Robert Fekety

Nicholas James Smith

Paul Arthur Sachenik

James Patrick Hamilton

Cheng-Chung Li

Xu Ouyang

Ludvik Martinu

Christine Coulter Wolcott

Joseph Edward McCarthy

Jian-Zhi Jay Zhang

Jean-Francois Oudard

Heather Bossard Decker

Vasudha Ravichandran

Venkatesh Botu

Ruchirej Yongsunthon

James Patrick Trice

Ling Cai

Andrea Weiss Bookbinder

Eric Louis Null

Bill Baloukas

Douglas S Goodman

Jonathan Michael Mis

Dirk Mueller

Jen-Chieh Lin

Ya-Huei Chang

Albert Peter Heberle

Salman Karbasivalashani

Arash Mafi

Brooke Amber Hathaway

Nicholas M Walker

A glass article is provided that includes: a glass substrate comprising a thickness and a primary surface; and a textured region defined by the primary surface. The textured region comprises a low spatial frequency region and a high spatial frequency region substantially superimposed within the low spatial frequency region. Further, the low spatial frequency region comprises an average lateral feature size that exceeds an average lateral feature size of the high spatial frequency region. In addition, the textured region comprises a surface roughness (R) from about 10 nm to about 1000 nm.

Textured, antiglare glass articles and methods of making the same

A substrate for a display article includes: a primary surface; a textured region on at least a portion of the primary surface, the textured region comprising surface features that reflect a random distribution, each of the surface features comprising a perimeter that is parallel to a base-plane extending through a thickness of the substrate below the textured region, wherein the perimeter is elliptical. The textured region can further include (i) one or more higher surfaces residing at a higher mean elevation from the base-plane and (ii) one or more lower surfaces residing at a lower mean elevation from the base-plane that is closer to the base-plane than the higher mean elevation. The higher mean elevation can differ from the lower mean elevation by a distance within a range of 0.05 μm to 0.70 μm.

Textured region of a substrate to reduce specular reflectance incorporating surface features with an elliptical perimeter or segments thereof, and method of making the same

A colored glass article includes from 40 mol % to 70 mol % SiO; from 8 mol % to 20 mol % AlO; from 1 mol % to 10 mol % BO; from 1 mol % to 20 mol % LiO; from 1 mol % to 15 mol % NaO; from 0 mol % to 8 mol % MgO; from 0 mol % to 5 mol % ZnO; and from 0.0005 mol % to 1 mol % Au. MgO+ZnO is from 0.1 mol % to 6 mol %.

Colored glass articles having improved mechanical durability

A display article is described herein that includes: a substrate comprising a thickness and a primary surface; a textured surface region; and an antireflective coating disposed on the textured surface region. The textured surface region comprises structural features and an average texture height (R) from 50 nm to 300 nm. The substrate exhibits a sparkle of less than 5%, as measured by PPD, and a transmittance haze of less than 40%, at a 0° incident angle. The antireflective coating comprises alternating high refractive index and low refractive index layers. Each of the low index layers comprises a refractive index of less than or equal to 1.8, and each of the high index layers comprises a refractive index of greater than 1.8. The article also exhibits a first-surface average photopic specular reflectance (% R) of less than 0.3% at any incident angle from about 5° to 20° from normal at visible wavelengths.

Display articles with antiglare surfaces and thin, durable antireflection coatings

A display article is described herein that includes: a substrate comprising a thickness and a primary surface; and the primary surface having defined thereon a diffractive surface region. The diffractive surface region comprises a plurality of structural features that comprises a plurality of different heights in a multimodal distribution. Further, the substrate exhibits a sparkle of less than 4%, as measured by pixel power deviation (PPD) at an incident angle of 0° from normal, a distinctness of image (DOI) of less than 80% at an incident angle of 20° from normal, and a transmittance haze of less than 20% from an incident angle of 0° from normal.

Display articles with diffractive, antiglare surfaces and methods of making the same

A colored glass article includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO, greater than or equal to 10 mol % and less than or equal to 17.5 mol % AlO, greater than or equal to 3 mol % and less than or equal to 10 mol % BO, greater than or equal to 8.8 mol % and less than or equal to 14 mol % LiO, greater than or equal to 1.5 mol % and less than or equal to 8 mol % NaO, and greater than 0 mol % and less than or equal to 2 mol % CrO. RO+RO−AlOis greater than or equal to 0.5 mol % and less than or equal to 6 mol %. AlO+MgO+ZnO is greater than or equal to 12 mol % and less than or equal to 22 mol %.

A transparent article is described herein that includes: a glass-ceramic substrate comprising first and second primary surfaces opposing one another and a crystallinity of at least 40% by weight; and an optical film structure disposed on the first primary surface. The optical film structure comprises a plurality of alternating high refractive index (RI) and low RI layers and a scratch-resistant layer. The article also exhibits an average photopic transmittance of greater than 80% and a maximum hardness of greater than 10 GPa, as measured by a Berkovich Hardness Test over an indentation depth range from about 100 nm to about 500 nm. The glass-ceramic substrate comprises an elastic modulus of greater than 85 GPa and a fracture toughness of greater than 0.8 MPa·√m. Further, the optical film structure exhibits a residual compressive stress of ≥700 MPa and an elastic modulus of ≥140 GPa.

Transparent glass-ceramic articles with retained strength and display devices with the same

A method of forming a glass laminate includes providing a substrate having a core layer and at least one cladding layer; heat treating the substrate at a temperature such that the at least one cladding layer is phase-separated after the heat treating; and etch treating the substrate for at least 10 sec. A phase-separated glass laminate includes a substrate having a core layer and at least one phase-separated cladding layer, such that the glass laminate has a % transmission of at least 96%, and the at least one cladding layer comprises a grain size in a range of 10 nm to 1 μm, or a graded glass index of greater than 5 nm.

Anti-reflection and anti-glare glass laminates

One or more aspects of the disclosure pertain to an article including an optical film structure disposed on an inorganic oxide substrate, which may include a strengthened or non-strengthened substrate that may be amorphous or crystalline, such that the article exhibits scratch resistance and retains the same or improved optical properties as the inorganic oxide substrate, without the optical film structure disposed thereon. In one or more embodiments, the article exhibits an average transmittance of 85% or more, over the visible spectrum (e.g., 380 nm-780 nm). Embodiments of the optical film structure include aluminum-containing oxides, aluminum-containing oxy-nitrides, aluminum-containing nitrides (e.g., AlN) and combinations thereof. The optical film structures disclosed herein also include a transparent dielectric including oxides such as silicon oxide, germanium oxide, aluminum oxide and a combination thereof. Methods of forming such articles are also provided.

Scratch-resistant laminates with retained optical properties

A substrate for a display article includes (a) a primary surface; and (b) a textured region on at least a portion of the primary surface, the textured region comprising: (i) one or more higher surfaces residing at a higher mean elevation parallel to a base-plane disposed below the textured region and extending through the substrate; (ii) one or more lower surfaces residing at a lower mean elevation parallel to the base-plane that is less than the higher mean elevation; and (iii) a high-index material disposed on each of the one or more lower surfaces residing at the lower mean elevation, the high-index material forming one or more intermediate surfaces residing at an intermediate mean elevation parallel to the base-plane that is greater than the lower mean elevation but less than the higher mean elevation, the high-index material comprising an index of refraction that is greater than the index of refraction of the substrate.

Textured region to reduce specular reflectance including a low refractive index substrate with higher elevated surfaces and lower elevated surfaces and a high refractive index material disposed on the lower elevated surfaces

Embodiments of a color-neutral anti-reflective coating and articles including the same are described. In one or more embodiments, a substrate includes a first major surface and an anti-reflective coating disposed on the first major surface of the substrate and having a reflective surface opposite the first major surface. In one or more embodiments, a point on the reflective surface has a single-surface reflectance under a D65 illuminant with an angular color variation, ΔEθ that is less than 5, where ΔE=√{(a*−a*)+(b*−b*)}, and a*and b*are color values a* and b* values of the point measured from a first angle θ, and a second angle θ, where θand θare any two different viewing angles at least 5 degrees apart in a range from about 10° to about 60° relative to a normal vector of the reflective surface.

Anti-reflective coatings and articles and methods of forming the same

A glass composition includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO; greater than or equal to 10 mol % and less than or equal to 20 mol % AlO; greater than or equal to 1 mol % and less than or equal to 10 mol % BO; greater than or equal to 7 mol % and less than or equal to 14 mol % LiO; greater than 0 mol % and less than or equal to 8 mol % NaO; greater than 0 mol % and less than or equal to 1 mol % KO; greater than or equal to 0 mol % and less than or equal to 7 mol % CaO; greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO. RO+R'O is less than or equal to 25 mol %, wherein RO is the sum of LiO, NaO, and KO and R′O is the sum of CaO, MgO, and ZnO. The glass composition includes at least one of NiO+CoO+CrO+CuO is greater than or equal to 0.001 mol %, CeOis greater than or equal to 0.1 mol %, and TiOis greater than or equal to 0.1 mol %.

Durable and scratch resistant articles including low-reflectance optical coating with gradient portion. In some embodiments, an article comprises: a substrate comprising a first major surface; and an optical coating disposed over the first major surface. The optical coating comprises: a second major surface; a thickness; and a first gradient portion. A refractive index of the optical coating varies along a thickness of the optical coating. The difference between the maximum refractive index of the first gradient portion and the minimum refractive index of the first gradient portion is 0.05 or greater. The absolute value of the slope of the refractive index of the first gradient portion is 0.1/nm or less everywhere along the thickness of the first gradient portion. The article exhibits a single side photopic average light reflectance of 3% or less, and a maximum hardness from 10 GPa to 30 GPa.

Hybrid gradient-interference hardcoatings

Embodiments of articles including a low-contrast anti-reflection coating are disclosed. The coated surface of such articles exhibits a reduced difference in reflectance between a pristine state and when a surface defect is present. In one or more embodiments, the coated surface of such articles exhibits a first average reflectance in the range from about 0.6% to about 6.0% in a pristine condition and a second average reflectance of about 8% or less after removal of a surface thickness of the anti-reflection coating. In other embodiments, the coated substrate exhibits a second average reflectance of about 10% or less, when the coated surface comprises a contaminant. In some embodiments, the coated substrate exhibits a first color coordinate (a*, b*) in a pristine condition and a second color coordinate (a*, b*) after the presence of a surface defect such that Δa*b* is about 6 or less.

Low contrast anti-reflection articles with reduced scratch and fingerprint visibility

Embodiments of an enclosure including a substrate having an anti-fingerprint surface are disclosed. The anti-fingerprint surface may include a textured surface, a coated surface or a coated textured surface that exhibits a low fingerprint visibility, when a fingerprint is applied to the anti-fingerprint surface. In one or more embodiments, the enclosure exhibits any one of the following attributes (1) radio, and microwave frequency transparency, as defined by a loss tangent of less than 0.03 and at a frequency range of between 15 MHz to 3.0 GHz; (2) infrared transparency; (3) a fracture toughness of greater than 0.6 MPa·m; (4) a 4-point bend strength of greater than 350 MPa; (5) a Vickers hardness of at least 450 kgf/mmand a Vickers median/radial crack initiation threshold of at least 5 kgf; (6) a Young's Modulus in the range from about 50 GPa to about 100 GPa; and (7) a thermal conductivity of less than 2.0 W/m° C.

Enclosures having an anti-fingerprint surface

Growing community of inventors

Elmira, NY, United States of America

Karl William Koch, Iii