Corning Incorporated

Other

La Corporation De I'ecole Polytechnique De Montreal

James Joseph Price

Shandon Dee Hart

Karl William Koch, Iii

Charles Andrew Paulson

Carlo Anthony Kosik Williams

Robert Alan Bellman

Lin Lin

Guangli Hu

Kaveh Adib

Jaymin Amin

Paul Arthur Sachenik

Gregory Scott Glaesemann

Alexandre Michel Mayolet

Sean Matthew Garner

Robert Michael Morena

Sinue Gomez

Santona Pal

Ronald Leroy Stewart

Chandan Kumar Saha

Jason Thomas Harris

Charlene Marie Smith

Ljerka Ukrainczyk

Sergio Tsuda

Robert Stephen Wagner

David L Weidman

Douglas Miles Noni, Jr

Xu Ouyang

Nicholas Francis Borrelli

Bruce Gardiner Aitken

Yuhui Jin

Timothy James Kiczenski

Paul A Tick

Jue Wang

James Gregory Couillard

Kevin Barry Reiman

Robert Sabia

Thomas Michael Cleary

John T Keech

Michael John Moore

Jiangwei Feng

Heather Bossard Decker

Florence Christine Monique Verrier

Jose Mario Quintal

Kristen L Barefoot

Eric Louis Null

William Joseph Hurley

Dana Ianson

Fei Li

Alranzo Boh Ruffin

Dong-gun Moon

Johannes Moll

Ananthanarayanan Subramanian

James Joseph Watkins

Cameron Robert Nelson

Jenny Kim

Joan Deanna Gregorski

Chang-gyu Kim

Jayantha Senawiratne

Tingge Xu

Sara Jean Sick

Jeonghong Oh

Nicholas Michael Walker

Hannah Shenouda

Darwin Gene Enicks

Benedict Yorke Johnson

Lauren Kay Cornelius

Jeffrey Scott Cites

Nagaraja Shashidhar

Ludvik Martinu

Timothy Edward Myers

Charles Mitchel Sorensen, Jr

Jean-Francois Oudard

John Frederick Bayne

Daniel Arthur Sternquist

Bill Baloukas

Thien An Thi Nguyen

Jonathan Earl Walter

Jung-keun Oh

Jin-ah Yoo

David John Brockway

Naveen Prakash

Ronald William Davis, Jr

Erin Katherine Congdon

Jincheng Qian

Karl William Koch Iii

Karl William Iii Koch

Kristen Lorraine Barefoot

A window for a sensing system is provided. The window includes a substrate, a layered film disposed on a first surface of the substrate, the layered film including alternating layers of higher refractive index materials and lower refractive index materials, wherein the refractive index of the higher refractive index materials is greater than the refractive index of the lower refractive index materials, and a maximum hardness, measured at the layered film and by the Berkovich Indenter Hardness Test, of at least 8 GPa. The window has: an average percentage transmittance of greater than 75% for electromagnetic radiation having a wavelength of 1550 nm at normal or near normal incidence; and an average percentage reflectance of less than 10% for electromagnetic radiation having a wavelength of 1550 nm at any angle of incidence within the range of 0° to 8°.

Hardened optical windows with anti-reflective, reflective, and absorbing layers for infrared sensing systems

An article is described herein that includes: a translucent substrate having a major surface; and an anti-reflective coating disposed on the major surface and forming an anti-reflective surface. The article exhibits a single side average photopic light reflectance at the anti-reflective surface of less than 0.35%. Further, the article exhibits a single side color shift (ΔC) of less than 6 over an incident angle range from 0 degrees to 60 degrees incidence at the anti-reflective surface, wherein the anti-reflective coating comprises a physical thickness from about 50 nm to less than 500 nm. In addition, the anti-reflective coating comprises a plurality of layers that comprises at least one low refractive index layer and at least one high refractive index layer. Further, each high refractive index layer has a refractive index of greater than 2.0 and each low refractive index layer has a refractive index of less than 1.7.

Low reflectance, anti-reflective film structures with controlled color and articles with the same

Embodiments of durable, anti-reflective articles are described. In one or more embodiments, the article includes a substrate and an anti-reflective coating disposed on the major surface. The article exhibits an average light transmittance of about 94% or greater over an optical wavelength regime and/or an average light reflectance of about 2% or less over the optical wavelength regime, as measured from an anti-reflective surface. In some embodiments, the article exhibits a maximum hardness of about 8 GPa or greater as measured by a Berkovich Indenter Hardness Test along an indentation depth of about 50 nm or greater and a b* value, in reflectance, in the range from about −5 to about 1 as measured on the anti-reflective surface only at all incidence illumination angles in the range from about 0 degrees to about 60 degrees under an International Commission on Illumination illuminant.

Durable anti-reflective articles

A window for a sensing system is provided. The window includes a substrate having a predetermined thickness and an index of refraction for electromagnetic radiation having a wavelength of 905 nm and a layered film disposed on the substrate, the layered film including alternating layers of a high refractive index material and a lower refractive index material, the high refractive index material having a higher refractive index than the lower refractive index material, wherein each layer of the alternating layers of the layered film has a thickness, and the thicknesses of the alternating layers are configured so that the window has a transmittance of at least 80% for electromagnetic radiation having a wavelength within the range of 850 nm to 950 nm. The window further includes a hardness of at least 10 GPa, at the layered film, as measured by the Berkovich Indenter Hardness Test.

Hardened optical windows for LIDAR applications at 850-950NM

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 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

An article is described herein that includes: a substrate having a glass, glass-ceramic or a ceramic composition and comprising a primary surface; and a protective film disposed on the primary surface. The protective film comprises a thickness of greater than 1.5 microns and a maximum hardness of greater than 15 GPa at a depth of 500 nanometers, as measured on the film disposed on the substrate. Further, the protective film comprises a metal oxynitride that is graded such that an oxygen concentration in the film varies by 1.3 or more atomic %. In addition, the substrate comprises an elastic modulus less than an elastic modulus of the film.

Glass, glass-ceramic and ceramic articles with graded protective coatings having hardness and strength

A glass-based assembly includes a glass substrate and a coating layer coupled to the glass substrate. Ultimate strength of the glass substrate with the coating layer overlaying and coupled thereto is greater than that of the glass substrate alone, without the coating layer.

Coating of glass-based assembly

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

Disclosed herein are coated articles which may include a substrate and an optical coating that includes one or more layers of deposited material. At least a portion of the optical coating may include a residual compressive stress of more than 100 MPa. The coated article may include a strain-to-failure of 0.4% or more as measured by a Ring-on-Ring Tensile Testing Procedure. The optical coating may include a maximum hardness of 8 GPa or more and an average photopic transmission of 50% or greater.

Coated articles with optical coatings having residual compressive stress

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

According to one or more embodiments described herein, a coated article may comprise: a transparent substrate having a major surface, the major surface comprising a textured or rough surface inducing light scattering; and an optical coating disposed on the major surface of the transparent substrate and forming an air-side surface, the optical coating comprising one or more layers of material, the optical coating having a physical thickness of greater than 300 nm, wherein the coated article exhibits a maximum hardness of about 10 GPa or greater as measured on the air-side surface by a Berkovich Indenter Hardness Test along an indentation depth of about 50 nm or greater.

Coated articles with light-altering features and methods for the production thereof

An article is described herein that includes: a glass-based substrate comprising opposing major surfaces; a crack mitigating composite over one of the major surfaces, the composite comprising an inorganic element and a polymeric element; and a hard film disposed on the crack mitigating composite comprising an elastic modulus greater than or equal to the elastic modulus of the glass-based substrate. The crack mitigating composite is characterized by an elastic modulus of greater than 30 GPa. Further, the hard film comprises at least one of a metal-containing oxide, a metal-containing oxynitride, a metal-containing nitride, a metal-containing carbide, a silicon-containing polymer, a carbon, a semiconductor, and combinations thereof.

Glass-based articles having a hard film and a crack mitigating composite structure for retained article strength and scratch resistance

Glass-ceramic articles having specified elastic modulus and fracture toughness

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Corning, NY, United States of America

James Joseph Price