Corning Incorporated

Corsam Technologies LLC

Corning Incoporated

La Corporation De I'ecole Polytechnique De Montreal

Carlo Anthony Kosik Williams

Shandon Dee Hart

Karl William Koch, Iii

James Joseph Price

Charles Andrew Paulson

Lin Lin

Robert Alan Bellman

Jaymin Amin

Alexandre Michel Mayolet

Charlene Marie Smith

Bruce Gardiner Aitken

Ljerka Ukrainczyk

David L Weidman

Dayue Jiang

Jason Thomas Harris

Florence Christine Monique Verrier

Frederic Christian Wagner

Kevin Andrew Vasilakos

Chang-gyu Kim

Thien An Thi Nguyen

Cameron Robert Nelson

Joan Deanna Gregorski

Tingge Xu

Jeonghong Oh

Nicholas Michael Walker

Vitor Marino Schneider

Timothy James Kiczenski

Jianguo Wang

Dong-gun Moon

Ananthanarayanan Subramanian

Wageesha Senaratne

William Allen Wood

Benedict Yorke Johnson

Ludvik Martinu

Jie Wang

Jayantha Senawiratne

Eric Louis Null

Natarajan Gunasekaran

Bill Baloukas

Brooke Amber Hathaway

Jincheng Qian

Kaitlyn Mary Matias

Karl William Koch Iii

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

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

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

A display article is described herein that includes: a substrate comprising a thickness and primary surface; a diffractive surface region defined by the primary surface; and an antireflective coating disposed on the diffractive surface region. The diffractive surface region comprises structural features that comprise different heights in a multimodal distribution. The substrate exhibits a sparkle of <4%, and a transmittance haze of <20%, each from an incident angle of 0°. The antireflection coating comprises a plurality of alternating high refractive index and low refractive index layers. Further, each of the low index layers comprises a refractive index of ≤about 1.8, and each of the high index layers comprises a refractive index of >1.8. The article exhibits a first-surface average visible specular reflectance of less than 0.2% at an incident angle of 20°, and a maximum hardness of ≥8 GPa in a Berkovich Indenter Hardness Test.

Display articles with diffractive, antiglare surfaces and thin, durable antireflection coatings

Glass-ceramic articles having specified elastic modulus and fracture toughness

An article that includes: an inorganic oxide substrate having opposing major surfaces; and an optical film structure disposed on a first major surface of the substrate, the optical film structure comprising one or more of a silicon-containing oxide, a silicon-containing nitride and a silicon-containing oxynitride and a physical thickness from about 50 nm to less than 500 nm. The article exhibits a hardness of 8 GPa or greater measured at an indentation depth of about 100 nm or a maximum hardness of 9 GPa or greater measured over an indentation depth range from about 100 nm to about 500 nm, the hardness and the maximum hardness measured by a Berkovich Indenter Hardness Test. Further, the article exhibits a single-side photopic average reflectance that is less than 1%.

Inorganic oxide articles with thin, durable anti reflective structures

An antimicrobial article that includes: an antimicrobial composite region that includes a matrix comprising a polymeric material, and a first plurality of particles within the matrix. The particles include a phase-separable glass with a copper-containing antimicrobial agent. The antimicrobial composite region can be a film containing the first plurality of particles that is subsequently laminated to a bulk element. The first plurality of particles can also be pressed into the film or a bulk element to define an antimicrobial composite region. An exposed surface portion of the antimicrobial composite region can exhibit at least a log 2 reduction in a concentration of at least one of, andbacteria under a Modified EPA Copper Test Protocol.

Antimicrobial phase-separable glass/polymer articles and methods for making the same

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 (&#x394;C) 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.

A method, of reducing display device energy consumption, including: (a) determining lighting conditions ambient to a display device; (b) determining content that a user chooses to view on the display device; (c) calculating the user's perception of display quality using an image appearance model; and (d) adjusting, when the perceived display quality is higher than a target display quality, display device conditions so that the perceived display quality matches the target display quality so as to reduce energy consumption. An apparatus utilizing the method so as to reduce energy consumption while providing an aesthetically pleasing viewing experience to a user.

Methods for achieving, and apparatus having, reduced display device energy consumption

A coated article is described herein that may comprise a substrate and an optical coating. The substrate may have a major surface comprising a first portion and a second portion. A first direction that is normal to the first portion of the major surface may not be equal to a second direction that is normal to the second portion of the major surface. The optical coating may be disposed on at least the first portion and the second portion of the major surface. The coated article may exhibit at the first portion of the substrate and at the second portion of the substrate hardness of about 8 GPa or greater at an indentation depth of about 50 nm or greater as measured on the anti-reflective surface by a Berkovich Indenter Hardness Test.

Coatings of non-planar substrates and methods for the production thereof

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Painted Post, NY, United States of America

Carlo Anthony Kosik Williams