Patents by Inventor Jaymin Amin

Jaymin Amin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11097514
    Abstract: Shaped glass structures, in particular to curved glass structures, having optically improved transmittance are provided along with methods of making such glass structures. Articles and methods described herein mask tube or reforming defects with help of refractive index-matching substances (e.g. optically clear adhesives) and/or additional glass layers. The articles and methods are applicable to any shaped glass, and is particularly useful for 3D-shaped parts for use in portable electronic devices.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: August 24, 2021
    Assignee: CORNING INCORPORATED
    Inventors: Jaymin Amin, Patrick Joseph Cimo, Thierry Luc Alain Dannoux, Vladislav Yuryevich Golyatin, Santona Pal
  • Patent number: 11084756
    Abstract: Chemically strengthened glass articles having at least one deep compressive layer extending from a surface of the article to a depth of compression DOC of at least about 125 ?m within the glass article. The compressive stress profile includes a single linear segment or portion extending from the surface to the depth of compression DOC. Alternatively, the compressive stress profile may include an additional portion extending from the surface to a relatively shallow depth and the linear portion extending from the shallow depth to the depth of compression.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: August 10, 2021
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Benedict Osobomen Egboiyi, Jonathan David Pesansky, Kevin Barry Reiman, Rostislav Vatchev Roussev, Brian Paul Strines
  • Publication number: 20210168957
    Abstract: Disclosed are device display screen protectors comprising a first strengthened substrate sized to cover a display screen of an electronic device, the first strengthened substrate having a central tension value in the range greater than 0 MPa and less than 20 MPa, a surface having a Knoop lateral cracking scratch threshold of at least 3 N.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 3, 2021
    Inventors: Jaymin Amin, Joshua Michael Jacobs, Jonathan David Pesansky, Kevin Barry Reiman, Ananthanarayanan Subramanian
  • Publication number: 20210070652
    Abstract: 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 (Ra) from about 10 nm to about 1000 nm.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Inventors: Jaymin Amin, Yuhui Jin, Karl William Koch, III, Aize Li, David Lee Weidman
  • Publication number: 20210063607
    Abstract: An article is described herein that includes: a translucent substrate comprising opposing major surfaces; and an optical film structure disposed on a first major surface of the substrate, the optical film structure comprising an outer surface and a plurality of periods such that each period comprises an alternating low refractive index layer and high refractive index layer. The article exhibits a hardness of 10 GPa or greater measured at an indentation depth of about 100 nm by a Berkovich Indenter Hardness Test. Further, the article exhibits a single side average photopic light reflectance of at least 50% of non-polarized light as measured at the outer surface from near-normal incidence to an incident angle of 60 degrees over a portion of at least 10 nm within the visible spectrum. In addition, each low refractive index layer comprises SiO2 or doped-SiO2 and each high refractive index layer comprises AlOxNy, SiOxNy, SiuAlvOxNy, SiNx or ZrO2.
    Type: Application
    Filed: August 27, 2020
    Publication date: March 4, 2021
    Inventors: Jaymin Amin, Shandon Dee Hart, Karl William Koch, III, Carlo Anthony Kosik Williams, Thien An Thi Nguyen
  • Patent number: 10928561
    Abstract: Embodiments of an electronic device comprising an enclosure and electrical components disposed at least partially inside the enclosure, wherein the enclosure comprises a substrate having a tactile surface are disclosed. The tactile 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 tactile surface. In one or more embodiments, the substrate exhibits an average transmittance of about 80% or greater over the visible spectrum, a coefficient of friction less than about 0.3, a surface roughness Ra of about 500 nm or greater, and either one or both a transmission haze greater than about 60%, and a reflection haze at either 2 degrees from specular or 5 degrees from specular greater than 60%.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 23, 2021
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Yuhui Jin, Timothy James Kiczenski, Michelle Diane Pierson-Stull
  • Patent number: 10917989
    Abstract: Disclosed are device display screen protectors comprising a first strengthened substrate sized to cover a display screen of an electronic device, the first strengthened substrate having a central tension value in the range greater than 0 MPa and less than 20 MPa, a surface having a Knoop lateral cracking scratch threshold of at least 3 N.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: February 9, 2021
    Assignee: CORNING INCORPORATED
    Inventors: Jaymin Amin, Joshua Michael Jacobs, Jonathan David Pesansky, Kevin Barry Reiman, Ananthanarayanan Subramanian
  • Patent number: 10914867
    Abstract: According to one embodiment, there is an article including a glass-ceramic substrate having a major surface, an optical coating is disposed on the major surface and forms an appearance-enhancing surface, the optical coating including a appearance-enhancing coating, and a scratch-resistant layer. The article exhibits a hardness of 8 GPa or more, and a photopic average diffuse light reflectance measured at the appearance-enhancing surface of one of: (i) about 0.3% or less; (ii) about 0.2% or less; (iii) about 0.1% or less, over an optical wavelength regime in the range from about 400 nm to about 800 nm. Further, in the (L*, a*, b*) colorimetry system of the International Commission on Illumination, at near-normal incidence, the article comprises a diffuse reflectance dE* of one of: (i) about 3 or less; (ii) about 2 or less; or (iii) about 1 or less, where dE* is defined as dE*=sqrt(L*2+a*2+b*2).
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: February 9, 2021
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Shandon Dee Hart, Timothy James Kiczenski, Karl William Koch, III, Carlo Anthony Kosik Williams, Alexandre Michel Mayolet, Charles Andrew Paulson, James Joseph Price
  • Publication number: 20200399173
    Abstract: Methods of manufacturing a glass-based article comprise: after mechanical polishing of a glass-based substrate, treating at least one surface of the glass-based substrate for protection of the at least one surface from contamination and/or for removal of contaminants from the at least one surface by a treatment other than ultrasonic cleaning; and exposing the glass-based substrate to an ion exchange treatment after the treating step to form the glass-based article. The treating step includes: exposing the at least one surface to a high pH soaking for removal of contaminants; deionizing the at least one surface for removal of contaminants; and/or applying a temporary coating to the at least one surface for protection of the at least one surface from contamination, and removing the temporary coating prior to the ion exchange treatment step. The ion exchange treatment may comprise a molten salt bath having an increased pH and temperature.
    Type: Application
    Filed: March 8, 2019
    Publication date: December 24, 2020
    Inventors: Jaymin Amin, Matthew John Dejneka, Yuhui Jin, Robert George Manley, Jonathan Michael Mis, Pascale Oram, Vitor Marino Schneider, Charlene Marie Smith, Wei Sun, Wanda Janina Walczak, Liying Zhang
  • Patent number: 10843963
    Abstract: Methods for regenerating poisoned salt bath comprising providing a salt bath comprising at least one of KNO3 and NaNO3, providing an ion-exchangeable substrate comprising lithium cations, contacting at least a portion of the ion-exchangeable substrate with the salt bath, whereby lithium cations in the salt bath diffuse from the ion-exchangeable substrate and are dissolved in the salt bath, and selectively precipitating dissolved lithium cations from the salt bath using phosphate salt. The methods further include preventing or reducing the formation of surface defects in the ion-exchangeable substrate by preventing or reducing the formation of crystals on the surface of the ion-exchangeable substrate upon removal from the salt bath.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: November 24, 2020
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Xiaoju Guo, Todd LeRoy Heck, Hongmei Hu, Yuhui Jin, Pascale Oram, Ljerka Ukrainczyk
  • Publication number: 20200325064
    Abstract: A glass substrate comprises: a first surface with surface features having an average width, an average height, a ratio of the average width to the average height of from about 0.04 to about 0.24, and the first surface has a haze value of 3% to 40%. The glass substrate can be transparent to electromagnetic radiation in the visible spectrum. The glass substrate can have a composition of: 61-75 mol. % SiO2; 7-15 mol. % Al2O3; 0-12 mol. % B2O3; 9-21 mol. % Na2O; 0-4 mol. % K2O; 0-7 mol. % MgO; and 0-3 mol. % CaO. The first surface can have an average surface roughness Ra of from 10 nm to 1,000 nm. The first surface can have an average characteristic largest feature size of from 200 nm to 50 ?m. The ratio of the average width to the average height can be from 0.06 to about 0.08.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: Jaymin Amin, Robert Randall Hancock, JR., Raymond Chih Chung Hsiao, Yuhui Jin, Aize Li, Jared Hilliard Seaman
  • Publication number: 20200308046
    Abstract: Glass-based articles comprise stress profiles providing improved scratch resistance. A glass-based article comprises a lithium aluminosilicate composition and a molar ratio of potassium dioxide (K2O) to sodium dioxide (Na2O) averaged over a distance from the surface to a depth of 0.4 micrometers that is greater than or equal to 0 and less than or equal to 1.8. The article comprises sodium having a non-zero varying concentration extending from a surface of the glass-based article to a depth of the glass-based article and a spike depth of layer that is greater than or equal to 4 micrometers and less than or equal to 8 micrometers. The article may comprise an average compressive stress of greater than or equal to 150 MPa over a depth from 15 micrometers to 40 micrometers.
    Type: Application
    Filed: March 23, 2020
    Publication date: October 1, 2020
    Inventors: Jaymin Amin, Xiaoju Guo, Pascale Oram, Rostislav Vatchev Roussev, Ljerka Ukrainczyk, Taylor Marie Wilkinson
  • Publication number: 20200223749
    Abstract: Chemically strengthened glass articles having at least one deep compressive layer extending from a surface of the article to a depth of compression DOC of at least about 125 ?m within the glass article. The compressive stress profile includes a single linear segment or portion extending from the surface to the depth of compression DOC. Alternatively, the compressive stress profile may include an additional portion extending from the surface to a relatively shallow depth and the linear portion extending from the shallow depth to the depth of compression.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 16, 2020
    Inventors: Jaymin Amin, Benedict Osobomen Egboiyi, Jonathan David Pesansky, Kevin Barry Reiman, Rostislav Vatchev Roussev, Brian Paul Strines
  • Publication number: 20200181011
    Abstract: Methods for regenerating poisoned salt bath comprising providing a salt bath comprising at least one of KNO3 and NaNO3, providing an ion-exchangeable substrate comprising lithium cations, contacting at least a portion of the ion-exchangeable substrate with the salt bath, whereby lithium cations in the salt bath diffuse from the ion-exchangeable substrate and are dissolved in the salt bath, and selectively precipitating dissolved lithium cations from the salt bath using phosphate salt. The methods further include preventing or reducing the formation of surface defects in the ion-exchangeable substrate by preventing or reducing the formation of crystals on the surface of the ion-exchangeable substrate upon removal from the salt bath.
    Type: Application
    Filed: February 10, 2020
    Publication date: June 11, 2020
    Inventors: Jaymin Amin, Xiaoju Guo, Todd LeRoy Heck, Hongmei Hu, Yuhui Jin, Pascale Oram, Ljerka Ukrainczyk
  • Patent number: 10649588
    Abstract: The disclosure is directed to piezoelectric film structures and sensors, and display assemblies using same. The piezoelectric film structure is transparent and includes: a substrate; a bottom optical layer disposed on or above the substrate; a bottom conducting layer disposed on or above the bottom optical layer; at least one piezoelectric layer disposed on or above the bottom conducting layer; a top conducting layer disposed on or above the at least one piezoelectric layer; and a top optical layer disposed on or above the top conducting layer. The sensor includes the piezoelectric film structure electrically connected to a signal processing system. The display assembly includes the sensor operably arranged relative to a display device. The piezoelectric film structures and sensors can be configured to determine one or more touch-sensing features associated with a touch event.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 12, 2020
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Shandon Dee Hart, Karl William Koch, III, Charles Andrew Paulson, William James Miller, Rostislav Vatchev Roussev
  • Patent number: 10640420
    Abstract: Chemically strengthened glass articles having at least one deep compressive layer extending from a surface of the article to a depth of compression DOC of at least about 125 ?m within the glass article. The compressive stress profile includes a single linear segment or portion extending from the surface to the depth of compression DOC. Alternatively, the compressive stress profile may include an additional portion extending from the surface to a relatively shallow depth and the linear portion extending from the shallow depth to the depth of compression.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: May 5, 2020
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Benedict Osobomen Egboiyi, Jonathan David Pesansky, Kevin Barry Reiman, Rostislav Vatchev Roussev, Brian Paul Strines
  • Publication number: 20200126512
    Abstract: 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.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 23, 2020
    Inventors: Jaymin Amin, Shandon Dee Hart, Brooke Amber Hathaway, Karl William Koch, III, Carlo Anthony Kosik Williams, Alexandre Michel Mayolet
  • Publication number: 20200073027
    Abstract: Embodiments of an electronic device comprising an enclosure and electrical components disposed at least partially inside the enclosure, wherein the enclosure comprises a substrate having a tactile surface are disclosed. The tactile 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 tactile surface. In one or more embodiments, the substrate exhibits an average transmittance of about 80% or greater over the visible spectrum, a coefficient of friction less than about 0.3, a surface roughness Ra of about 500 nm or greater, and either one or both a transmission haze greater than about 60%, and a reflection haze at either 2 degrees from specular or 5 degrees from specular greater than 60%.
    Type: Application
    Filed: November 8, 2019
    Publication date: March 5, 2020
    Inventors: Jaymin Amin, Yuhui Jin, Timothy James Kiczenski, Michelle Diane Pierson-Stull
  • Patent number: 10556825
    Abstract: Chemically strengthened glass articles having at least one deep compressive layer extending from a surface of the article to a depth of layer DOL of about 130 ?m up to about 175 ?m or, alternatively, to a depth of compression (DOC) in a range from about 90 ?m to about 120 ?m within the article. The compressive layer has a stress profile that includes a first substantially linear portion extending from a relatively shallow depth to the DOL or DOC and a second portion extending from the surface to the shallow depth. The second portion is substantially linear at a depth from 0 ?m to 5 ?m and has a steeper slope than that of the first portion of the profile. Methods of achieving such stress profiles are also described.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: February 11, 2020
    Assignee: Corning Incorporated
    Inventors: Jaymin Amin, Benedict Osobomen Egboiyi, Pascale Oram, Jonathan David Pesansky, Kevin Barry Reiman, Rostislav Vatchev Roussev, Vitor Marino Schneider, Brian Paul Strines
  • Patent number: RE48200
    Abstract: The invention relates to glass articles suitable for use as electronic device housing/cover glass which comprise a glass ceramic material. Particularly, a cover glass comprising an ion-exchanged glass ceramic exhibiting the following attributes (1) optical transparency, as defined by greater than 90% transmission at 400-750 nm; (2) a fracture toughness of greater than 0.6 MPa·m1/2; (3) a 4-point bend strength of greater than 350 MPa; (4) a Vickers hardness of at least 450 kgf/mm2 and a Vickers median/radial crack initiation threshold of at least 5 kgf; (5) a Young's Modulus ranging between about 50 to 100 GPa; (6) a thermal conductivity of less than 2.0 W/m° C., and (7) and at least one of the following attributes: (i) a compressive surface layer having a depth of layer (DOL) greater and a compressive stress greater than 400 MPa, or, (ii) a central tension of more than 20 MPa.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 8, 2020
    Assignee: CORNING INCORPORATED
    Inventors: Jaymin Amin, George Halsey Beall, Charlene Marie Smith