Patents by Inventor Kevin W. Seybert
Kevin W. Seybert 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).
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Patent number: 10866455Abstract: The present invention is directed towards a display element comprising a photochromic-dichroic compound and a dichroic compound, the display element having a first absorption state and a second absorption state and being operable for switching from the first absorption state to the second absorption state in response to actinic radiation and to revert back to the first absorption state in response to actinic radiation and/or thermal energy, wherein the first absorption state has a transmittance percentage of 50% to 80%, and the second absorption state has a transmittance percentage of 10% to 50%. The invention is further directed to display devices comprising the display element, and methods of making the display element.Type: GrantFiled: September 27, 2018Date of Patent: December 15, 2020Assignee: PPG Industries Ohio, Inc.Inventors: Anil Kumar, Kevin W. Seybert
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Publication number: 20190121196Abstract: The present invention is directed towards a display element comprising a photochromic-dichroic compound and a dichroic compound, the display element having a first absorption state and a second absorption state and being operable for switching from the first absorption state to the second absorption state in response to actinic radiation and to revert back to the first absorption state in response to actinic radiation and/or thermal energy, wherein the first absorption state has a transmittance percentage of 50% to 80%, and the second absorption state has a transmittance percentage of 10% to 50%. The invention is further directed to display devices comprising the display element, and methods of making the display element.Type: ApplicationFiled: September 27, 2018Publication date: April 25, 2019Applicant: PPG Industries Ohio, Inc.Inventors: Anil Kumar, Kevin W. Seybert
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Patent number: 9128343Abstract: A method of forming an optical element which includes an electrochromic apodized aperture having variable light transmittance through a clear aperture area in response to an applied electrical current is disclosed. The apodized aperture includes a body including an area defining the clear aperture area wherein a fluid containment area substantially overlapping the clear aperture area, and includes at least one fill passage extending from the fluid containment area to at least one fill port outside of the clear aperture area; an electrochromic fluid within the fluid containment area substantially overlapping the clear aperture area and having variable light transmittance in response to an applied electrical current; a cover attached with the electrochromic fluid between the cover and body; electrical contacts electrically coupled to the electrochromic fluid for supplying electrical current thereto; and at least one passage seal in each said fill passage positioned outside of the clear aperture area.Type: GrantFiled: August 16, 2012Date of Patent: September 8, 2015Assignee: PPG Industries Ohio, Inc.Inventors: Forrest R. Blackburn, Jonathan Bork, John A. Charny, Stefan C. Dehaseth, Peter C. Foller, Andrew J. Lamb, Kevin W. Seybert, Michael A. Steimle, Robert H. Tang, Robert W. Walters
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Patent number: 8734033Abstract: An optical mechanism for a camera having a camera aperture includes an indexing stage movable between at least two distinct positions. At least a first fixed diameter apodized aperture is mounted on the stage and configured to be aligned with the camera aperture in one of the distinct positions of the indexing stage, and wherein the first fixed diameter apodized aperture is not aligned with the camera aperture in the other of the distinct positions of the indexing stage. The stage can include multiple fixed diameter apodized apertures of distinct effective diameters each of which can be selectively aligned with the camera aperture. The mechanism includes an actuator for moving the stage between each of said distinct positions. Methods for mass producing the fixed diameter apodized aperture are disclosed using dye diffusion into optical elements via various methods, and various casting and molding formation techniques.Type: GrantFiled: March 11, 2013Date of Patent: May 27, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Robert W. Walters, Robert H. Tang, Kevin W. Seybert, Forrest R. Blackburn
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Publication number: 20130259464Abstract: An optical mechanism for a camera having a camera aperture includes an indexing stage movable between at least two distinct positions. At least a first fixed diameter apodized aperture is mounted on the stage and configured to be aligned with the camera aperture in one of the distinct positions of the indexing stage, and wherein the first fixed diameter apodized aperture is not aligned with the camera aperture in the other of the distinct positions of the indexing stage. The stage can include multiple fixed diameter apodized apertures of distinct effective diameters each of which can be selectively aligned with the camera aperture. The mechanism includes an actuator for moving the stage between each of said distinct positions. Methods for mass producing the fixed diameter apodized aperture are disclosed using dye diffusion into optical elements via various methods, and various casting and molding formation techniques.Type: ApplicationFiled: March 11, 2013Publication date: October 3, 2013Inventors: Robert W. Walters, Robert H. Tang, Kevin W. Seybert, Forrest R. Blackburn
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Publication number: 20130215489Abstract: An optical element includes an electrochromic apodized aperture having variable light transmittance through a clear aperture area in response to an applied electrical current. The apodized aperture includes an aperture body including an area defining the clear aperture area, the body having a fluid containment area substantially overlapping the clear aperture area, and includes at least one fill passage extending from the fluid containment area to at least one fill port outside of the clear aperture area; an electrochromic fluid within the fluid containment area substantially overlapping the clear aperture area and having variable light transmittance in response to an applied electrical current; a cover attached with the electrochromic fluid between the cover and body; electrical contacts electrically coupled to the electrochromic fluid for supplying electrical current thereto; and at least one passage seal in each said fill passage positioned outside of the clear aperture area.Type: ApplicationFiled: August 16, 2012Publication date: August 22, 2013Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Forrest R. Blackburn, Jonathan Bork, John A. Charny, Stefan C. Dehaseth, Peter C. Foller, Andrew J. Lamb, Kevin W. Seybert, Michael A. Steimle, Robert H. Tang, Robert W. Walters
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Publication number: 20130206323Abstract: A method of forming an optical element which includes an electrochromic apodized aperture having variable light transmittance through a clear aperture area in response to an applied electrical current is disclosed. The apodized aperture includes a body including an area defining the clear aperture area wherein a fluid containment area substantially overlapping the clear aperture area, and includes at least one fill passage extending from the fluid containment area to at least one fill port outside of the clear aperture area; an electrochromic fluid within the fluid containment area substantially overlapping the clear aperture area and having variable light transmittance in response to an applied electrical current; a cover attached with the electrochromic fluid between the cover and body; electrical contacts electrically coupled to the electrochromic fluid for supplying electrical current thereto; and at least one passage seal in each said fill passage positioned outside of the clear aperture area.Type: ApplicationFiled: August 16, 2012Publication date: August 15, 2013Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Forrest R. Blackburn, Jonathan Bork, John A. Charny, Stefan C. Dehaseth, Peter C. Foller, Andrew J. Lamb, Kevin W. Seybert, Michael A. Steimle, Robert H. Tang, Robert W. Walters
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Patent number: 8373919Abstract: Provided is an optical element with an electrochromic apodized aperture having variable light transmittance in response to the amplitude of an applied voltage. The apodized aperture includes (i) a first substrate having a planar inner surface and an outer surface, (ii) a second substrate having an outer surface and a non-planar inner surface opposing and spaced from the planar inner surface of the first substrate, wherein each of the planar inner surface of the first substrate and the non-planar inner surface of the second substrate has an at least partial layer of transparent conductive material thereover; and (iii) an electrochromic medium disposed between the planar inner surface of the first substrate and the non-planar inner surface of the second substrate.Type: GrantFiled: December 2, 2009Date of Patent: February 12, 2013Assignee: PPG Industries Ohio, Inc.Inventors: Peter C. Foller, Robert H. Tang, Forrest R. Blackburn, Robert W. Walters, Kevin W. Seybert
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Patent number: 7906214Abstract: The present invention relates to optical elements, such as ophthalmic elements, including a substrate, a compatiblizing coating that optionally includes a dendritic polymer on at least a portion of the surface of the substrate and a functional organic coating, such as, but not limited to, an alignment coating, a photochromic coating, or an aligned liquid crystal coating, in contact with at least a portion of the compatiblizing coating opposite the substrate. The present invention also relates to compatiblizing coating compositions of dendritic polymers that may be used to form compatiblizing coatings on the surface of an optical element, and methods of making optical elements using the compatiblizing coatings.Type: GrantFiled: January 26, 2007Date of Patent: March 15, 2011Assignee: Transitions Optical, Inc.Inventors: Kevin W. Seybert, Eric M. King, Anil Kumar
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Publication number: 20100134866Abstract: Provided is an optical element with an electrochromic apodized aperture having variable light transmittance in response to the amplitude of an applied voltage. The apodized aperture includes (i) a first substrate having a planar inner surface and an outer surface, (ii) a second substrate having an outer surface and a non-planar inner surface opposing and spaced from the planar inner surface of the first substrate, wherein each of the planar inner surface of the first substrate and the non-planar inner surface of the second substrate has an at least partial layer of transparent conductive material thereover; and (iii) an electrochromic medium disposed between the planar inner surface of the first substrate and the non-planar inner surface of the second substrate.Type: ApplicationFiled: December 2, 2009Publication date: June 3, 2010Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Peter C. Foller, Robert H. Tang, Forrest R. Blackburn, Robert W. Walters, Kevin W. Seybert
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Patent number: 7452611Abstract: Describes a photochromic plastic article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes (1) a polymeric substrate, such as a thermoset or thermoplastic substrate, (2) a photochromic polymeric coating appended to at least one surface of the substrate, the photochromic polymeric coating containing a photochromic amount of at least one organic photochromic material, e.g., spirooxazine, naphthopyran and/or fulgide, and (3) a radiation-cured, acrylate-based film coherently appended to the photochromic coating, the acrylate-based film being (a) resistant to removal by aqueous solutions of inorganic caustic, e.g., potassium hydroxide, (b) compatible with organo silane-containing abrasion-resistant coating, and (c) harder than said photochromic coating. Describes also the aforedescribed photochromic article having an abrasion-resistant coating affixed to the radiation-cured acrylate-based film, e.g.Type: GrantFiled: August 28, 2002Date of Patent: November 18, 2008Assignee: Transitions Optical, Inc.Inventors: William P. Blackburn, Michael B. Levesque, Kevin W. Seybert, Jeanine A. Conklin, Nancyanne Gruchacz
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Publication number: 20080180803Abstract: The present invention relates to optical elements, such as ophthalmic elements, including a substrate, a compatiblizing coating that optionally includes a dendritic polymer on at least a portion of the surface of the substrate and a functional organic coating, such as, but not limited to, an alignment coating, a photochromic coating, or an aligned liquid crystal coating, in contact with at least a portion of the compatiblizing coating opposite the substrate. The present invention also relates to compatiblizing coating compositions of dendritic polymers that may be used to form compatiblizing coatings on the surface of an optical element, and methods of making optical elements using the compatiblizing coatings.Type: ApplicationFiled: January 26, 2007Publication date: July 31, 2008Inventors: Kevin W. Seybert, Eric M. King, Anil Kumar
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Publication number: 20030165686Abstract: Describes a photochromic plastic article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes (1) a polymeric substrate, such as a thermoset or thermoplastic substrate, (2) a photochromic polymeric coating appended to at least one surface of the substrate, the photochromic polymeric coating containing a photochromic amount of at least one organic photochromic material, e.g., spirooxazine, naphthopyran and/or fulgide, and (3) a radiation-cured, acrylate-based film coherently appended to the photochromic coating, the acrylate-based film being (a) resistant to removal by aqueous solutions of inorganic caustic, e.g., potassium hydroxide, (b) compatible with organo silane-containing abrasion-resistant coating, and (c) harder than said photochromic coating. Describes also the aforedescribed photochromic article having an abrasion-resistant coating affixed to the radiation-cured acrylate-based film, e.g.Type: ApplicationFiled: August 28, 2002Publication date: September 4, 2003Inventors: William P. Blackburn, Michael B. Levesque, Kevin W. Seybert, Jeanine A. Conklin, Nancyanne Gruchacz