Patents by Inventor Vijayen S. Veerasamy

Vijayen S. Veerasamy 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: 8492788
    Abstract: Certain example embodiments of this invention relate to techniques for improving the performance of Lambertian and non-Lambertian light sources. In certain example embodiments, this is accomplished by (1) providing an organic-inorganic hybrid material on LEDs (which in certain example embodiments may be a high index of refraction material), (2) enhancing the light scattering ability of the LEDs (e.g., by fractal embossing, patterning, or the like, and/or by providing randomly dispersed elements thereon), and/or (3) improving performance through advanced cooling techniques. In certain example instances, performance enhancements may include, for example, better color production (e.g., in terms of a high CRI), better light production (e.g., in terms of lumens and non-Lambertian lighting), higher internal and/or external efficiency, etc.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: July 23, 2013
    Assignee: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Jemssy Alvarez
  • Patent number: 8460747
    Abstract: Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The ?dc/?opt ratio of such thin films may be improved via stable chemical doping and/or alloying of CNT-based films. The doping and/or alloying may be implemented in a large area coating system, e.g., on glass and/or other substrates. In certain example embodiments, a CNT film may be deposited and then doped via chemical functionalization and/or alloyed with silver and/or palladium. Both p-type and n-type dopants may be used in different embodiments of this invention. In certain example embodiments, silver and/or other nanowires may be provided, e.g., to further decrease sheet resistance. Certain example embodiments may provide coatings that approach, meet, or exceed 90% visible transmission and 90 ohms/square target metrics.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: June 11, 2013
    Assignee: Guardian Industries Corp.
    Inventor: Vijayen S. Veerasamy
  • Publication number: 20130059087
    Abstract: Certain example embodiments relate to an improved method of strengthening glass substrates (e.g., soda lime silica glass substrates). In certain examples, a glass substrate may be chemically strengthened by creating an electric field within the glass. In certain cases, the chemical tempering may be performed by surrounding the substrate by a plasma including certain ions, such as Li+, K+, Mg2+, and/or the like. In some cases, these ions may be forced into the glass substrate due to the half-cycles of the electric field generated by the electrodes that formed the plasma. This may advantageously chemically strengthen a glass substrate on a substantially reduced time scale. In other example embodiments, an electric field may be set in a float bath such that sodium ions are driven from the molten glass ribbon into the tin bath, which may advantageously result in a stronger glass substrate with reduced sodium content.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 7, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Xuequn Hu, Glenn A. Cerny
  • Publication number: 20130059160
    Abstract: Certain example embodiments relate to an improved method of strengthening glass substrates (e.g., soda lime silica glass substrates). In certain examples, a glass substrate may be chemically strengthened by creating an electric field within the glass. In certain cases, the chemical tempering may be performed by surrounding the substrate by a plasma including certain ions, such as Li+, K+, Mg2+, and/or the like. In some cases, these ions may be forced into the glass substrate due to the half-cycles of the electric field generated by the electrodes that formed the plasma. This may advantageously chemically strengthen a glass substrate on a substantially reduced time scale. In other example embodiments, an electric field may be set in a float bath such that sodium ions are driven from the molten glass ribbon into the tin bath, which may advantageously result in a stronger glass substrate with reduced sodium content.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 7, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Xuequn Hu, Glenn A. Cerny
  • Publication number: 20130059717
    Abstract: Certain example embodiments relate to an improved method of strengthening glass substrates (e.g., soda lime silica glass substrates). In certain examples, a glass substrate may be chemically strengthened by creating an electric field within the glass. In certain cases, the chemical tempering may be performed by surrounding the substrate by a plasma including certain ions, such as Li+, K+, Mg2+, and/or the like. In some cases, these ions may be forced into the glass substrate due to the half-cycles of the electric field generated by the electrodes that formed the plasma. This may advantageously chemically strengthen a glass substrate on a substantially reduced time scale. In other example embodiments, an electric field may be set in a float bath such that sodium ions are driven from the molten glass ribbon into the tin bath, which may advantageously result in a stronger glass substrate with reduced sodium content.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 7, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Xuequn Hu, Glenn A. Cerny
  • Patent number: 8377525
    Abstract: Certain example embodiments of this invention relate to vacuum insulating glass (VIG) units, and/or methods of making the same. More particularly, certain example embodiments relate to VIG units having large pump-out ports, and/or methods of making the same. In certain example embodiments, a vacuum insulating glass (VIG) unit is provided. First and second spaced-apart glass substrates are provided, and a gap is provided between the spaced-apart substrates. A pump-out port has a size (e.g., diameter) of at least about 30 mm. A cover seals the pump-out port. A getter is in communication with the gap. The pump-out port is sealed using the cover, in making the vacuum insulating glass unit, via a sealing material provided proximate to the cover and/or proximate to the pump-out port.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: February 19, 2013
    Assignee: Guardian Industries Corp.
    Inventors: David J. Cooper, Vijayen S. Veerasamy
  • Patent number: 8377524
    Abstract: In certain example embodiments of this invention, a window unit may include a vacuum IG (VIG) unit as an inboard lite and a monolithic lite (e.g., with an optional low-E coating thereon) as an outboard lite. A dead air space may separate the inboard and outboard lites. A highly insulated frame may be used to support the inner and outer lites. The VIG unit may be partially embedded or supported in the insulative frame, so that the insulating frame separates the VIG unit inboard lite from the outboard lite thereby reducing conductivity around the edges of the window unit so that R-value can be increased (and U-value decreased). In certain example embodiments, the total R-value of the window unit is at least about R-8, and more preferably at least about R-10 (compared to the much lower R-values of conventional IG units).
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: February 19, 2013
    Assignee: Guardian Industries Corp.
    Inventors: Jason E. Theios, Vijayen S. Veerasamy
  • Publication number: 20130024169
    Abstract: In certain example embodiments, moisture sensors, defoggers, etc., and/or related methods, are provided. More particularly, certain example embodiments relate to moisture sensors and/or defoggers that may be used in various applications such as, for example, refrigerator/freezer merchandisers, vehicle windows, building windows, etc. When condensation or moisture is detected, an appropriate action may be taken (e.g., actuating windshield wipers, turning on a defroster, triggering the heating of a merchandiser door or window, etc.). Bayesian approaches optionally may be implemented in certain example embodiments in an attempt to improve moisture detection accuracy. For instance, models of various types of disturbances may be developed and, based on live data and a priori information known about the model, a probability of the model being accurate is calculated. If a threshold value is met, the model may be considered a match and, optionally, a corresponding appropriate action may be taken.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 24, 2013
    Applicant: Guardian Industries Corp.
    Inventor: Vijayen S. VEERASAMY
  • Publication number: 20130021799
    Abstract: Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED.
    Type: Application
    Filed: July 22, 2011
    Publication date: January 24, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Jemssy Alvarez
  • Publication number: 20130019618
    Abstract: In certain example embodiments, moisture sensors, defoggers, etc., and/or related methods, are provided. More particularly, certain example embodiments relate to moisture sensors and/or defoggers that may be used in various applications such as, for example, refrigerator/freezer merchandisers, vehicle windows, building windows, etc. When condensation or moisture is detected, an appropriate action may be taken (e.g., actuating windshield wipers, turning on a defroster, triggering the heating of a merchandiser door or window, etc.). Bayesian approaches optionally may be implemented in certain example embodiments in an attempt to improve moisture detection accuracy. For instance, models of various types of disturbances may be developed and, based on live data and a priori information known about the model, a probability of the model being accurate is calculated. If a threshold value is met, the model may be considered a match and, optionally, a corresponding appropriate action may be taken.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 24, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. VEERASAMY, Jose NUNEZ-REGUEIRO
  • Publication number: 20130021776
    Abstract: Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED.
    Type: Application
    Filed: July 22, 2011
    Publication date: January 24, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. VEERASAMY, Jemssy Alvarez
  • Publication number: 20130021805
    Abstract: Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED.
    Type: Application
    Filed: July 22, 2011
    Publication date: January 24, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. VEERASAMY, Jemssy Alvarez
  • Publication number: 20130021775
    Abstract: Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED.
    Type: Application
    Filed: July 22, 2011
    Publication date: January 24, 2013
    Applicant: Guardian Industries Corp.
    Inventors: Vijayen S. VEERASAMY, Jemssy Alvarez
  • Patent number: 8357553
    Abstract: Certain example embodiments of this invention relate to techniques for improving the performance of Lambertian and non-Lambertian light sources. In certain example embodiments, this is accomplished by (1) providing an organic-inorganic hybrid material on LEDs (which in certain example embodiments may be a high index of refraction material), (2) enhancing the light scattering ability of the LEDs (e.g., by fractal embossing, patterning, or the like, and/or by providing randomly dispersed elements thereon), and/or (3) improving performance through advanced cooling techniques. In certain example instances, performance enhancements may include, for example, better color production (e.g., in terms of a high CRI), better light production (e.g., in terms of lumens and non-Lambertian lighting), higher internal and/or external efficiency, etc.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: January 22, 2013
    Assignee: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Jemssy Alvarez
  • Publication number: 20130016417
    Abstract: Certain example embodiments of this invention relate to electrochromic (EC) devices, assemblies incorporating electrochromic devices, and/or methods of making the same. More particularly, certain example embodiments of this invention relate to improved EC materials, EC device stacks, high-volume manufacturing (HVM) compatible process integration schemes, and/or high-throughput low cost deposition sources, equipment, and factories.
    Type: Application
    Filed: September 17, 2012
    Publication date: January 17, 2013
    Applicant: Guardian Industries Corp.
    Inventor: Vijayen S. VEERASAMY
  • Publication number: 20120327024
    Abstract: Certain example embodiments of this invention relate to large-area transparent conductive coatings (TCCs) including carbon nanotubes (CNTs) and nanowire composites, and methods of making the same. The ?dc/?opt ratio of such thim films may be improved via stable chemical doping and/or alloying of CNT-based films. The doping and/or alloying may be implemented in a large area coating system, e.g., on glass and/or other substrates. In certain example embodiments, a CNT film may be deposited and then doped via chemical functionalization and/or alloyed with silver and/or palladium. Both p-type and n-type dopants may be used in different embodiments of this invention. In certain example embodiments, silver and/or other nanowires may be provided, e.g., to further decrease sheet resistance. Certain example embodiments may provide coatings that approach, meet, or exceed 90% visible transmission and 90 ohms/square target metrics.
    Type: Application
    Filed: September 6, 2012
    Publication date: December 27, 2012
    Applicant: Guardian Industries Corp.
    Inventor: Vijayen S. VEERASAMY
  • Publication number: 20120317900
    Abstract: Certain examples relate to improved solar photovoltaic systems, and/or methods of making the same. Certain improved building-integrated photovoltaic systems may include concentrated photovoltaic skylights having a cylindrical lens array. The skylight may include an insulated glass unit, which may improve the solar heat gain coefficient. The photovoltaic skylight and lens arrays may be used in combination with strip solar cells and lateral displacement tracking systems. Such techniques may advantageously help to reduce cost per watt related, in part, to the potentially reduced amount of semiconductor material to be used for such example embodiments. A photovoltaic skylight may permit diffuse daylight to pass through into an interior of a building so as to provide lighting inside the building, while the strip solar cells absorb the direct sunlight and convert it to electricity.
    Type: Application
    Filed: May 22, 2012
    Publication date: December 20, 2012
    Applicant: Guardian Industries Corp.
    Inventors: Willem DEN BOER, Vijayen S. Veerasamy
  • Publication number: 20120312693
    Abstract: Certain example embodiments of this invention relate to the use of graphene as a transparent conductive coating (TCC). In certain example embodiments, graphene thin films grown on large areas hetero-epitaxially, e.g., on a catalyst thin film, from a hydrocarbon gas (such as, for example, C2H2, CH4, or the like). The graphene thin films of certain example embodiments may be doped or undoped. In certain example embodiments, graphene thin films, once formed, may be lifted off of their carrier substrates and transferred to receiving substrates, e.g., for inclusion in an intermediate or final product. Graphene grown, lifted, and transferred in this way may exhibit low sheet resistances (e.g., less than 150 ohms/square and lower when doped) and high transmission values (e.g., at least in the visible and infrared spectra).
    Type: Application
    Filed: July 11, 2012
    Publication date: December 13, 2012
    Applicant: Guardian Industries Corp.,
    Inventor: Vijayen S. VEERASAMY
  • Publication number: 20120293862
    Abstract: A coated article includes a low-E coating supported by a substrate (e.g., glass substrate), the low-E coating including first and second IR reflecting layers comprising silver and/or gold, and at least one UV blocking layer that blocks significant amounts of UV light having a wavelength of from 380-400 nm so that no more than about 20% of light having a wavelength of from 380-400 passes through the low-E coating. The UV blocking layer may be positioned so as to not directly contact the first and second IR reflecting layers.
    Type: Application
    Filed: May 17, 2012
    Publication date: November 22, 2012
    Applicant: Guardian Industries Corp.,
    Inventor: Vijayen S. VEERASAMY
  • Patent number: 8289610
    Abstract: Certain example embodiments of this invention relate to electrochromic (EC) devices, assemblies incorporating electrochromic devices, and/or methods of making the same. More particularly, certain example embodiments of this invention relate to improved EC materials, EC device stacks, high-volume manufacturing (HVM) compatible process integration schemes, and/or high-throughput low cost deposition sources, equipment, and factories.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: October 16, 2012
    Assignee: Guardian Industries Corp.
    Inventor: Vijayen S. Veerasamy