Patents by Inventor Gregory McGraw

Gregory McGraw 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: 10518004
    Abstract: An implantable drug eluting medical device includes a polymer substrate having a surface, a first plurality of nanofibers, and at least one antimicrobial drug. Each of the first plurality of nanofibers includes a first portion interpenetrated with the surface of the substrate to mechanically fix the nanofiber to the substrate, and a second portion projecting from the surface. The at least one antimicrobial drug is disposed within or among the second portion of the first plurality of nanofibers.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 31, 2019
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Mary M. Byron, David R. Wulfman, Angelo Fruci, Adam McGraw, Danielle Frankson, Gregory J. Sherwood, Joseph T. Delaney, Jr., Adeniyi O. Aremu
  • Publication number: 20190386257
    Abstract: Embodiments of the disclosed subject matter provide a depositor device having a first exhaust aperture and a second exhaust aperture, and a plurality of delivery apertures disposed between the first exhaust aperture and the second exhaust aperture. A first aperture of the plurality of delivery apertures may have a first length, and a second aperture of the plurality of delivery apertures may have a second length. The first length may be longer than the second length. The device may include a third aperture of the plurality of delivery apertures which may have a third length, where the second length may be longer that the third length. The plurality of delivery apertures of the device may include three or more delivery apertures having different lengths.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 19, 2019
    Inventors: William E. QUINN, Gregory MCGRAW, Gregg KOTTAS, Xin XU, Julia J. BROWN
  • Publication number: 20190386256
    Abstract: Systems and techniques for deposition such as via OVJP using multiple source ampules are provided. The source ampules are arranged and controlled such that carrier gas may be fed through each source ampule sequentially, thereby allowing for more continuous operation and use of materials that otherwise would be subject to thermal degradation.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 19, 2019
    Inventors: William E. QUINN, Julia J. BROWN, Gregory MCGRAW, Gregg KOTTAS, William T. MAYWEATHER, III
  • Publication number: 20190386216
    Abstract: Embodiments of the disclosed subject matter provide a device including a micronozzle array having separate redundant groups of depositors that each include a delivery aperture disposed between two exhaust apertures. The device may include a first row of depositors of a first redundant group, each of which may be connected in parallel to first common delivery lines and first common exhaust lines. The device may include a second row of depositors of a second redundant group, each of which is connected in parallel to second common delivery and second common exhaust lines. The first row of depositors and the second row of depositors may operate independently from one another. The device may be disposed within a deposition chamber and in proximity of a substrate.
    Type: Application
    Filed: May 1, 2019
    Publication date: December 19, 2019
    Inventors: William E. QUINN, Gregory MCGRAW, Gregg KOTTAS, Xin XU, Julia J. BROWN
  • Publication number: 20190386088
    Abstract: Embodiments of the disclosed subject matter provide a device having a substrate, and a plurality of unit areas of an organic light emitting diode (OLED) display disposed on the substrate. The unit areas may be repeating, area-filling subdivisions of the substrate that each have an anode and a cathode. The organic film may be disposed over portions of the device other than the unit areas. The device may include at least one pixel having a plurality of sub-pixels disposed within each of the plurality of unit areas. The at least one pixel of each of the plurality of unit areas may be covered by the cathode.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 19, 2019
    Inventors: Xin XU, Gregory MCGRAW, William E. QUINN, Gregg KOTTAS, Jason PAYNTER, Julia J. BROWN
  • Patent number: 10483498
    Abstract: A source of material for use in a deposition system includes one or more baffles or equivalent structures within the source. The baffles provide for increased concentration of material entrained in a carrier gas that is passed through and emitted by the source.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: November 19, 2019
    Assignee: Universal Display Corporation
    Inventors: William E. Quinn, Gregory McGraw
  • Patent number: 10480056
    Abstract: A first device is provided. The device includes a print head. The print head further includes a first nozzle hermetically sealed to a first source of gas. The first nozzle has an aperture having a smallest dimension of 0.5 to 500 microns in a direction perpendicular to a flow direction of the first nozzle. At a distance from the aperture into the first nozzle that is 5 times the smallest dimension of the aperture of the first nozzle, the smallest dimension perpendicular to the flow direction is at least twice the smallest dimension of the aperture of the first nozzle.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 19, 2019
    Assignee: The Regents of the University of Michigan
    Inventors: Stephen R. Forrest, Gregory McGraw
  • Patent number: 10468633
    Abstract: Novel microlens array architectures for enhanced light outcoupling from light emission are provided. Organic light emitting devices (OLEDs) that include an outcoupling layer including these novel microlens array architectures and method for fabricating such OLEDs are provided. These devices may be used to provide OLEDs with optimized light extraction.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: November 5, 2019
    Assignees: Universal Display Corporation, Kent State University
    Inventors: Yue Cui, Deng-ke Yang, Ruiqing Ma, Gregory McGraw, Julia J. Brown
  • Publication number: 20190305224
    Abstract: Embodiments of the disclosed subject matter provide systems and methods of depositing a film on a selective area of a substrate. A first jet of a first material may be ejected from a first nozzle assembly of a jet head having a plurality of nozzle assemblies to form a first portion of a film deposition on the substrate. A second jet of a second material may be ejected from a second nozzle assembly of the plurality of nozzle assemblies, the second nozzle assembly being aligned with the first nozzle assembly parallel to a direction of motion between the plurality of nozzle assemblies and the substrate, and the second material being different than the first material. The second material may react with the first portion of the film deposition to form a composite film deposition on the substrate when using reactive gas precursors.
    Type: Application
    Filed: March 5, 2019
    Publication date: October 3, 2019
    Inventors: Michael HACK, William E. QUINN, Gregory MCGRAW, William T. MAYWEATHER, III, Julia J. BROWN
  • Publication number: 20190256968
    Abstract: Embodiments of the disclosed subject matter provide a vapor distribution manifold that ejects organic vapor laden gas into a chamber and withdraws chamber gas, where vapor ejected from the manifold is incident on, and condenses onto, a deposition surface within the chamber that moves relative to one or more print heads in a direction orthogonal to a platen normal and a linear extent of the manifold. The volumetric flow of gas withdrawn by the manifold from the chamber may be greater than the volumetric flow of gas injected into the chamber by the manifold. The net outflow of gas from the chamber through the manifold may prevent organic vapor from diffusing beyond the extent of the gap between the manifold and deposition surface. The manifold may be configured so that long axes of delivery and exhaust apertures are perpendicular to a print direction.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 22, 2019
    Inventors: William E. QUINN, Gregory MCGRAW, Matthew KING, Gregg KOTTAS
  • Publication number: 20190232325
    Abstract: Embodiments of the disclosed subject matter provide a device that may have a first depositor that includes one or more delivery apertures surrounded by one or more exhaust apertures, where the one or more delivery apertures and the one or more exhaust apertures are enclosed within a perimeter of a boss that protrudes from a substrate-facing side of the one or more delivery apertures. The delivery channels for the one or more delivery apertures and exhaust channels for the one or more exhaust apertures may be routed orthogonally to each other. The one or more delivery apertures may be configured to permit jets of delivery gas pass through a lower surface of the first depositor. The lower surface of the first depositor may include the one or more exhaust apertures to remove surplus vapor from a delivery zone. Embodiments may also provide a method of forming a print head.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Gregory MCGRAW, William E. QUINN, Matthew KING
  • Publication number: 20190217610
    Abstract: Embodiments of the disclosed subject matter provide a micronozzle array formed from monolithic silicon. The micronozzle array may have a plurality of nozzles, where each nozzle of the plurality of nozzles including an integrated plug valve that allows flow from the nozzle to be attenuated separately from each other nozzle of the plurality of nozzles. Each of the plurality of nozzles may include a microchannel, formed from the monolithic silicon, having a first channel portion and a second channel portion, where the first channel portion is narrower than the second channel portion, and where the first channel portion forms an aperture of the nozzle that is configured to eject vapor from the microchannel. Each of the plurality of nozzles may include a stem, formed from the monolithic silicon that includes the integrated plug valve is suspended in the microchannel to attenuate the flow from the nozzle.
    Type: Application
    Filed: January 9, 2019
    Publication date: July 18, 2019
    Inventors: Gregory MCGRAW, Matthew KING, William E. QUINN
  • Publication number: 20190221740
    Abstract: Embodiments of the disclosed subject matter provide a method of modifying the surface energy of a substrate is provided. A first hydrophobic material may be directly printed, using a vapor ejected from a first nozzle, onto a hydrophilic substrate to surround at least a first area of the substrate, where the first material has a vapor pressure of at least 1 Pa at 300° C. A second material may be deposited, from a second nozzle, onto the first area of the substrate.
    Type: Application
    Filed: January 7, 2019
    Publication date: July 18, 2019
    Inventors: William E. QUINN, Gregory MCGRAW
  • Publication number: 20190218655
    Abstract: OVJP depositors having an exhaust aperture incorporated into the center of a flow retarder (510) are provided. Multiple flow retarders may be used to increase uniformity for applications such as OLED lighting that require larger features. Flow retarders may transect a delivery aperture completely or may extend part way through its length.
    Type: Application
    Filed: July 28, 2017
    Publication date: July 18, 2019
    Inventors: Gregory MCGRAW, William E. QUINN, William T. MAYWEATHER, III, Gregg KOTTAS, Xin XU
  • Publication number: 20190221783
    Abstract: Devices for deposition of material via organic vapor jet printing (OVJP) and similar techniques are provided. The depositor includes delivery channels ending in delivery apertures, where the delivery channels are flared as they approach the delivery apertures, and/or have a trapezoidal shape. The depositors are suitable for fabricating OLEDs and OLED components and similar devices.
    Type: Application
    Filed: January 11, 2019
    Publication date: July 18, 2019
    Inventors: Gregory MCGRAW, William E. QUINN, Gregg KOTTAS, Matthew KING, Benjamin SWEDLOVE, Tomasz TROJACKI
  • Publication number: 20190214603
    Abstract: Techniques and devices are provided for attaching a die to a metal manifold. A metal-containing ink is used to deposit a metal trace on the die and thereby to form a gasket, after which the die is compressed against the manifold to form a sealed connection between the two.
    Type: Application
    Filed: January 11, 2019
    Publication date: July 11, 2019
    Inventors: William E. QUINN, Jason PAYNTER, Gregory MCGRAW, Matthew KING
  • Publication number: 20190181390
    Abstract: Implementations of the disclosed subject matter provide a print bar for organic vapor jet (OVJP) deposition is provided that includes a plurality of n print head segments, where each of the plurality of print head segments may have an OVJP print head. The print bar may include a plurality of distance sensors, where each of the plurality of distance sensors may be configured to measure a distance between a substrate disposed below the print bar and a portion of at least one of the print head segments. The print bar may include a plurality of not more than n+1 actuators configured to adjust at least one of a position and an orientation of one or more of the plurality of print head segments based upon one or more distances between the substrate and the print bar measured by one or more of the plurality of distance sensors.
    Type: Application
    Filed: November 8, 2018
    Publication date: June 13, 2019
    Inventors: William E. QUINN, Gregory MCGRAW
  • Patent number: 10283737
    Abstract: A method for forming an electronic device such as a passive color OLED display. Bottom electrodes are patterned onto a substrate in rows. Raised posts formed by photoresist are patterned into columns oriented orthogonally to the bottom row electrodes. One or more organic layers, such as R, G, B organic emissive layers are patterned over the raised posts and bottom electrodes using organic vapor jet printing (OVJP). An upper electrode layer is applied over the entire device and forms electrically isolated columnar electrodes due to discontinuities in the upper electrode layer created by the raised columnar posts. This permits patterning of the upper electrodes over the organic layers without using photolithography. A device formed by this method is also described.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: May 7, 2019
    Assignee: The Regents of the University of Michigan
    Inventors: Stephen Forrest, Gregory McGraw
  • Publication number: 20190115535
    Abstract: Methods and devices for controlling pressures in microenvironments between a deposition apparatus and a substrate are provided. Each microenvironment is associated with an aperture of the deposition apparatus which can allow for control of the microenvironment.
    Type: Application
    Filed: November 28, 2018
    Publication date: April 18, 2019
    Inventors: William E. Quinn, Siddharth Harikrishna Mohan, Gregory McGraw, Xin Xu
  • Patent number: 10243023
    Abstract: Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: March 26, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, Ruiqing Ma, William E. Quinn, Gregory McGraw