Patents by Inventor Ellen S. Tomey

Ellen S. Tomey 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).

  • Layered phosphor in glass
    Patent number: 11367812
    Abstract: A phosphor in glass (PiG) cover is provided to modulate the color emitted from an LED chip. The PiG cover includes an active layer including glass and phosphor, and a secondary layer including glass and free of phosphor. The active layer is stacked on the secondary layer to form the PiG cover. Alternately the PiG includes an active layer sandwiched between two secondary layers. Two or more active layers can be stacked to each other or disposed side-by-side. An LED chip is arranged under the PiG cover to form an LED package.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: June 21, 2022
    Assignee: Ferro Corporation
    Inventors: Cody J. Gleason, Srinivasan Sridharan, George E. Sakoske, Ellen S. Tomey, Chao Ma, Jackie D. Davis, Yi Yang, Stanley Wang
  • Layered Phosphor In Glass
    Publication number: 20200388730
    Abstract: A phosphor in glass (PiG) cover is provided to modulate the color emitted from an LED chip. The PiG cover includes an active layer including glass and phosphor, and a secondary layer including glass and free of phosphor. The active layer is stacked on the secondary layer to form the PiG cover. Alternately the PiG includes an active layer sandwiched between two secondary layers. Two or more active layers can be stacked to each other or disposed side-by-side. An LED chip is arranged under the PiG cover to form an LED package.
    Type: Application
    Filed: June 3, 2020
    Publication date: December 10, 2020
    Inventors: Cody J. Gleason, Srinivasan Sridharan, George E. Sakoske, Ellen S. Tomey, Chao Ma, Jackie D. Davis, Yi Yang, Stanley Wang