Patents by Inventor Sujan-Ehsan Wadud

Sujan-Ehsan Wadud 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).

  • Precise bondline control between LED components
    Patent number: 11233175
    Abstract: Devices and techniques are disclosed herein which include a first LED device layer, a second LED device layer, and an adhesive bondline disposed between the first LED device layer and the second LED device layer. The adhesive bondline includes a bondline thickness, a plurality of spacers disposed within the adhesive bondline, and a silicone matrix. The plurality of spacers may have a diameter or a shortest axis between 0.5 and 10 micrometers and the coefficient of variation is 10% or less. The plurality of spacers may be include SiO2, alumina, soda lime glass, may be inorganic, or polymeric.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 25, 2022
    Assignee: LUMILEDS LLC
    Inventors: Daniel Bernardo Roitman, Sujan-Ehsan Wadud, Michael Laughner, William David Collins, III, Darren Dunphy, Prashant Kumar Singh
  • PRECISE BONDLINE CONTROL BETWEEN LED COMPONENTS
    Publication number: 20200194629
    Abstract: Devices and techniques are disclosed herein which include a first LED device layer, a second LED device layer, and an adhesive bondline disposed between the first LED device layer and the second LED device layer. The adhesive bondline includes a bondline thickness, a plurality of spacers disposed within the adhesive bondline, and a silicone matrix. The plurality of spacers may have a diameter or a shortest axis between 0.5 and 10 micrometers and the coefficient of variation is 10% or less. The plurality of spacers may be include SiO2, alumina, soda lime glass, may be inorganic, or polymeric.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 18, 2020
    Applicant: LUMILEDS HOLDING B.V.
    Inventors: Daniel Bernardo ROITMAN, Sujan-Ehsan WADUD, Michael LAUGHNER, William COLLINS, Darren DUNPHY, Prashant Kumar SINGH
  • Precise bondline control between LED components
    Patent number: 10600937
    Abstract: Devices and techniques are disclosed herein which include a first LED device layer, a second LED device layer, and an adhesive bondline disposed between the first LED device layer and the second LED device layer. The adhesive bondline includes a bondline thickness, a plurality of spacers disposed within the adhesive bondline, and a silicone matrix. The plurality of spacers may have a diameter or a shortest axis between 0.5 and 10 micrometers and the coefficient of variation is 10% or less. The plurality of spacers may be include SiO2, alumina, soda lime glass, may be inorganic, or polymeric.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: March 24, 2020
    Assignee: LUMILEDS HOLDING B.V.
    Inventors: Daniel Bernardo Roitman, Sujan-Ehsan Wadud, Michael Laughner, William Collins, Darren Dunphy, Prashant Kumar Singh
  • PRECISE BONDLINE CONTROL BETWEEN LED COMPONENTS
    Publication number: 20200091377
    Abstract: Devices and techniques are disclosed herein which include a first LED device layer, a second LED device layer, and an adhesive bondline disposed between the first LED device layer and the second LED device layer. The adhesive bondline includes a bondline thickness, a plurality of spacers disposed within the adhesive bondline, and a silicone matrix. The plurality of spacers may have a diameter or a shortest axis between 0.5 and 10 micrometers and the coefficient of variation is 10% or less. The plurality of spacers may be include SiO2, alumina, soda lime glass, may be inorganic, or polymeric.
    Type: Application
    Filed: September 17, 2018
    Publication date: March 19, 2020
    Applicant: Lumileds Holding B.V.
    Inventors: Daniel Bernardo Roitman, Sujan-Ehsan Wadud, Michael Laughner, William Collins, Darren Dunphy, Prashant Kumar Singh