Patents by Inventor Geoffrey J. Supran

Geoffrey J. Supran 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).

  • Transparent luminescent displays enabled by electric-field-induced quenching of photoluminescent pixels
    Patent number: 10680194
    Abstract: A light emitting device can include a light source, a first electrode, a second electrode, a first barrier layer, a second barrier layer, and an emitter layer between the first barrier layer and the second barrier layer. A method of controllably generating light can comprise two states: An ON state, wherein an emitter layer of a device (which includes a photoluminescent pixel) is illuminated with a light source in the absence of an electric field, and the emitter layer generates light through photoluminescence; and an OFF state, wherein an emitter layer of a device (which includes a photoluminescent pixel) is illuminated with a light source in the presence of a static or time-varying electric field, and the electric field or induced current results in quenching of the emitter photoluminescence.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: June 9, 2020
    Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Patrick R. Brown, Geoffrey J. Supran, Jeffrey C. Grossman, Moungi G. Bawendi, Vladimir Bulovic
  • TRANSPARENT LUMINESCENT DISPLAYS ENABLED BY ELECTRIC-FIELD-INDUCED QUENCHING OF PHOTOLUMINESCENT PIXELS
    Publication number: 20160201881
    Abstract: A light emitting device can include a light source, a first electrode, a second electrode, a first barrier layer, a second barrier layer, and an emitter layer between the first barrier layer and the second barrier layer. A method of controllably generating light can comprise two states: An ON state, wherein an emitter layer of a device (which includes a photoluminescent pixel) is illuminated with a light source in the absence of an electric field, and the emitter layer generates light through photoluminescence; and an OFF state, wherein an emitter layer of a device (which includes a photoluminescent pixel) is illuminated with a light source in the presence of a static or time-varying electric field, and the electric field or induced current results in quenching of the emitter photoluminescence.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 14, 2016
    Applicant: Massachusetts Institute of Technology
    Inventors: Patrick R. Brown, Geoffrey J. Supran, Jeffrey C. Grossman, Moungi G. Bawendi, Vladimir Bulovic