Patents by Inventor Mickael Joulaud

Mickael Joulaud 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).

  • Display device based on electrowetting effect
    Patent number: 8035880
    Abstract: In a reflective a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e.g. oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at least partly adjoins the first support plate, in which picture elements are separated by areas (13) having a hydrophilic surface dyes (or sometimes pigments) are added to the oil (usually hydrocarbon but also possibly silicone or fluorocarbon), to provide sufficient optical intensity.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: October 11, 2011
    Assignee: Liquavista, B.V.
    Inventors: Robert A. Hayes, Mickael Joulaud, Thibault J B Roques-Carmes, Stephanie A. Palmier
  • DISPLAY DEVICE BASED ON ELECTROWETTING EFFECT
    Publication number: 20100296150
    Abstract: In a reflective a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e.g oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at least partly adjoins the first support plate, in which picture elements are separated by areas (13) having a hydrophilic surface dyes (or sometimes pigments) are added to the oil (usually hydrocarbon but also possibly silicone or fluorocarbon), to provide sufficient optical intensity.
    Type: Application
    Filed: May 21, 2010
    Publication date: November 25, 2010
    Applicant: LIQUAVISTA B.V.
    Inventors: Robert A. Hayes, Mickael Joulaud, Thibault J.B. Roques-Carmes, Stephanie A. Palmier
  • Display device based on electrowetting effect
    Patent number: 7800816
    Abstract: In a reflective a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e. g oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at least partly adjoins the first support plate, in which picture elements are separated by areas (13) having a hydrophilic surface dyes (or sometimes pigments) are added to the oil (usually hydrocarbon but also possibly silicone or fluorocarbon), to provide sufficient optical intensity.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: September 21, 2010
    Assignee: Liquavista B.V.
    Inventors: Robert A. Hayes, Mickael Joulaud, Thibault J B Roques-Carmes, Stephanie A. Palmier
  • Display Device Based on Electrowetting Effect
    Publication number: 20080225374
    Abstract: In a reflective a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e. g oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at least partly adjoins the first support plate, in which picture elements are separated by areas (13) having a hydrophilic surface dyes (or sometimes pigments) are added to the oil (usually hydrocarbon but also possibly silicone or fluorocarbon), to provide sufficient optical intensity.
    Type: Application
    Filed: April 1, 2005
    Publication date: September 18, 2008
    Inventors: Robert A. Hayes, Mickael Joulaud, Thibault J. B. Roques-Carmes, Stephanie a. Palmier