Patents by Inventor Cristina Maria PETCU

Cristina Maria PETCU 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).

  • Electrowetting element with different dielectric layers
    Patent number: 10133057
    Abstract: An electrowetting element comprising a first fluid and a second fluid immiscible with the first fluid. A support plate comprises an electrode, a support plate surface and a substrate. An inorganic dielectric layer is located between the substrate and the support plate surface and is transmissive to light in the visible spectrum. An organic dielectric layer is located between the substrate and the support plate surface and is transmissive to visible light. The inorganic dielectric layer has an inorganic dielectric layer deformation behavior and the organic dielectric layer has an organic dielectric layer deformation behavior substantially equal to the inorganic dielectric layer deformation behavior.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: November 20, 2018
    Assignee: Amazon Technologies, Inc.
    Inventors: Cristina Maria Petcu, Toru Sakai
  • Electrowetting element with reflective surface
    Patent number: 9841595
    Abstract: An electrowetting element comprises a first fluid and a second fluid immiscible with the first fluid. A support plate includes a support plate surface in contact with at least one of the first or second fluids. The support plate includes an electrode for applying a voltage to control a configuration of the first and second fluids and a reflective surface. A first layer positioned between the reflective surface and the support plate surface has a first layer optical thickness substantially equal to a quarter multiple of a reference wavelength.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 12, 2017
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Karel Johannes Gerhardus Hinnen, Gerben Boon, Cristina Maria Petcu, Tulasi Sridhar Reddy Guntaka, Erno Langendijk
  • Electrowetting device with multi layer support plate
    Patent number: 9804383
    Abstract: An electrowetting element comprising a first fluid and a second fluid immiscible with the first fluid. A support plate includes an electrode and, located between the electrode and the first fluid, a first layer and a second layer. The first layer comprises an inorganic material and the second layer comprises an organic material. The first layer is in contact with the second layer and between the second layer and the first fluid.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: October 31, 2017
    Assignee: Amazon Technologies, Inc.
    Inventors: Cristina Maria Petcu, Gerben Boon
  • ELECTROWETTING DEVICE WITH MULTI LAYER SUPPORT PLATE
    Publication number: 20170097502
    Abstract: An electrowetting element comprising a first fluid and a second fluid immiscible with the first fluid. A support plate includes an electrode and, located between the electrode and the first fluid, a first layer and a second layer. The first layer comprises an inorganic material and the second layer comprises an organic material. The first layer is in contact with the second layer and between the second layer and the first fluid.
    Type: Application
    Filed: December 15, 2016
    Publication date: April 6, 2017
    Inventors: Cristina Maria PETCU, Gerben BOON
  • Electrowetting device with multi layer support plate
    Patent number: 9529188
    Abstract: An electrowetting element comprising a first fluid and a second fluid immiscible with the first fluid. A support plate includes an electrode for applying a voltage to control a configuration of the first and second fluids and a plurality of layers between the electrode and at least one of the first or second fluids. The plurality of layers includes a first layer comprising a first plurality of pinholes and a second layer comprising fewer pinholes than the first layer. The first layer is disposed on the second layer, between the second layer and at least one of the first or second fluids.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: December 27, 2016
    Assignee: Amazon Technologies, Inc.
    Inventors: Cristina Maria Petcu, Gerben Boon
  • ELECTROWETTING DEVICE WITH MULTI LAYER SUPPORT PLATE
    Publication number: 20160282605
    Abstract: An electrowetting element comprising a first fluid and a second fluid immiscible with the first fluid. A support plate includes an electrode for applying a voltage to control a configuration of the first and second fluids and a plurality of layers between the electrode and at least one of the first or second fluids. The plurality of layers includes a first layer comprising a first plurality of pinholes and a second layer comprising fewer pinholes than the first layer. The first layer is disposed on the second layer, between the second layer and at least one of the first or second fluids.
    Type: Application
    Filed: March 25, 2015
    Publication date: September 29, 2016
    Inventors: Cristina Maria PETCU, Gerben BOON