Patents by Inventor Sehyun CHANG

Sehyun CHANG 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).

  • Patent number: 10444889
    Abstract: A touch display device, as well as its driving method, is capable of supplying a touch driving signal for touch sensing and a force touch driving signal for force touch sensing, while also reducing current consumption. A driving circuit of the touch display device changes the number of changing a pulse waveform of a sync signal between a high logic level and a low logic level, wherein the sync signal is provided to control a touch driving signal supplied to a plurality of touch electrodes, and a force touch driving signal supplied to a display module.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 15, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: SeHyun Chang, Dong-Woo Lee
  • Publication number: 20180181248
    Abstract: A touch display device, as well as its driving method, is capable of supplying a touch driving signal for touch sensing and a force touch driving signal for force touch sensing, while also reducing current consumption. A driving circuit of the touch display device changes the number of changing a pulse waveform of a sync signal between a high logic level and a low logic level, wherein the sync signal is provided to control a touch driving signal supplied to a plurality of touch electrodes, and a force touch driving signal supplied to a display module.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 28, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: SeHyun CHANG, Dong-Woo LEE
  • Patent number: 9994251
    Abstract: A method for controlling an output of a power steering system may include sensing at least one of a driving speed of a vehicle, a steering angle, a steering angular velocity, and a steering torque; obtaining a target steering torque by using at least one of the driving speed, the steering angle, the steering angular velocity, and the steering torque; and determining a motor assist output of the power steering system by using the target steering torque.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: June 12, 2018
    Assignee: Hyundai Motor Company
    Inventors: Sehyun Chang, Byung Rim Lee, Minjun Kim, Youngdae Park, Hyeonseok Cho
  • Publication number: 20160368530
    Abstract: A method for controlling an output of a power steering system may include sensing at least one of a driving speed of a vehicle, a steering angle, a steering angular velocity, and a steering torque; obtaining a target steering torque by using at least one of the driving speed, the steering angle, the steering angular velocity, and the steering torque; and determining a motor assist output of the power steering system by using the target steering torque.
    Type: Application
    Filed: November 5, 2015
    Publication date: December 22, 2016
    Applicant: Hyundai Motor Company
    Inventors: Sehyun CHANG, Byung Rim LEE, Minjun KIM, Youngdae PARK, Hyeonseok CHO