Patents by Inventor Xuexia Cai

Xuexia Cai 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: 10310671
    Abstract: A touch sensor device provided herein includes a sensor pad disposed on a carrier, wherein the sensor pad includes a first electrode, a second electrode, a third electrode and a grounding electrode. The first electrode surrounds a periphery of the second electrode and a first gap is formed between the first electrode and the second electrode. The first electrode surrounds a periphery of the third electrode, and a second gap is formed between the first electrode and the third electrode. The grounding electrode surrounds a periphery of the pad sensor, wherein a third gap is formed between the first electrode and the grounding electrode.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: June 4, 2019
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Cheng-Hung Tsai, Xuexia Cai, Yuan-Ting Chen, Jui-Ni Li, Wai-Pan Wu, Shen-Feng Tai
  • Publication number: 20180314386
    Abstract: A touch sensor device provided herein includes a sensor pad disposed on a carrier, wherein the sensor pad includes a first electrode, a second electrode, a third electrode and a grounding electrode. The first electrode surrounds a periphery of the second electrode and a first gap is formed between the first electrode and the second electrode. The first electrode surrounds a periphery of the third electrode, and a second gap is formed between the first electrode and the third electrode. The grounding electrode surrounds a periphery of the pad sensor, wherein a third gap is formed between the first electrode and the grounding electrode.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 1, 2018
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Cheng-Hung Tsai, Xuexia Cai, Yuan-Ting Chen, Jui-Ni Li, Wai-Pan Wu, Shen-Feng Tai