Patents by Inventor Yen Chiafu

Yen Chiafu 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: 11134345
    Abstract: A piezoelectric assembly, a screen component, and a mobile terminal are provided. The piezoelectric assembly can include a vibrating member made of a piezoelectric material and a signal line connected to the vibrating member. The vibrating member includes two or more piezoelectric elements stacked in sequence. A size of at least one of the piezoelectric elements is smaller than a size of any remaining one of the piezoelectric elements to form a stepped structure. Each of the piezoelectric elements is provided with two or more piezoelectric layers of the same size.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: September 28, 2021
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yen Chiafu, Jing Chen
  • Patent number: 11095989
    Abstract: A piezoelectric assembly, a screen component, and a mobile terminal are provided. The piezoelectric assembly can include a vibrating member made of a piezoelectric material and a signal line connected to the vibrating member. The vibrating member includes two or more piezoelectric layers stacked in sequence. A size of at least one of the piezoelectric layers is smaller than a size of any remaining one of the piezoelectric layers to form a stepped structure.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: August 17, 2021
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Jing Chen, Yen Chiafu
  • Publication number: 20210227332
    Abstract: A piezoelectric assembly, a screen component, and a mobile terminal are provided. The piezoelectric assembly can include a vibrating member made of a piezoelectric material and a signal line connected to the vibrating member. The vibrating member includes two or more piezoelectric layers stacked in sequence. A size of at least one of the piezoelectric layers is smaller than a size of any remaining one of the piezoelectric layers to form a stepped structure.
    Type: Application
    Filed: August 7, 2020
    Publication date: July 22, 2021
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Jing Chen, Yen Chiafu
  • Publication number: 20210227333
    Abstract: A piezoelectric assembly, a screen component, and a mobile terminal are provided. The piezoelectric assembly can include a vibrating member made of a piezoelectric material and a signal line connected to the vibrating member. The vibrating member includes two or more piezoelectric elements stacked in sequence. A size of at least one of the piezoelectric elements is smaller than a size of any remaining one of the piezoelectric elements to form a stepped structure. Each of the piezoelectric elements is provided with two or more piezoelectric layers of the same size.
    Type: Application
    Filed: August 7, 2020
    Publication date: July 22, 2021
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yen CHIAFU, Jing CHEN