Patents by Inventor ZhangDong TAN

ZhangDong TAN 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: 11804341
    Abstract: The present invention provides a keycap, method for manufacturing a keycap, and keyswitch. The keycap comprises an inner keycap member, an outer keycap member, and a character layer. The inner keycap member comprises an inner body and an inner sidewall. The inner sidewall is disposed on the periphery of the inner body. The outer keycap member is disposed on the inner keycap member. The outer keycap member comprises an outer body and an outer sidewall. The outer sidewall is disposed on the periphery of the outer body. The outer body is corresponding to the inner body. The outer sidewall corresponds to the inner sidewall. The character layer is disposed between the inner keycap member and the outer keycap member. The character layer comprises a character pattern disposed between the outer body and the inner body.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: October 31, 2023
    Assignees: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology Corporation
    Inventors: XiaoQiang Liang, Wei-Pin Chuang, Lei Shi, ZhangDong Tan
  • Publication number: 20210398757
    Abstract: The present invention provides a keycap, method for manufacturing a keycap, and keyswitch. The keycap comprises an inner keycap member, an outer keycap member, and a character layer. The inner keycap member comprises an inner body and an inner sidewall. The inner sidewall is disposed on the periphery of the inner body. The outer keycap member is disposed on the inner keycap member. The outer keycap member comprises an outer body and an outer sidewall. The outer sidewall is disposed on the periphery of the outer body. The outer body is corresponding to the inner body. The outer sidewall corresponds to the inner sidewall. The character layer is disposed between the inner keycap member and the outer keycap member. The character layer comprises a character pattern disposed between the outer body and the inner body.
    Type: Application
    Filed: November 24, 2020
    Publication date: December 23, 2021
    Applicants: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology Corporation
    Inventors: XiaoQiang LIANG, Wei-Pin CHUANG, Lei SHI, ZhangDong TAN
  • Publication number: 20210296062
    Abstract: The present disclosure provides a keyswitch, comprising an auxiliary component, a membrane circuit, an elastic member, a frame, an elevating component, and a keycap. The membrane circuit is disposed on the auxiliary component. The elastic member is disposed on a surface of the membrane circuit away from the auxiliary component. The frame is disposed on a surface of the membrane circuit away from the auxiliary component. The elastic member is disposed on a surface of the membrane and protrudes from the frame. One end of the elevating component is movably connected to the frame. The elastic member passes through the elevating component. The keycap is movably connected to the other end of the elevating component. The elastic member supports the keycap. The keycap moves upward and downward relative to the frame by the elevating component.
    Type: Application
    Filed: May 8, 2020
    Publication date: September 23, 2021
    Applicants: LITE-ON Technology (Chang Zhou) Co., LTD., LITE-ON Technology Corporation
    Inventors: XiaoQiang LIANG, Wei-Pin CHUANG, Lei SHI, ZhangDong TAN