Patents by Inventor Chenjin LIU

Chenjin LIU 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).

  • Fingerprint identification apparatus and electronic device
    Patent number: 11403870
    Abstract: A fingerprint identification apparatus and an electronic device are provided. The fingerprint identification apparatus is used to be disposed under a display screen of an electronic device, including: a sensor chip, where the sensor chip includes a light detecting array and a chip seal ring, and the chip seal ring is disposed around the light detecting array; a light shielding layer, formed on the light detecting array, where the light shielding layer is provided with a plurality of light passing apertures, and the light shielding layer covers an whole region of the light detecting array and at least covers partial region of the chip seal ring; and the fingerprint light signal, returned after reflection or scattering via a finger above the display screen, is transmitted to the light detecting array through the plurality of light passing apertures on the light shielding layer for fingerprint identification.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: August 2, 2022
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Chenjin Liu, Jianxiang Zhang, Baoquan Wu
  • FINGERPRINT IDENTIFICATION APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20210326570
    Abstract: A fingerprint identification apparatus and an electronic device are provided. The fingerprint identification apparatus is used to be disposed under a display screen of an electronic device, including: a sensor chip, where the sensor chip includes a light detecting array and a chip seal ring, and the chip seal ring is disposed around the light detecting array; a light shielding layer, formed on the light detecting array, where the light shielding layer is provided with a plurality of light passing apertures, and the light shielding layer covers an whole region of the light detecting array and at least covers partial region of the chip seal ring; and the fingerprint light signal, returned after reflection or scattering via a finger above the display screen, is transmitted to the light detecting array through the plurality of light passing apertures on the light shielding layer for fingerprint identification.
    Type: Application
    Filed: June 29, 2021
    Publication date: October 21, 2021
    Inventors: Chenjin LIU, Jianxiang ZHANG, Baoquan WU