公开(公告)号：US20220214790A1

公开(公告)日：2022-07-07

申请号：US17483735

申请日：2021-09-23

Applicant: Shenzhen Goodix Technology Co., Ltd.

Inventor： Rong ZHANG ,  Zhongbo LUO ,  Xiaoxia YAN ,  Xu LU

IPC: G06F3/041 ,  G06F3/01

Abstract: A touchpad and an electronic device are disclosed. The touchpad includes a touch panel; a plurality of pressure sensors fixed to an elastic bracket and configured to detect a pressure applied on the touch panel; a piezoelectric ceramic assembly including a piezoelectric ceramic plate configured to provide a vibration feedback to a user, where the piezoelectric ceramic assembly is fixed below the touch panel in a suspended manner and spaced from the elastic bracket.

公开(公告)号：US20180081467A1

公开(公告)日：2018-03-22

申请号：US15798075

申请日：2017-10-30

Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.

Inventor： Hong JIANG ,  Lin FENG ,  Zhongbo LUO

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/0354 ,  G06K9/00

Abstract: A pressure detection apparatus includes: a drive power supply, a differential circuit, a pressure calculation unit, and at least one pressure sensor. Each pressure sensor includes a first electrode plate, a second electrode plate, a third electrode plate, a first elastic dielectric layer, and a second elastic dielectric layer. One detection capacitor is formed between the first electrode plate and the second electrode plate, and one detection capacitor is formed between the first electrode plate and the third electrode plate. The pressure sensor is connected between the drive power supply and an input terminal of the differential circuit, and an output terminal of the differential circuit is connected to the pressure calculation unit.

公开(公告)号：US20200242323A1

公开(公告)日：2020-07-30

申请号：US16851846

申请日：2020-04-17

Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.

Inventor： Peng JIANG ,  Zhongbo LUO ,  Zhiming HOU ,  Jun CAI

IPC: G06K9/00 ,  H01L27/32 ,  H04M1/02 ,  G06K9/20 ,  G02B7/04 ,  G02B13/00

Abstract: Provided are an under-screen biometric identification apparatus and an electronic device. The under-screen biometric identification apparatus includes: a lens disposed under a display screen for receiving an optical signal formed by reflection of a human finger on the display screen, where the optical signal is used to detect biometric information of the finger; a lens barrel, where the lens is fixed in the lens barrel; and a support, where the support is connected to the lens barrel by means of threaded connection for supporting the lens barrel. An under-screen biometric identification apparatus and an electronic device provided in embodiments of the present application can improve the efficiency of under-screen biometric identification.

公开(公告)号：US20200012835A1

公开(公告)日：2020-01-09

申请号：US16563854

申请日：2019-09-07

Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.

Inventor： Peng JIANG ,  Zhongbo LUO ,  Zhiming HOU ,  Jun CAI

IPC: G06K9/00 ,  G02B13/00 ,  G02B7/04

Abstract: Provided are an under-screen biometric identification apparatus and an electronic device. The under-screen biometric identification apparatus includes: a lens disposed under a display screen for receiving an optical signal formed by reflection of a human finger on the display screen, where the optical signal is used to detect biometric information of the finger; a lens barrel, where the lens is fixed in the lens barrel; and a support, where the support is connected to the lens barrel by means of threaded connection for supporting the lens barrel. An under-screen biometric identification apparatus and an electronic device provided in embodiments of the present application can improve the efficiency of under-screen biometric identification.