BIOMETRIC RECOGNITION APPARATUS
    21.
    发明申请
    BIOMETRIC RECOGNITION APPARATUS 有权
    生物识别装置

    公开(公告)号:US20160283769A1

    公开(公告)日:2016-09-29

    申请号:US15062657

    申请日:2016-03-07

    CPC classification number: G06K9/00026 G06K9/0002

    Abstract: A biometric recognition apparatus includes a substrate, a plurality of sensing electrodes, a plurality of traces, at least one shielding electrode, at least one insulating layer, and at least one fingerprint recognition IC. The sensing electrodes are arranged on one side of the substrate with at least one row to detect fingerprint information. Each trace is electrically coupled to at least one sensing electrode. The shielding electrodes are arranged above the traces to avoid the interference from fingers or external noise. The insulating layer is arranged between the shielding electrodes and the traces. The fingerprint recognition IC is connected to the corresponding sensing electrodes to detect the electric charge variations at the sensing electrodes.

    Abstract translation: 生物识别装置包括基板,多个感测电极,多个迹线,至少一个屏蔽电极,至少一个绝缘层以及至少一个指纹识别IC。 感测电极布置在具有至少一行的衬底的一侧上以检测指纹信息。 每个迹线电耦合到至少一个感测电极。 屏蔽电极布置在迹线上方,以避免手指或外部噪声的干扰。 绝缘层布置在屏蔽电极和迹线之间。 指纹识别IC连接到相应的感测电极以检测感测电极处的电荷变化。

    Touch control method integrating fingerprint recognition and touch operation modes

    公开(公告)号:US11614821B2

    公开(公告)日:2023-03-28

    申请号:US17536062

    申请日:2021-11-28

    Abstract: A touch control method is provided. The method includes: providing a touch device with multiple touch electrodes; determining whether an object is located in a sensing distance; detecting a sensing group sensing the object if the determination is yes; determining whether an electrode amount in the electrode group is between a first value and a second value; determining whether a sensing time of a predetermined proportion of the touch electrodes in the sensing group is equal to or greater than a predetermined time; executing a fingerprint recognition mode if the electrode amount is between the first value and the second value, and the sensing time is equal to or greater than the predetermined time; executing a touch operation mode if the electrode amount is less than the first value or greater than the second value, or the sensing time is less than the predetermined time.

    Fingerprint sensing structure with small curvature radius

    公开(公告)号:US10685207B2

    公开(公告)日:2020-06-16

    申请号:US16116876

    申请日:2018-08-29

    Abstract: A fingerprint sensing structure includes a flexible substrate divided into a fingerprint-sensing region and a non-fingerprint-sensing region. In the non-fingerprint-sensing region, the fingerprint sensing structure includes a plurality of organic insulating layers, a wiring layer having conductive wires and at least one inorganic insulating layer, where the wiring layer is sandwiched between two organic insulating layers to render the portion of the fingerprint sensing structure corresponding to non-fingerprint-sensing region to have bending with curvature radius not larger than 2 mm. In the finger sensing region, the fingerprint sensing structure includes a thin film transistor layer and a sensing electrode layer. The thin film transistor layer includes a plurality of thin film transistors, a plurality of conductive wires respectively along a first direction and a second direction. The sensing electrode layer has a plurality of sensing electrodes to sense surface features of living organism.

    Fingerprint identification apparatus having conductive structure

    公开(公告)号:US10509936B2

    公开(公告)日:2019-12-17

    申请号:US15687544

    申请日:2017-08-28

    Abstract: A fingerprint identification apparatus having a conductive structure includes an insulated casing, a conductive wire, and a fingerprint identification module. The insulated casing has a first surface with a fingerprint detection region and a second surface. The conductive wire has a first wire segment and a second wire segment. The first wire segment forms on the first surface and contacts with the fingerprint detection region. The second wire segment forms on the second surface and electrically connects to the first wire segment. The fingerprint identification module is disposed on the second surface and electrically connected to the second wire segment. Therefore, the conductive structure for fingerprint identification is provided to increase accuracy and security of the fingerprint identification and reduce manufacturing costs.

    OLED display panel with touch sensing electrodes

    公开(公告)号:US10331263B2

    公开(公告)日:2019-06-25

    申请号:US15359961

    申请日:2016-11-23

    Abstract: An OLED display panel includes a common electrode layer, a display pixel electrode and touch sensing electrode layer, an OLED layer, a lower substrate, a thin film transistor layer, and an encapsulation layer. The common electrode layer has plural through holes defined therein. The display pixel electrode and touch sensing electrode layer includes plural display pixel electrodes and plural touch sensing electrodes, wherein each touch sensing electrode has a mesh type pattern. The OLED layer is configured between the common electrode layer and the display pixel electrode and touch sensing electrode layer. The thin film transistor layer is disposed at one side of the lower substrate facing the OLED layer. The encapsulation layer is disposed at the other side of the common electrode layer facing the OLED layer. A first power circuit for the touch sensing electrodes is independent to a second power circuit for the OLED display panel.

    Sensing apparatus for touch and force sensing

    公开(公告)号:US10289241B2

    公开(公告)日:2019-05-14

    申请号:US15611778

    申请日:2017-06-01

    Abstract: A sensing apparatus for touch and force sensing includes from, top to bottom, a protection layer, a touch electrode layer, a force electrode layer, and a resilient dielectric layer, and further includes a capacitance sensing module. In touch sensing operation, the capacitance sensing module sequentially or randomly applies a touch driving signal to selected ones of the second touch electrodes, and sequentially or randomly receives a touch sensing signal from selected ones of the first touch electrodes. In force sensing operation, the capacitance sensing module sequentially or randomly applies a force capacitance-exciting signal to the at least one force sensing electrode and obtains a force sensing signal from the force sensing electrode.

    Fingerprint identification device and method

    公开(公告)号:US10282580B2

    公开(公告)日:2019-05-07

    申请号:US15352137

    申请日:2016-11-15

    Abstract: A fingerprint identification device includes a substrate, at least two electrode areas, at least one dedicated sensing signal line, plural electrode selection switch groups, and plural signal lines. Each electrode area has plural electrodes. The signal lines are divided into plural first directional signal lines and plural second directional signal lines. The first directional signal lines are perpendicular to the second directional signal lines. The plural electrode selection switch groups sequentially or dynamically select at least one electrode as a sensing electrode block in each electrode area. The plural electrode selection switch groups configure the electrodes surrounding the sensing electrode block as at least two corresponding deflection electrode blocks. Each sensing electrode block is corresponding to at least two deflection electrode blocks. Each deflection electrode block has plural electrodes.

    Electronic device with touch control circuit powered by dedicated power source

    公开(公告)号:US10191601B2

    公开(公告)日:2019-01-29

    申请号:US14959638

    申请日:2015-12-04

    Abstract: An electronic device with touch control circuit powered by dedicated power source includes a functional circuit, a plurality of touch sensing electrodes, and a touch sensing control circuit. The functional circuit is powered by a first power source. The touch sensing electrodes are provided for sensing a touch from an external object. The touch sensing control circuit is powered by a second power source which is different from the first power source. The touch sensing control circuit is connected to the touch sensing electrodes for driving the touch sensing electrodes to sense the touch, wherein there is no common current loop between the first power source and the second power source during an operation of touch sensing.

    Mobile device with high-accuracy fingerprint identification

    公开(公告)号:US10146984B2

    公开(公告)日:2018-12-04

    申请号:US14832578

    申请日:2015-08-21

    Abstract: A mobile device with high-accuracy fingerprint identification includes a display panel, a transparent protection layer, and a fingerprint identification device. The transparent protection layer has one surface attached to the display panel. The fingerprint identification device is attached to the surface of the transparent protection layer for detecting a user fingerprint. The fingerprint identification device includes a flexible substrate, a fingerprint sensor, and a detector. The fingerprint sensor is disposed on the flexible substrate for sensing the user fingerprint to generate a fingerprint image. The detector is disposed on the flexible substrate and electrically connected to the fingerprint sensor for distinguishing a minute parasitic capacitance variation generated by the fingerprint sensor. A part of the flexible substrate arranged with the fingerprint sensor is closely attached to the transparent protection layer, and a part of the flexible substrate arranged with the detector is separately attached to the transparent protection layer.

    Capacitive pressure sensor and method for the same

    公开(公告)号:US10120479B2

    公开(公告)日:2018-11-06

    申请号:US15396689

    申请日:2017-01-02

    Abstract: A capacitive pressure sensor includes an upper substrate having a first face and a second face opposite to the first face, a first electrode layer with a plurality of first sensing electrodes, a second electrode layer having at least one second sensing electrode, a dielectric layer arranged between the first and the second electrode layers, and a capacitance sensing circuit. In pressure sensing operation, the capacitance sensing circuit sends a capacitance-exciting signal to the at least one second sensing electrode and obtains a pressure sensing signal from the second sensing electrode.

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