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    TOUCHSCREEN DEVICE WITH INTEGRATED FINGERPRINT SENSOR
    1.
    发明申请
    TOUCHSCREEN DEVICE WITH INTEGRATED FINGERPRINT SENSOR 审中-公开

    公开(公告)号：US20180113558A1

    公开(公告)日：2018-04-26

    申请号：US15789852

    申请日：2017-10-20

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Jiho CHO ,  Kyoseop CHOO ,  Manhyeop HAN

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

    CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04106 ,  G06K9/0002

    Abstract: The present disclosure provides a touchscreen device with an integrated fingerprint sensor. The touchscreen device including a touchscreen having a touch area for touch sensing and a fingerprint and touch area for touch sensing and fingerprint sensing, the touch area having Tx electrodes arranged in a first direction and Rx electrodes arranged in a second direction, and the fingerprint and touch area having FTx electrodes arranged in the first direction and FRx electrodes arranged in the second direction, and a touch IC that performs touch sensing through the touch area and the fingerprint and touch area and performs fingerprint sensing through the fingerprint and touch area, wherein the Rx electrodes form a plurality of groups, and the groups are individually and separately connected to Rx lines in the boundary region between the touch area and the fingerprint and touch area.

    TOUCH SCREEN DRIVER AND METHOD FOR DRIVING THE SAME
    2.
    发明申请
    TOUCH SCREEN DRIVER AND METHOD FOR DRIVING THE SAME 有权
    触摸屏幕驱动器及其驱动方法

    公开(公告)号：US20130076675A1

    公开(公告)日：2013-03-28

    申请号：US13626287

    申请日：2012-09-25

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Myungho SHIN ,  Jiho CHO ,  Jungtae BAE

    IPC: G06F3/038 ,  G06F3/041

    CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044

    Abstract: A touch screen driver and method for driving the same are disclosed. The touch screen driver includes a Tx driving circuit which sequentially supplies a pair of out-of-phase composed of a first driving signal and a second driving signal which has a phase difference of 180° with respect to the first driving signal and the second driving signal driving signals to Tx lines, wherein the first signal and the second signal are simultaneously supplied to the adjacent Tx lines, respectively; and an Rx driving circuit which samples a charge of the touch sensor received through the Rx lines coupled with the Tx lines and converts the sampled charge into digital data.

    Abstract translation: 公开了一种触摸屏驱动器及其驱动方法。 触摸屏驱动器包括Tx驱动电路，其顺序地提供由第一驱动信号组成的一对异相和相对于第一驱动信号和第二驱动相位差为180°的第二驱动信号 信号驱动信号到Tx线，其中第一信号和第二信号分别同时提供给相邻的Tx线; 以及Rx驱动电路，其对通过与Tx线耦合的Rx线接收的触摸传感器的电荷进行采样，并将采样的电荷转换成数字数据。

    FINGERPRINT SENSOR ARRAY AND DISPLAY DEVICE HAVING THE SAME
    5.
    发明申请
    FINGERPRINT SENSOR ARRAY AND DISPLAY DEVICE HAVING THE SAME 审中-公开

    公开(公告)号：US20170091508A1

    公开(公告)日：2017-03-30

    申请号：US14982158

    申请日：2015-12-29

    Applicant: LG Display Co., Ltd.

    Inventor： Manhyeop HAN ,  Kyoseop CHOO ,  Jiho CHO

    IPC: G06K9/00 ,  G06F3/041

    CPC classification number: G06K9/0002 ,  G06F3/041

    Abstract: Provided are a fingerprint sensor and a display device including the same. A fingerprint sensor array includes: a plurality of first electrodes arranged in a first direction, each of the plurality of first electrodes including at least one of: a first transparent electrode including a transparent conductive material and a first metal electrode including a low-resistance metal material; a plurality of second electrodes arranged in a second direction crossing the first direction, each of the plurality of second electrodes including at least one of: a second transparent electrode including the transparent conductive material and a second metal electrode including the low-resistance metal material; and an insulating layer between the plurality of first electrodes and the plurality of second electrodes to insulate the first electrodes from the second electrodes.

    FINGERPRINT SENSOR INTEGRATED TYPE TOUCH SCREEN DEVICE
    6.
    发明申请
    FINGERPRINT SENSOR INTEGRATED TYPE TOUCH SCREEN DEVICE 有权
    指纹传感器集成式触摸屏设备

    公开(公告)号：US20170024602A1

    公开(公告)日：2017-01-26

    申请号：US15176969

    申请日：2016-06-08

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Manhyeop HAN ,  Kyoseop CHOO ,  Moonbong SONG ,  Jiho CHO

    IPC: G06K9/00

    CPC classification number: G06K9/00013 ,  G06F3/0416 ,  G06F3/044

    Abstract: Disclosed is a fingerprint sensor integrated type touch screen device that includes a touch screen having at least one fingerprint & touch area and a plurality of touch areas, each touch area including Tx electrode lines of a first group crossing Rx electrode lines of the first group, and touch sensors at crossings of the Tx electrode lines of the first group and the Rx electrode lines of the first group; and a touch integrated circuit (IC) that supplies a sensor driving signal of a same phase to the Tx electrode lines of the first group, groups first effective Rx channels of the Rx electrode lines of the first group as a bundle, and simultaneously senses the first effective Rx channels through a first touch sensing part, wherein first ineffective Rx channels of the Rx electrode lines of the first group are electrically disconnected from the first touch sensing part.

    Abstract translation: 公开了一种指纹传感器集成型触摸屏设备，其包括具有至少一个指纹和触摸区域和多个触摸区域的触摸屏，每个触摸区域包括与第一组的Rx电极线交叉的第一组的Tx电极线， 并且在第一组的Tx电极线和第一组的Rx电极线的交叉处触摸传感器; 以及向第一组的Tx电极线提供相同相位的传感器驱动信号的触摸集成电路（IC），将第一组的Rx电极线的第一有效Rx通道组合为一束，同时感测 通过第一触摸感测部分的第一有效Rx信道，其中第一组的Rx电极线的第一无效接收信道与第一触摸感测部分电断开。

    FINGERPRINT SENSOR INTEGRATED TYPE TOUCH SCREEN PANEL
    7.
    发明申请
    FINGERPRINT SENSOR INTEGRATED TYPE TOUCH SCREEN PANEL 审中-公开
    指纹传感器集成式触摸屏面板

    公开(公告)号：US20160350570A1

    公开(公告)日：2016-12-01

    申请号：US14950871

    申请日：2015-11-24

    Applicant: LG Display Co., Ltd.

    Inventor： Manhyeop HAN ,  Moonbong SONG ,  Jiho CHO

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

    CPC classification number: G06K9/0002 ,  G06F3/0416 ,  G06F3/044

    Abstract: A touch sensing device comprises a plurality of first touch electrodes and a plurality of second touch electrodes located in an active area of the touch sensing device, the plurality of first touch electrodes and the plurality of second touch electrodes arranged in a first direction. The touch sensing device also includes a plurality of third touch electrodes located in the active area and arranged in a second direction that crosses the first direction. The first touch electrodes, second touch electrodes, and third touch electrodes have a first resolution for sensing touch in the active area. The touch sensing device also includes a plurality of combination touch and fingerprint electrodes located in the active area, the plurality of combination touch and fingerprint electrodes having a second resolution for sensing both touch and a fingerprint in the active area and the second resolution being higher than the first resolution.

    Abstract translation: 触摸感测装置包括多个第一触摸电极和位于触摸感测装置的有效区域中的多个第二触摸电极，多个第一触摸电极和多个第二触摸电极沿第一方向布置。 触摸感测装置还包括位于有源区域中的多个第三触摸电极，并且沿与第一方向相交的第二方向布置。 第一触摸电极，第二触摸电极和第三触摸电极具有用于感测有源区域中的触摸的第一分辨率。 触摸感测装置还包括位于有源区域中的多个组合的触摸和指纹电极，所述多个组合触摸和指纹电极具有用于感测有源区域中的触摸和指纹的第二分辨率，并且第二分辨率高于 第一个决议。

    SENSOR SCREEN PERCEIVING TOUCH AND FINGERPRINT
    10.
    发明申请
    SENSOR SCREEN PERCEIVING TOUCH AND FINGERPRINT 审中-公开

    公开(公告)号：US20170336910A1

    公开(公告)日：2017-11-23

    申请号：US15392795

    申请日：2016-12-28

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Manhyeop HAN ,  Jiho CHO ,  Junghoon LEE

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

    CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F2203/04107 ,  G06K9/0002

    Abstract: The present disclosure relates to a sensor screen capable of recognizing a touch and a fingerprint. A touch screen includes an active area having a minor axis and a major axis intersecting each other, and a bezel area outside the active area. The touch screen includes a plurality of touch sensing electrode groups arranged in the minor axis direction, a plurality of touch driving electrode groups arranged in the major axis direction, a plurality of fingerprint and touch driving electrodes arranged in the major axis direction between the touch driving electrode groups, a plurality of fingerprint and touch sensing electrodes arranged adjacent to the outermost touch sensing electrode group from among the plurality of touch sensing electrode groups and a read-out IC arranged adjacent to the plurality of fingerprint and touch sensing electrodes.

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