Fingerprint recognition device and touch control device with fingerprint recognition function

    公开(公告)号:US10346662B2

    公开(公告)日:2019-07-09

    申请号:US15591437

    申请日:2017-05-10

    Abstract: A fingerprint recognition device includes a light-transmissible substrate, a plurality of sensing elements, a set of conductive lines and a fingerprint recognition chip. The sensing elements are disposed and the set of conductive lines are an upper surface of the light-transmissible substrate. The fingerprint recognition chip is also disposed on the upper surface of the light-transmissible substrate, and is connected to the sensing elements through the set of conductive lines. The fingerprint recognition chip drives the sensing elements, receives a plurality of sensing results generated by the sensing elements, and accordingly determines a user fingerprint.

    In-cell touch display panel
    32.
    发明授权

    公开(公告)号:US10345978B2

    公开(公告)日:2019-07-09

    申请号:US15812138

    申请日:2017-11-14

    Abstract: An in-cell touch display panel includes a substrate, a semiconductor stack, a transparent layer, an insulation layer, and a metal layer. The semiconductor stack is disposed on the substrate, and includes a plurality of pixel control elements. The transparent layer is disposed on the semiconductor layer stack, and includes a plurality of first touch electrode portions and a plurality of first connecting lines extending along a first direction. The insulation layer is disposed on the transparent layer. The metal layer is disposed on the insulation layer, and includes a plurality of second touch electrode portions and a plurality of second connecting lines extending along a second direction. The second connecting lines and the first touch electrode portions form a plurality of first touch electrode strips, and the first connecting lines and the second touch electrode portions form a plurality of second touch electrode strips.

    Buffer circuit
    33.
    发明授权
    Buffer circuit 有权
    缓冲电路

    公开(公告)号:US09374047B2

    公开(公告)日:2016-06-21

    申请号:US14455991

    申请日:2014-08-11

    Abstract: The present disclosure provides a buffer circuit comprising a plurality of operational amplifiers and a switch module. Each operational amplifier forms a buffer. The operational amplifier has an output stage. The stage has a first transistor and a second transistor. The first transistor and the second transistor are connected to an output terminal. The first transistor has a first control terminal. The second transistor has a second control terminal. The switch module is connected to the first control terminal of the first transistor and the second control terminal of the second transistor. The switch module connects together at least two of the first terminals of the first transistor according to a control signal. The switch module connects together at least two of the second terminals of the second transistor according to the control signal.

    Abstract translation: 本公开提供了一种包括多个运算放大器和开关模块的缓冲电路。 每个运算放大器形成缓冲器。 运算放大器有一个输出级。 该级具有第一晶体管和第二晶体管。 第一晶体管和第二晶体管连接到输出端。 第一晶体管具有第一控制端。 第二晶体管具有第二控制端子。 开关模块连接到第一晶体管的第一控制端和第二晶体管的第二控制端。 开关模块根据控制信号将第一晶体管的至少两个第一端子连接在一起。 开关模块根据控制信号将第二晶体管的至少两个第二端子连接在一起。

    Current-to-voltage converter and electronic apparatus thereof
    34.
    发明授权
    Current-to-voltage converter and electronic apparatus thereof 有权
    电流 - 电压转换器及其电子设备

    公开(公告)号:US09024664B2

    公开(公告)日:2015-05-05

    申请号:US14018457

    申请日:2013-09-05

    CPC classification number: H02M1/00 H03F3/345

    Abstract: A current-to-voltage converter which is used to receive an input current and to generate an output voltage accordingly comprises a current tracking bias circuit, a current-to-voltage unit, and a voltage clamp bias circuit. The current tracking bias circuit generates a first bias according to the input current. The current-to-voltage unit receives the first bias and the input current, and generates the output voltage according to the input current, wherein the first bias determines a range of the input current, the current-to-voltage unit has a first current control device, and the first current control device changes a current conduction level thereof in response to the first bias, such that a rising or falling speed of the output voltage is enhanced. The voltage clamp bias circuit clamps voltage levels of two ends where the voltage clamp bias circuit is connected to the current-to-voltage unit.

    Abstract translation: 用于接收输入电流并产生输出电压的电流 - 电压转换器相应地包括电流跟踪偏置电路,电流 - 电压单元和电压钳位偏置电路。 电流跟踪偏置电路根据输入电流产生第一偏置。 电流 - 电压单元接收第一偏压和输入电流,并根据输入电流产生输出电压,其中第一偏压确定输入电流的范围,电流 - 电压单元具有第一电流 控制装置,并且第一电流控制装置响应于第一偏置改变其电流导通电平,使得输出电压的上升或下降速度增强。 电压钳位偏置电路钳位电压钳位偏置电路连接到电流 - 电压单元的两端的电压电平。

    BANDGAP REFERENCE VOLTAGE CIRCUIT AND ELECTRONIC APPARATUS THEREOF
    35.
    发明申请
    BANDGAP REFERENCE VOLTAGE CIRCUIT AND ELECTRONIC APPARATUS THEREOF 审中-公开
    带式参考电压电路及其电子设备

    公开(公告)号:US20150048879A1

    公开(公告)日:2015-02-19

    申请号:US14133574

    申请日:2013-12-18

    CPC classification number: G05F3/205 G05F3/30

    Abstract: A bandgap reference voltage circuit comprises a current mirror unit, an operation amplifier (OP), a first resistor, a second resistor, an auxiliary unit, and a voltage generation circuit. An output end of the OP is coupled to a feedback end of the current mirror unit. An end of the first resistor and an end of the second resistor are coupled to a positive input end of the OP. Another end of the first resistor is coupled to a second end of the current mirror unit. A second end of the voltage generation circuit is coupled to another end of the second resistor. An end of the auxiliary unit is coupled to a negative input end of the OP and a first end of the voltage generation circuit, and another end of the auxiliary unit is coupled to the first end of the current mirror unit.

    Abstract translation: 带隙参考电压电路包括电流镜单元,运算放大器(OP),第一电阻器,第二电阻器,辅助单元和电压产生电路。 OP的输出端耦合到电流镜单元的反馈端。 第一电阻器的端部和第二电阻器的端部耦合到OP的正输入端。 第一电阻器的另一端耦合到电流镜单元的第二端。 电压产生电路的第二端耦合到第二电阻器的另一端。 辅助单元的端部耦合到OP的负输入端和电压产生电路的第一端,并且辅助单元的另一端耦合到电流镜单元的第一端。

    TRANSPARENT TOUCH PANEL
    36.
    发明申请
    TRANSPARENT TOUCH PANEL 审中-公开
    透明触控面板

    公开(公告)号:US20140362027A1

    公开(公告)日:2014-12-11

    申请号:US14032175

    申请日:2013-09-19

    CPC classification number: G06F3/044

    Abstract: A transparent touch panel includes a transparent substrate and a transparent layer disposed on the transparent substrate. The surface of the transparent substrate has an electrode region and a wiring region. The transparent layer includes at least one touch sensitive electrode and at least one conductive wiring. The at least one touch sensitive electrode is disposed in the electrode region and has a plurality of bent slits. The at least one conductive wiring is disposed in the wiring region and electrically connected to the touch sensitive electrode and has a bent shape.

    Abstract translation: 透明触摸面板包括透明基板和设置在透明基板上的透明层。 透明基板的表面具有电极区域和布线区域。 透明层包括至少一个触敏电极和至少一个导电布线。 所述至少一个触敏电极设置在所述电极区域中并且具有多个弯曲狭缝。 所述至少一个导电布线布置在所述布线区域中并且电连接到所述触敏电极并具有弯曲形状。

    SINGLE ELECTRODE LAYERED CAPACITIVE TOUCH-CONTROL DEVICE AND PANEL MODULE THEREOF
    37.
    发明申请
    SINGLE ELECTRODE LAYERED CAPACITIVE TOUCH-CONTROL DEVICE AND PANEL MODULE THEREOF 审中-公开
    单电极层电容触摸控制装置及其面板模块

    公开(公告)号:US20140247401A1

    公开(公告)日:2014-09-04

    申请号:US13903025

    申请日:2013-05-28

    CPC classification number: G06F3/044

    Abstract: A panel module includes a substrate and a transparent electrode layer disposed on the substrate. The inner surface of the substrate has a plurality of touch-control segments. The transparent electrode layer of each touch-control segment has a coupling electrode, a plurality of first electrodes, and a plurality of second electrodes, wherein the coupling electrode, the first electrodes, and the second electrodes are arranged in an interval and insulting with each other. Each coupling electrode is separating the corresponding touch-control segment into a first-side region and a second-side region, wherein the first-side region and the second-side region are arranged on two opposite sides of the coupling electrode, the first electrodes are disposed on the first-side region, and the second electrodes are disposed on the second-side region. A portion of the transparent electrode layer disposed on any two adjacent touch-control segments are configured in a mirror symmetry arrangement.

    Abstract translation: 面板模块包括基板和设置在基板上的透明电极层。 基板的内表面具有多个触摸控制段。 每个触摸控制段的透明电极层具有耦合电极,多个第一电极和多个第二电极,其中耦合电极,第一电极和第二电极以间隔排列并且与每个 其他。 每个耦合电极将相应的触摸控制段分离成第一侧区域和第二侧区域,其中第一侧区域和第二侧区域布置在耦合电极的两个相对侧上,第一电极 设置在第一侧区域上,第二电极设置在第二侧区域。 布置在任何两个相邻的触摸控制部分上的透明电极层的一部分被配置为镜像对称布置。

    Touch Panel and Touch Input System
    38.
    发明申请

    公开(公告)号:US20230051460A1

    公开(公告)日:2023-02-16

    申请号:US17541269

    申请日:2021-12-03

    Inventor: Chia-Yu Hung

    Abstract: A touch input system includes a touch panel, configured to transmit an uplink signal; and an active stylus, configured to analyze the uplink signal, synchronize timing and bi-directionally communicate with the touch panel according to the uplink signal; wherein the uplink signal includes a preamble, for synchronizing the timing; a digital data, for bi-directionally communicating between the active stylus and the touch panel; and a cyclic redundancy check, for executing an error check and an error correction for data.

    TOUCH CONTROL DEVICE AND STYLUS THEREOF

    公开(公告)号:US20220276727A1

    公开(公告)日:2022-09-01

    申请号:US17520619

    申请日:2021-11-05

    Abstract: A touch control device and a stylus are provided. The stylus includes a transceiver and a controller. The controller generates a plurality of data items based on a request signal received by the transceiver, and generates at least one status data signal in each data item according to at least one operation status of the stylus. In particular, the controller makes the transceiver select at least one selected time period in a plurality of first time periods to transmit the at least one status data signal to a host and transmit at least one normal data signal in at least one other time period other than the at least one selected time period. In particular, a frequency of the at least one status data signal is different from a frequency of the at least one normal data signal.

    Mutual capacitive touch panel with double-layer electrodes

    公开(公告)号:US11269465B2

    公开(公告)日:2022-03-08

    申请号:US16423202

    申请日:2019-05-28

    Abstract: The present invention provides a mutual capacitive touch panel including a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of electrode strings extending along a first direction. The second electrode layer includes a plurality of electrode strips extending along a second direction, in which one of the electrode strips include a plurality of electrode portions connected in series, one of the electrode portions includes a main part and at least branch part, the main part crosses a corresponding one of the electrode strings, the branch part is connected to a side of the main part, and no branch part exists between the branch part and the outer side of the corresponding electrode string. A spacing between a side of the branch part adjacent to the outer side and the outer side is greater than twice a width of the branch part.

Patent Agency Ranking