Mutual-capacitance organic light emitting touch display apparatus

    公开(公告)号:US10268297B2

    公开(公告)日:2019-04-23

    申请号:US15588676

    申请日:2017-05-07

    Abstract: A mutual-capacitance organic light emitting touch display apparatus includes a thin film transistor substrate, a common electrode layer, an organic light emitting material layer, and at least a touch electrode layer, including a plurality of first touch electrodes arranged along a first direction, and a plurality of second touch electrodes arranged along a second direction; a thin film encapsulation layer; a display controller having a display power source, and electrically connected to a thin film transistor, a pixel electrode and the common electrode layer of the thin film transistor substrate; and a touch controller including a touch power source. The touch controller applies a touch driving signal to a selected first touch electrode, and senses a touch sensing signal at a second touch electrode, and outputs the touch sensing signal to the common electrode layer or a reference point of the display controller by a non-inverting amplifier.

    Interference-free fingerprint identification device

    公开(公告)号:US10248827B2

    公开(公告)日:2019-04-02

    申请号:US15654012

    申请日:2017-07-19

    Abstract: An interference-free fingerprint identification device includes a TFT substrate, a TFT layer having plural TFTs, a sensing electrode layer having plural fingerprint sensing electrodes, a gate line layer having plural gate lines, a data line layer having plural data lines, and a first shielding layer. Each fingerprint sensing electrode corresponds to a plurality of the TFTs, and is connected to sources or drains of at least two corresponding TFTs. At least two gate lines are electrically connected to gates of a plurality of the TFTs corresponding to a fingerprint sensing electrode. Each data line is electrically connected to a source or drain of a TFT in a plurality of the TFTs corresponding to a fingerprint sensing electrode. The first shielding layer is electrically connected to a source or drain of a TFT in a plurality of the TFTs corresponding to each fingerprint sensing electrode.

    Integral sensing apparatus for touch and force sensing and method for the same

    公开(公告)号:US10209805B2

    公开(公告)日:2019-02-19

    申请号:US15470907

    申请日:2017-03-28

    Abstract: An integral sensing apparatus for touch and force sensing includes a touch electrode layer having first touch electrodes and second touch electrodes arranged, a protection layer arranged on one side of the touch electrode layer, a force electrode layer having at least one force sensing electrode, a resilient dielectric layer arranged between the touch electrode layer and the force electrode layer, and a capacitance sensing module. In touch sensing operation, the capacitance sensing module sequentially or randomly sends 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 sends 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 apparatus

    公开(公告)号:US10061966B2

    公开(公告)日:2018-08-28

    申请号:US15626397

    申请日:2017-06-19

    Abstract: A fingerprint identification apparatus includes a fingerprint identification IC chip, a polymer film substrate and a decorative layer. The fingerprint identification IC chip comprises a plurality of metal bumps arranged on one side of the fingerprint identification IC chip. The polymer film substrate comprises a plurality of conductive pads and arranged on one side of the fingerprint identification IC chip with the metal bumps. At least part of the conductive pads is corresponding to and electrically connected to the metal bumps. The decorative layer is arranged on one side of the polymer film substrate opposite to the fingerprint identification IC chip.

    Display device with fingerprint identification and touch detection

    公开(公告)号:US10048795B2

    公开(公告)日:2018-08-14

    申请号:US14872364

    申请日:2015-10-01

    Abstract: A display device with fingerprint identification and touch detection includes a first substrate, a second substrate parallel to the first substrate, a display material layer configured between the first substrate and the second substrate, and a thin-film-transistor-and-sensing-electrode layer. The thin-film-transistor-and-sensing-electrode layer is disposed at one surface of the first substrate facing the display material layer. The thin-film-transistor-and-sensing-electrode layer has a plurality of sensing electrodes for performing fingerprint identification sensing and touch sensing at the same time.

    High-sensitivity self-capacitance in-cell touch display panel device

    公开(公告)号:US09965119B2

    公开(公告)日:2018-05-08

    申请号:US14932496

    申请日:2015-11-04

    Abstract: A high-sensitivity self-capacitance in-cell touch display panel device includes a sensing electrode layer having plural sensing electrodes, a display control circuit, a touch sensing control circuit, and an amplifier with gain greater than zero. The display control circuit is powered by a first power source and connected to a first ground. The touch sensing control circuit is coupled to the sensing electrodes for performing a touch sensing. The touch sensing control circuit is powered by a second power source and connected to a second ground, wherein the first power source and the first ground are different from the second power source and the second ground. The amplifier is connected to the touch sensing control circuit and a common voltage layer. The touch sensing control circuit applies a sensing signal sensed by at least one sensing electrode to the amplifier for being amplified and applied to the common voltage layer.

    Biometric recognition apparatus with deflection electrode

    公开(公告)号:US09953201B2

    公开(公告)日:2018-04-24

    申请号:US15147370

    申请日:2016-05-05

    Abstract: A biometric recognition apparatus with deflection electrode includes a substrate, a multi-function electrode layer including a plurality of sensing electrodes, a plurality of deflection electrodes and at least one suppressing electrode. Each of the sensing electrodes is at least partially surrounded by a corresponding deflection electrode and each of the deflection electrodes is at least partially surrounded by the suppressing electrode. The biometric recognition apparatus further includes a switching circuit layer having a plurality of selection switches and conductive wires, at least a part of the selection switches and the conductive wires are electrically connected to the sensing electrodes. By above arrangement of the sensing electrodes, the deflection electrodes and the suppressing electrode, the sensing sensibility and signal to noise ratio can be enhanced, thus increasing the sensing distance between sensing electrode and user finger.

    High-accuracy flat touch display panel structure

    公开(公告)号:US09927899B2

    公开(公告)日:2018-03-27

    申请号:US15455941

    申请日:2017-03-10

    Inventor: Hsiang-Yu Lee

    Abstract: A high-accuracy flat touch display panel structure includes an upper substrate, a lower substrate, a liquid crystal layer configured between the upper and lower substrates, a thin film transistor and wiring layer, and a sensing electrode layer. The thin film transistor and wiring layer is disposed at one side of the lower substrate facing the liquid crystal layer, and includes a plurality of gate lines, a plurality of source lines, and a plurality of wirings. The sensing electrode layer is disposed at one side of the thin film transistor and wiring layer facing the liquid crystal layer, and has a plurality of sensing conductor lines. The plurality of sensing conductor lines are disposed corresponding to positions of the plurality of gate lines and the plurality of source lines.

    Self-capacitance input device with hovering touch

    公开(公告)号:US09870110B2

    公开(公告)日:2018-01-16

    申请号:US14971511

    申请日:2015-12-16

    CPC classification number: G06F3/044 G06F2203/04103 G06F2203/04108

    Abstract: A self-capacitance input device with hovering touch includes a sensing electrode layer, a reflection and deflection electrode layer, an insulation layer, and an amplifier with a gain greater than zero. The sensing electrode layer has a plurality of sensing electrodes on one side for sensing a touch or approach of an external object. The reflection and deflection electrode layer is disposed on the other side of the sensing electrode layer and has at least one reflection and deflection electrode. The insulation layer is disposed between the sensing electrode layer and the reflection and deflection electrode layer. The amplifier has an output coupled to the reflection and deflection electrode layer.

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