Abstract: The present invention relates to a touch input device, and more particularly, to a touch input device including a touch sensor, which is capable of accurately detecting whether a touch input to a touch surface is input by an object or/and a touch position even in a situation where the touch input device is in a floating state. The touch input device includes a touch surface, including: a touch sensor which is disposed under the touch surface and includes a plurality of driving electrodes, a plurality of receiving electrodes, and a plurality of dummy receiving electrodes; and a touch detection unit configured to detect a touch position of an object input to the touch surface based on a detection signal output from the plurality of receiving electrodes of the touch sensor, in which the touch detection unit detects the touch position of the object input to the touch surface.

Abstract: Technologies for manufacturing a touch input device are disclosed. The method includes: forming, on a single carrier substrate, a flexible display for each of a plurality of display devices, cutting the flexible display into individual pieces, and separating the flexible display from the carrier substrate; a separate structure different from electrodes may be used to detect touch position forming step of forming, under a single substrate, a separate structure different from electrodes may be used to detect touch position for each of the plurality of display devices and cutting the substrate for the separate structure into individual pieces; and adhering each of the individual pieces of the separated flexible display to an individual piece of the substrate for the separate structure. The substrate for the separate structure may not be relatively easily bent as compared to the flexible display.

Abstract: A touch device includes: a touch panel including a plurality of touch electrodes; a driver/receiver for applying a first driving signal to the touch panel while driven in a first mode, and applying a second driving signal that is different from the first driving signal to the touch panel while driven in a second mode; and a controller for comparing first detection signals received from the touch panel with a first threshold value to obtain first touch data while driven in the first mode, and comparing second detection signals received from the touch panel with a second threshold value to obtain second touch data while driven in the second mode, wherein the controller determines the second threshold value based on at least part of the first detection signals.

Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body portion; a conductive tip configured to be exposed from an inside of the body portion to an outside thereof; a ground portion configured to be electrically connected to a user; and a resonant circuit portion in the body portion, electrically connected between the conductive tip and the ground portion, and including one or more resonance circuits that resonate with electrical signals of different frequencies transferred from the conductive tip to output resonance signals of different frequencies.

Abstract: A touch apparatus according to an exemplary embodiment includes: a touch panel that includes a plurality of first touch electrodes extending in a first direction and arranged in a second direction that crosses the first direction, and a plurality of second touch electrodes extending in the second direction and arranged in the first direction; and a touch driver that applies a first driving signal for generation of a resonance signal of a stylus pen to the touch panel in a first section, and receives a detection signal from the plurality of first touch electrodes and the plurality of second touch electrodes in a second section that is next to the first section.

Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a body; a conductive tip configured to be exposed from an inside of the body to an outside thereof; and a resonance circuit connected to the conductive tip to resonate an electrical signal transferred from the conductive tip. An inductor unit of the resonance circuit includes a ferrite core and a coil wound in multiple layers over at least a portion of the ferrite core. The ferrite core includes nickel, and the coil can be formed by a litz wire with adjacent winding layers that are wound to be inclined in a zigzag form.

Abstract: A touch device according to an exemplary embodiment includes: a plurality of touch electrodes; and a driver/receiver that applies driving signals, each having a frequency corresponding to a resonance frequency of a stylus pen, to the plurality of touch electrodes, and receives detection signals from the plurality of touch electrodes, wherein the driving signals may include a first driving signal and a second driving signal, each having a different phase.

Abstract: In one embodiment, a touch input device capable of detecting a pressure of a touch on a touch surface is disclosed. The touch input device includes a substrate and a display module. A common voltage electrode is disposed within the display module. The touch input device further comprises an electrode which is disposed at a position where a distance between the electrode and the common voltage electrode changes according to the touch on the touch surface. The distance changes according to a magnitude of the pressure of the touch. Further, an electric signal depending on the distance is outputted from the electrode.

Abstract: A method for selecting a screen on a touch screen using a pressure touch according to the present invention includes a first pressure touch sensing step for sensing a first pressure touch having a pressure of a prescribed magnitude or higher, which is input through a touch screen, a scroll operation sensing step for sensing a scroll operation input through the touch screen, a display step for scrolling and displaying a screen displayed on the touch screen according to the scroll operation, a second pressure touch sensing step for sensing a second pressure touch having a pressure of a prescribed magnitude or higher, which is input on the scrolled screen, and a selection area setting step for setting, as a selection area, an area defined by a position at which the first pressure touch is sensed and a position at which the second pressure touch is sensed.

Abstract: A touch sensor panel driving method of applying a touch driving signal to a touch sensor panel according to a display synchronization signal according to an embodiment of the present invention includes synchronizing the touch driving signal applied to the touch sensor panel with the display synchronization signal and applying the touch driving signal, in which the touch driving signal includes a first touch driving signal and a second touch driving signal having a 180°-inverted phase to the first touch driving signal.

Abstract: An exemplary embodiment of the present invention provides a touch apparatus including: a touch panel configured to include a plurality of touch electrodes; a touch driver configured to apply a first driving signal to a first touch electrode of the touch electrodes during a first period, and a second driving signal to the touch electrodes during a second period subsequent to the first period; and a touch controller configured to determine a detection signal as a valid touch signal based on whether a signal strength of the detection signal received in response to the first driving signal exceeds a first threshold during the first period, wherein the detection signal include at least one of a first detection signal generated by a first touch object and a second detection signal generated by a second touch object, and the first detection signal is determined as a valid touch signal, while the first threshold is set to filter the second detection signal.

Abstract: An exemplary embodiment of the present invention provides a stylus pen including: a housing; a conductive tip configured to have at least a portion that is exposed to an exterior of the housing; a resonance circuit disposed in the housing to be connected to the conductive tip and to resonate an electrical signal transferred from the conductive tip; and a conductive blocking member disposed to correspond to a portion of the housing in which the conductive tip is exposed to the exterior.

Abstract: A touch type distinguishing method may be provided for a touch input device including a touch screen. The method may determine a touch on the touch screen. For example, a touch on the touch screen may be determined as an authentication touch when a condition that the time period for which the input touch maintains is equal to or greater than the predetermined reference time period is satisfied prior to the long touch determination criterion time point. The touch on the touch screen may be determined as a long touch when the condition is not satisfied.

Abstract: Disclosed is a touch input device including: a touch sensor including a plurality of electrodes; a drive unit configured to apply a driving signal to at least some of the plurality of electrodes of the touch sensor; a touch signal detection unit configured to detect a touch-position-related signal related to a touch position of an object inputted to the touch surface from at least some of the plurality of electrodes of the touch sensor; and an LGM disturbance signal detection unit configured to detect an LGM-disturbance-signal-related signal related to an LGM disturbance signal generated from the touch surface from at least some of the plurality of electrodes of the touch sensor.

Abstract: A pressure detection module may be provided that includes: a first electrode and a second electrode which are located on an insulation layer; and an elastic foam. The elastic foam is located between the first and the second electrodes and a reference potential layer located apart from the pressure detection module. A capacitance between the first electrode and the second electrode is changed according to a relative distance change between the reference potential layer and the first and the second electrodes through a transformation of the elastic foam. A magnitude of a pressure which causes the elastic foam to be transformed is detected according to the capacitance change.

Abstract: In one embodiment, a touch sensor includes a first electrode, a second electrode, and a spacer layer located between the first electrode and the second electrode. One of the first electrode and the second electrode is a drive electrode to which a drive signal is applied. The other one of the first electrode and the second electrode is a receiving electrode that receives the drive signal by a mutual capacitance between the first electrode and the second electrode. When an external pressure is applied to the first electrode through a display, the first electrode is concavely bent toward the second electrode. The mutual capacitance between the first electrode and the second electrode changes according to a distance between the first electrode and the second electrode. The magnitude of the external pressure according to the change of the capacitance between the first electrode and the second electrode is detected.

Abstract: A display device having a sensor coupled thereto according to one embodiment of the present invention comprises: a cover layer; a display panel disposed below the cover layer; an optical layer disposed below the display panel; and an image sensor disposed below the optical layer. The optical layer includes: a microlens array layer including a plurality of microlenses; and an aperture layer which is disposed below the microlens array layer and includes holes each spaced apart from the microlenses by a focal length of the microlens. According to one embodiment of the present invention, a distance from a fingerprint to a fingerprint sensor can be greatly decreased in comparison with a conventional technology. In addition, deterioration of fingerprint image quality due to scattered light can be reduced.

Abstract: A smartphone may include a first cover layer and an LCD panel. A backlight unit may be located under the LCD panel. A touch sensor may sense touch in a capacitive manner. The backlight unit may include a pressure sensor and a spacer layer. The pressure sensor includes a plurality of electrodes formed in a single layer attached on the second cover layer and spaced apart from the reflective sheet. A driving signal is applied to the touch sensor and a touch position is detected by a sensing signal. A magnitude of a touch pressure is detected based on a change amount of capacitance which is output from the pressure sensor and which is changed according to a distance between the pressure sensor and an electrode located within the LCD panel. The pressure sensor is attached on the second cover layer as an integral sheet including insulation layers.

Abstract: A touch input device which includes a display module and is capable of detecting a pressure may be provided. The touch input device includes: a display module including a flat portion and at least one curved portion which extends from the flat portion and is curved with a predetermined curvature; and a pressure detection module which is formed under the display module and detects a touch pressure applied to a surface of the display module. The pressure detection module detects the touch pressure on the basis of a capacitance change amount according to a distance change between a reference potential layer and the pressure detection module. As a result, the touch input device including various types and forms of the display modules is capable of efficiently detecting the touch position and touch pressure.

Abstract: A touch input device capable of detecting touch pressure according to an embodiment of the present invention includes a display module and a pressure sensor layer disposed on a lower portion of the display module, wherein an adhesive layer is present between the display module and the pressure sensor layer to adhere the pressure sensor layer to the display module, and the pressure sensor layer includes a structure in which a first strain gauge is formed on an upper surface of a substrate and a second strain gauge is formed on a lower surface of the substrate. When pressure is applied to the display module, the display module is bent, the electrical properties of each of the first strain gauge and the second strain gauge are changed as the display module is bent, and the Young's Modulus of the substrate is greater than the Young's Modulus of the adhesive layer.