Abstract: An embodiment of the present invention relates to an electronic device and a proximity sensing method thereof, and, more specifically, to an electronic device and a proximity sensing method thereof, the device being capable of alleviating flickering on a display panel during proximity sensing and enhancing signal-to-noise ratio (SNR).

Abstract: Provided is an electronic device including a panel including a plurality of first electrodes extending in a Y-axis and a plurality of second electrodes extending in an X-axis, a driving part configured to individually control a direction of current flowing through the plurality of first electrode and the plurality of second electrodes so as to generate electromagnetic fields, thereby driving a stylus, and a determination part configured to receive a signal generated in the stylus so as to determine touch coordinates. Each of the plurality of first electrodes and the plurality of second electrodes does not form a closed loop. In the electronic device and a stylus driving device according to the embodiment of the present invention, since a separate configuration such as a digitizer, an antenna, and the like is not required, the product may be miniaturized and thinned, and the manufacturing cost may be reduced.

Abstract: Described is a multi-functional touch input device capable of detecting a touch position, driving a stylus pen, and detecting the position of the stylus pen. The touch input device according to another embodiment of the present invention comprises a sensor unit and a control unit, wherein the sensor unit comprises: a plurality of first patterns extending in a first direction and having one ends electrically connected to the control unit; a plurality of second patterns extending in the first direction and disposed adjacent to the first patterns; a plurality of third patterns extending in a second direction perpendicular to the first direction and having one ends electrically connected to the control unit; and a plurality of fourth patterns extending in the second direction, disposed adjacent to the third patterns, and having one ends electrically floated and the other ends electrically connected to each other.

Abstract: In one embodiment, a touch sensor for use in a touch input device having a portrait shape is provided. The portrait shape has a vertical length greater than a horizontal length. The touch sensor includes a plurality of first electrodes arranged in a vertical direction and a plurality of second electrodes arranged in a horizontal direction. Each of the first electrodes consists of a single electrode portion. Each of the second electrodes includes a pair of electrode portions that are electrically separated from each other. The pair of electrode portions includes a second-first electrode portion and a second-second electrode portion. The second-first electrode portion is disposed relatively closer to one first electrode of the plurality of first electrodes than the second-second electrode portion, and the second-second electrode portion is disposed relatively closer to another first electrode than the second-first electrode portion.

Abstract: In one embodiment, an electronic device includes a display panel, a sensor, and circuitry. The sensor includes a plurality of driving electrodes and a plurality of receiving electrodes interleaved with and electrically insulated from the driving electrodes. At least one driving electrode includes first and second adjacent driving electrodes electrically insulated from each other. At least one receiving electrode outputs first and second detection signals including capacitance information associated with the first and second driving electrodes, respectively, when corresponding driving signals are applied. The circuitry outputs a third detection signal corresponding to a subtraction based on the first and second detection signals and drives the driving electrodes in synchronization with a vertical synchronization signal applied to the display panel.

Abstract: An electronic device according to an embodiment of the present disclosure comprises: a sensor comprising a plurality of first electrode patterns extending in a first direction and a plurality of second electrode patterns extending in a second direction crossing the first direction; and a controller electrically connected to the sensor, and configured to control a touch sensing operation of sensing a touch of an object through the sensor, and a stylus driving operation for driving a stylus pen and/or a stylus sensing operation for sensing the stylus pen, wherein each of the second electrode patterns has an open-loop shape in which one side of a closed loop is opened, and both ends of each second electrode pattern are configured to be respectively electrically connected to different terminals of the controller, and both ends of all of the plurality of second electrode patterns are disposed to face the same direction.

Abstract: A pen and touch input system according to an embodiment of the present invention includes a touch input device including a sensor unit and a control unit that controls the sensor unit, and a stylus pen capable of operating with the touch input device.

Abstract: A touch input device according to an embodiment of the present invention drives a stylus pen including a resonance circuit unit and senses a pen signal from the stylus pen, and comprises: a cover layer; a sensor unit which is arranged below the cover layer, and which includes at least one pattern for driving the stylus pen and sensing the pen signal; a display unit arranged below the sensor unit; and a shielding unit arranged below the display unit, wherein the shielding unit has a permeability and a thickness that allows the change rate of an inductance value of the resonance circuit unit to be ?10% to +10% of a reference inductance value.

Abstract: In one embodiment, a touch input device includes a touch sensor and a touch controller configured to control the touch sensor. The touch sensor includes a plurality of first electrodes arranged along a first direction and a plurality of second electrodes arranged along a second direction different from the first direction. The plurality of second electrodes include a 2a electrode pattern arranged directly adjacent to the first electrodes and a 2b electrode pattern spaced apart by a predetermined distance so as not to be directly adjacent to the first electrodes. The touch controller matches codes programmed by built-in firmware with addresses to store the matched codes in a codebook table, generates a driving signal according to a scan mode, and detects a touch position based on sensing signals output from the 2a and 2b electrode patterns.

Abstract: The present invention relates to a multi-functional touch input device capable of detecting a touch position, driving a stylus pen, and detecting the position of the stylus pen, the touch input device according to an embodiment of the present invention comprising a sensor unit and a control unit electrically connected to the sensor unit. In addition, provided is the touch input device capable of improving touch position sensing sensitivity by removing noise when detecting a touch position.

Abstract: A touch input device preventing a flicker from occurring on a display screen caused by multi-driving of a touch sensor. The touch input device includes a display panel having a plurality of scan lines; a touch sensor including a plurality of driving electrodes arranged in the same direction as the scan line and a plurality of receiving electrodes arranged in a direction different from the scan line; and a control unit configured to perform a touch scan so that driving signals are applied to two or more driving electrodes of the plurality of driving electrodes. The control unit controls a driving timing of the touch scan so that the scan line to which a display scan signal is applied of the plurality of scan lines and the driving electrodes to which the driving signals are applied are not in overlap with each other in terms of time and space.

Abstract: A pen and touch input system according to an embodiment of the present invention includes a touch input device including a sensor unit and a controller for controlling the sensor unit and a stylus pen interacting with the touch input device.

Abstract: An embodiment of the present invention relates to a sensor and an input device comprising same.

Abstract: A touch input device including a sensor detects 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 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 sensor, in which the touch detection unit detects the touch position of the object input to the touch surface.

Abstract: Disclosed is a stylus pen that is capable of clearly distinguishing a hover motion, a contact motion and a pen pressure motion, has a simple internal structure, easily detects pen pressure, has relatively little performance change caused by an assembly deviation, and reduces manufacturing costs. The stylus pen according to an embodiment of the present invention comprises: an inductor unit; a first elastic member disposed to be spaced from the inductor unit; a core which is disposed to penetrate the inductor unit, and which moves toward the first elastic member by means of an external force acting on one end thereof; and a magnetic body which is disposed between the inductor unit and the first elastic member, and of which the distance from the inductor unit changes in conjunction with that of the core, wherein the first elastic member is compressed by the movement of the core.

Abstract: A touch sensor minimizing the total number of channels for the touch sensor and a width of a bezel. The touch input device having a portrait shape in which a vertical length is greater than a horizontal length according to an embodiment includes: a touch sensor including a plurality of first electrodes arranged in the vertical direction and a plurality of second electrodes arranged in the horizontal direction; and a control unit electrically connected to the plurality of first electrodes and the plurality of second electrodes to control the touch sensor. The second electrode includes a pair of electrodes, one of the pair of electrodes of the second electrode is disposed adjacent to at least one electrode of the plurality of first electrodes, and the other of the pair of electrodes of the second electrode is disposed adjacent to at least one remaining electrode of the plurality of first electrodes.

Abstract: Disclosed is a stylus pen including: a ferrite core; and a coil including a plurality of metal wires twisted to have a number of twist turns per unit length of at least n, and wound on an outer surface of the ferrite core.

Abstract: An input device including a touch sensor detects 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: The present invention relates to a smart watch and, more specifically, to a smart watch that can have improved wheel touch sensitivity. The smart watch according to one embodiment of the present invention comprises: a display module including a cover member, a display unit, which is disposed under the cover member and has a touch sensor including a plurality of electrode patterns, and a substrate disposed under the display unit; a guide which is arranged to encompass the cover member and the display unit, and which is made of an insulating material; a wheel touch sensor which is arranged to encompass the display unit, and which is disposed under the guide; and an external case arranged to encompass the guide.

Abstract: The present disclosure relates to an input system, and more particularly, to an electronic device capable of sensing a stylus pen together with an object such as a finger that is in proximity or in contact with the outside, and an input system including a stylus pen including a ferrite core for a stylus pen capable of improving the magnitude of a pen signal received by the electronic device.