Abstract: There is provided a display panel including a piezoelectric device and a method for compensating properties of a piezoelectric device. According to the an exemplary embodiment of the present disclosure, the display panel includes: a panel; and a piezoelectric device coupled with the panel, wherein the piezoelectric device includes: a plurality of piezoelectric elements disposed at different positions of the panel and each configured to generate vibrations according to a driving signal; a driver configured to supply the driving signal to the plurality of piezoelectric elements; a plurality of acceleration sensors configured to detect acceleration information of vibrations in different regions of the panel; and a compensator configured to control the driving signal to compensate for property deviations of the plurality of piezoelectric elements, based on the acceleration information.

Abstract: A wearable display device of the present invention includes: a wearable part configured for placement on a portion of a human body; a flexible display unit connected to the wearable part through a coupling part; at least one curvature changer configured to alter a curvature of at least a portion of the flexible display unit; and a curvature holder configured to maintain the curvature of the at least a portion of the flexible display unit once the curvature is altered by the at least one curvature changer.

Abstract: An environmental sensor for an electronic device includes a substrate, a first sensing unit having a first sensor electrode disposed on the substrate, a second sensing unit having a second sensor electrode disposed on the substrate, an insulating layer covering the first sensor electrode, and a cover that is disposed over the first and second sensor electrodes, the cover including at least one hole through which chemical particles pass. The first and second sensing units each sense one of a capacitance-change due to the chemical particles that pass through the hole and then adhere to the insulating layer located on the first sensor electrode and a resistance-change due to the chemical particles that pass through the hole and then adhere to the second sensor electrode.

Abstract: Disclosed herein is a touch display device, including: a panel including a plurality of sensing electrodes which are arranged under a dielectric layer and in a matrix configuration; a rectification unit including at least one rectifier configured to be connected to at least two sensing electrodes; and an energy storage unit including at least one capacitive element which is connected to the rectifier.

Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a display unit including a plurality of pixels disposed on a display area; a display controller configured to control the display unit; a sensor including a plurality of first sensing electrodes and a plurality of second sensing electrodes disposed in the display area; and a sensor controller configured to recognize a touch of a user inputted into the sensor in a touch sensing mode and to recognize a fingerprint of the user inputted into the sensor in a fingerprint sensing mode, wherein the sensor controller changes a mode to the fingerprint sensing mode when no touch is inputted for a predetermined time period in the touch sensing mode and changes the mode to the touch sensing mode when authorization on a fingerprint inputted into the sensor is succeeded in the fingerprint sensing mode.

Abstract: An apparatus for user authentication includes a sensor array and a sensing signal processor. The sensor array is formed on at least one surface of a mobile device. The sensing signal processor receives information of a palm of a user, received from the sensor array, and performs a user authentication through pattern analysis. Accordingly, an authentication of the user of the mobile device can be simply performed.

Abstract: The present invention provides a pneumatic tire including a tread block 10 having a sipe 100 formed therein. A three-dimensional inclined surface groove 110 is formed at an upper portion of the sipe 100 formed in the tread block 10, such that three-dimensional inclined surface protrusions 16 and inclined surface grooves 17 respectively formed on both sipe side wall surfaces 15 forming the sipe 100 so as to correspond to each other may minimize a movement of the tread blocks 10 due to a stress generated from the tire contacting with a ground during driving, so as to increase a traction force.

Abstract: There are provided a display device and a method of driving the same. The display device includes a haptic panel configured for a predetermined haptic driving, a haptic driver configured to control supply of a haptic driving voltage to the haptic panel, and a controller configured to receive at least one of user information and user environment information and to determine the haptic driving voltage according to the received user information and user environment information.

Abstract: There is provided a pixel. The pixel includes a pixel transistor including a gate electrode provided on a substrate and protruding from a scan line, an active pattern provided on the gate electrode, a first electrode provided on the active pattern, and a second electrode provided on the active pattern and protruding from a data line and a piezoelectric sensor including a first touch electrode provided on the substrate and a piezoelectric pattern provided on the first touch electrode. The gate electrode and the first touch electrode are formed of a same material. The active pattern and the piezoelectric pattern are formed of a same material.

Abstract: A touch sensing apparatus includes a plurality of magnetic sensor patterns coupled to a first substrate, and a plurality of conductive patterns corresponding to the magnetic sensor patterns. Each of the magnetic sensor patterns sense a change in a magnetic field caused by a touch input.

Abstract: A head mounted display device includes: display part disposed to correspond to two eyes of a user, and including wires and one or more pixels connected to the wires; and a sensor disposed around the display part and configured to sense a touch of the user. The sensor includes sensing electrodes, and at least one of the sensing electrodes is provided on the same layer as a portion of the display part.

Abstract: Provided is a display device, including: a first substrate including a display area and a non-display area adjacent to the display area; a display unit on the first substrate at the display area and configured to display an image; a display wiring on the first substrate at the non-display area and coupled to the display unit; a second substrate on the first substrate with the display unit and the display wiring therebetween; a touch unit on the second substrate, corresponding to the display unit, and configured to recognize a touch; a touch wiring on the second substrate at the non-display area and coupled to the touch unit; and an anti-noise electrode between the display wiring and the touch wiring at the non-display area.

Abstract: The present disclosure relates to a display device including a touch sensor and a manufacturing method thereof, and more particularly, to a display device including a touch sensor using a piezoelectric material and a manufacturing method thereof. The display device includes a first substrate, wherein a plurality of thin film transistors are disposed on the first substrate; a second substrate disposed facing the first substrate; a plurality of piezoelectric elements disposed on the second substrate; and a first sensing electrode overlapping the piezoelectric elements, the first sensing electrode being configured to transfer a sensing voltage generated as a result of pressure applied to the piezoelectric elements.

Abstract: A touch sensing display device includes: a thin film transistor array panel including a thin film transistor; and an opposing display panel facing the thin film transistor array panel. The opposing display panel includes a piezoelectric sensor including a capacitive sensor and a piezoelectric layer. The capacitive sensor includes sensing wires, driving wires, and a bridge connecting the sensing wires together or the driving wires together. The piezoelectric sensor further includes a pair of electrodes, the piezoelectric layer being disposed between the pair of electrodes. The bridge and a first electrode of the pair of electrodes are formed of the same material and in the same layer.

Abstract: A touch panel includes touch electrodes and a touch driver configured to apply a driving signal to the touch electrodes to form sensing capacitors comprising the touch electrodes, the touch driver configured to sense a change in an amount of charge caused by the sensing capacitors. The touch driver is configured to distinguish hovering and floating based upon a result of sensing the time change in an amount of charge. The touch driver is configured to apply a highest level of the driving signal to a hovering electrode corresponding to a hovering position from among the touch electrodes.

Abstract: A touch device and a display device including the same are provided. The touch device includes: a first substrate; a second substrate facing the first substrate, and disposed to be spaced apart from the first substrate by a predetermined interval; a third substrate connecting first end portions of the first and second substrates to each other, and propagating an ultrasonic signal propagated along the first substrate to the second substrate; a plurality of first ultrasonic transducers connected to second portions facing the first end portions in the first substrate, and propagating an ultrasonic signal to the first substrate; and a plurality of second ultrasonic transducers connected to the second portions facing the first end portions in the second substrate, and receiving an ultrasonic signal propagated along the second substrate, wherein a touch point may be detected based on signal intensity variations of ultrasonic signals received by the second ultrasonic transducers.

Abstract: A wearable display device of the present invention includes: a wearable part configured for placement on a portion of a human body; a flexible display unit connected to the wearable part through a coupling part; at least one curvature changer configured to alter a curvature of at least a portion of the flexible display unit; and a curvature holder configured to maintain the curvature of the at least a portion of the flexible display unit once the curvature is altered by the at least one curvature changer.

Abstract: A display device unit includes: a display device; and a sound element disposed at a side surface or a rear surface of the display device, where the sound element includes a vibration material layer which provides a sound based on an electric field applied therein, and a pair of electrodes which generates the electric field in the vibration material layer.