Abstract: A display device including: a display panel having a substrate including a plurality of islands and a plurality of bridges coupling the islands to each other; and a plurality of actuators provided on first surfaces of at least one or more of the islands of the substrate. The actuators may vibrate a first area of the display panel that includes portions overlapping with the respective actuators.

Abstract: A sound generator for a display device, including: a first vibration generation unit having a first electrode and a second electrode; a second vibration generation unit having a third electrode and a fourth electrode; and a vibration layer including: a first sub-vibration layer disposed between the first electrode and the second electrode; and a second sub-vibration layer disposed between the third electrode and the fourth electrode, wherein the first vibration generation unit is configured to contract and expand the first sub-vibration layer based on a first driving voltage applied to the first electrode and a second driving voltage applied to the second electrode, and wherein the second vibration generation unit is configured to contract and expand the second sub-vibration layer based on a third driving voltage applied to the third electrode and a fourth driving voltage applied to the fourth electrode.

Abstract: A display device incudes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.

Abstract: A transistor structure may include a first electrode, a second electrode, a third electrode, a substrate, and a semiconductor member. The semiconductor member overlaps the third electrode and includes a first semiconductor portion, a second semiconductor portion, and a third semiconductor portion. The first semiconductor portion directly contacts the first electrode, is directly connected to the third semiconductor portion, and is connected through the third semiconductor portion to the second semiconductor portion. The second semiconductor portion directly contacts the second electrode and is directly connected to the third semiconductor portion. A minimum distance between the first semiconductor portion and the substrate is unequal to a minimum distance between the second semiconductor portion and the substrate.

Abstract: A display device includes a display panel; a panel bottom member disposed on the display panel; a middle frame disposed on the panel bottom member; an electronic permanent magnet attached to the panel bottom member and that switches between an activation state to generate a magnetic force and an inactivation state; and a vibrator attached to the middle frame and that vibrates, wherein the electronic permanent magnet and the vibrator overlap each other in a thickness direction of the display device.

Abstract: A panel bottom member includes a light absorbing member, a top bonding layer which is positioned at the top of the light absorbing member, a first vibration sound element which is positioned below the light absorbing member and bonded to the light absorbing member, a buffer member which is positioned below the light absorbing member and does not overlap with the first vibration sound element, and an interlayer bonding layer which is positioned between the light absorbing member and the buffer member.

Abstract: A foldable display device includes: a display panel including a first area and a second area that are symmetrical with respect to a folding axis; a lower member below the display panel; a first sound output unit on a lower surface of the first area; a first fixing part above the lower surface of the first area and overlapping the first sound output unit in a thickness direction; and a first vibration output unit on a lower surface of the second area, wherein the first fixing part and the first vibration output unit are symmetrical with respect to the folding axis.

Abstract: A display device includes a flexible substrate including a folding area, a non-folding area adjacent to the folding area along a first direction, and a first surface in both the folding area and the non-folding area, a light-emitting element layer on the flexible substrate, and a support which faces the light-emitting layer with the flexible substrate therebetween, forms an interface with the first surface of the flexible substrate and is bendable together with the flexible substrate. The support includes a first support corresponding to the folding area, a second support corresponding to the non-folding area, and a through hole extended through the support. The through hole is extended through the first support, and a first portion of the first surface of the flexible substrate is exposed to outside the support by the through hole in the first support.

Abstract: A display device and a haptic feedback method having the same provide a display panel which displays an image, a cover window on a first surface of the display panel and including a tactile pattern, and an actuator which is disposed on a second surface opposite the first surface of the display panel and overlaps the tactile pattern in a width direction of the display panel. The actuator outputs a sensing voltage according to applied pressure and generates vibrations according to applied driving voltages.

Abstract: A display device including: a display panel configured to display an image on a first surface thereof; a first sound generating device configured to provide a first sound; and a second sound generating device configured to provide a second sound, wherein the first sound generating device is attached to a second surface of the display panel, the second surface being opposite to the first surface, and wherein the first sound generating device is a vibration generating device configured to vibrate the display panel in accordance with a first sound signal to generate the first sound.

Abstract: An electronic device including a window having a front surface and a rear surface, a display panel disposed on the rear surface of the window, the display panel having a front surface and a rear surface, and a sensory button set disposed on the rear surface of the display panel. The sensory button set includes a sensor unit, and a pusher disposed between the sensor unit and the display panel configured to transfer an external force applied to a predetermined area of the window to the sensor unit.

Abstract: A transistor structure may include a first electrode, a second electrode, a third electrode, a substrate, and a semiconductor member. The semiconductor member overlaps the third electrode and includes a first semiconductor portion, a second semiconductor portion, and a third semiconductor portion. The first semiconductor portion directly contacts the first electrode, is directly connected to the third semiconductor portion, and is connected through the third semiconductor portion to the second semiconductor portion. The second semiconductor portion directly contacts the second electrode and is directly connected to the third semiconductor portion. A minimum distance between the first semiconductor portion and the substrate is unequal to a minimum distance between the second semiconductor portion and the substrate.

Abstract: A display device includes a display panel, a vibration sound device disposed below the display panel, a lower panel sheet disposed adjacent to the vibration sound device below the display panel and including a functional layer and a bottom coupling layer disposed on a lower surface of the functional layer, and a bracket disposed below the vibration sound device and the lower panel sheet and coupled with the bottom coupling layer, wherein the bottom coupling layer partially exposes the lower surface of the functional layer, a separation space is defined between the bracket and the lower surface of the functional layer where the bottom coupling layer is exposed, and the separation space is partially connected with the vibration sound device.

Abstract: A display device includes a display panel including a display layer including light-emitting elements disposed on a substrate, and a sensor electrode layer disposed on the display layer. The sensor electrode layer includes a first sound electrode and a second sound electrode; a vibration layer electrically contacting the first sound electrode and the second sound electrode and being deformed in response to a first sound driving voltage applied to the first sound electrode and a second sound driving voltage applied to the second sound electrode; and sensor electrodes disposed on the vibration layer. The sensor electrodes sense an input.

Abstract: A bottom member includes a light-absorbing element; a top coupling layer disposed on the light-absorbing element; a first buffer element disposed under the light-absorbing element, where a first opening is defined in the first buffer element; a filling layer disposed in the first opening; and a vibrating acoustic element disposed below the first buffer element, where the vibrating acoustic element overlaps with the first opening and the light-absorbing element when viewed from a top, and the vibrating acoustic element is coupled with the first buffer element via the filling layer.

Abstract: A display device includes: a display panel; and first and second sound generating device configured to generating sounds and vibrate the display panel, wherein the first sound generating device may have a higher sound pressure level than the second sound generating device in a first frequency range, and the second sound generating device may have a higher sound pressure level than the first sound generating device in a second frequency range lower than the first frequency range. A method of driving a display device in sound generating and haptic modes also is disclosed.

Abstract: A display device includes a display panel including a display area including: a stretchable display area at which the display panel is stretchable, disposed at an outer edge of the display device, and a normal display area having flexibility less than that of the stretchable display area, the normal display area disposed further from the outer edge of the display device than the stretchable display area; a cover window disposed on the display panel, including a peripheral portion and a central portion which is disposed further from the outer edge of the display device than the peripheral portion; and a vibration member disposing the normal display area having the flexibility less than that of the stretchable display area between the central portion of the cover window and the vibration member along a thickness direction of the display device.

Abstract: A display device includes a display panel, a touch sensing member which is disposed on the display panel and comprises a touch sensing area and a vibration area disposed around the touch sensing area and generating vibrations in response to a first audio signal, and a window which is disposed on the touch sensing member and outputs sound in response to the vibrations generated in the vibration area.