Abstract: Provided is a display panel including a substrate, a plurality of pixels arranged on a display area of the substrate, a plurality of dummy pixels arranged on a non-display area of the substrate and emitting no light, and a plurality of signal lines configured to electrically connect the plurality of pixels to the plurality of dummy pixels, wherein some of the plurality of dummy pixels are arranged between a first region and a second region of the substrate. Accordingly, when static electricity is generated around the first region and/or the second region, the dummy pixels serves as a buffer to prevent a large voltage transmitted to the pixels to protect the display device.

Abstract: A display apparatus includes: a substrate including: a first region; a second region; a first non-display area surrounding the first region and the second region; and a display area surrounding at least a portion of an outline of the first non-display area; a plurality of dummy pixels at the first non-display area, and to not emit light; a plurality of emission control lines connected to at least one of the plurality of dummy pixels; and a plurality of power supply lines to supply a driving voltage to the plurality of dummy pixels, respectively. One of the plurality of power supply lines is electrically connected to one of the plurality of emission control lines, and one of the plurality of power supply lines is connected to one of the plurality of dummy pixels.

Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.

Abstract: A display panel may include the following elements: a substrate including an opening area, a display area surrounding the opening area, and a first non-display area between the opening area and the display area; a data line positioned at a first side relative to the opening area; a first scan line; a second scan line; a first pixel connected to the data line and the first scan line; a second pixel connected to the data line and the second scan line; a first emission control line connected to the first pixel; a connecting section positioned on the first non-display area; a second emission control line connected to the second pixel and connected through the connecting section to the first emission control line; and an emission control driver configured to simultaneously provide emission control signals to the first emission control line and the second emission control line.

Abstract: A display panel includes a substrate having a first area, a second area at least partially surrounding the first area, and a third area disposed between the first area and the second area. A plurality of display elements is disposed in the second area. A plurality of wirings detours around an edge of the first area in the third area. A first electrode layer covers at least a portion of the plurality of wirings. A second electrode layer is disposed over the first electrode layer and contacts at least a portion of the first electrode layer.

Abstract: A display apparatus includes: a first pixel circuit on the substrate and including a first driving thin-film transistor and a first storage capacitor electrically connected to the first driving thin-film transistor; a second pixel circuit adjacent to the first pixel circuit and including a second driving thin-film transistor and a second storage capacitor electrically connected to the second driving thin-film transistor; a first initialization voltage line electrically connected to the first pixel circuit and the second pixel circuit; a second initialization voltage line electrically connected to the first initialization voltage line; and a driving voltage line between the first pixel circuit and the second pixel circuit, wherein a channel area of the first driving thin-film transistor or a channel area of the second driving thin-film transistor is between the second initialization voltage line and the driving voltage line.

Abstract: A display apparatus includes a substrate including a display area including a display element, a first thin film transistor disposed in the display area, the first thin film transistor including a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a second thin film transistor disposed in the display area, the second thin film transistor including a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer, a first signal line extending at a side of the first thin film transistor in a first direction, a second signal line extending at an opposite side of the first thin film transistor in the first direction, and a shielding pattern extending in the first direction, the shielding pattern at least partially overlapping the first signal line.

Abstract: A display panel may include the following elements: a substrate including an opening area, a display area surrounding the opening area, and a first non-display area between the opening area and the display area; a data line positioned at a first side relative to the opening area; a first scan line; a second scan line; a first pixel connected to the data line and the first scan line; a second pixel connected to the data line and the second scan line; a first emission control line connected to the first pixel; a connecting section positioned on the first non-display area; a second emission control line connected to the second pixel and connected through the connecting section to the first emission control line; and an emission control driver configured to simultaneously provide emission control signals to the first emission control line and the second emission control line.

Abstract: A display panel may include a first hole, a second hole, a display element, a switching element, a wire, and a conductive member. The second hole may be spaced from the first hole. The switching element may be electrically connected to the display element. The wire may bypass the first hole in a plan view of the display panel and may be electrically connected to the switching element. The conductive member may surround each of the first hole and the second hole in the plan view of the display panel, may have an opening between the first hole and the second hole in the plan view of the display panel, and may partially cover the wire. An edge portion of the conductive member may intersect the wire and may be positioned between the display element and the first hole in the plan view of the display panel.

Abstract: A display device including: a substrate including a display area, a peripheral area, and a pad area; a first main voltage line in the peripheral area, and a first connector extending from the first main voltage line to the pad area; and a second main voltage line in the peripheral area, and a second connector extending from the second main voltage line to the pad area, wherein each of the first connector and the second connector includes a first and second layer overlapping each other with a first insulating layer therebetween, the first insulating layer is in the display area and the peripheral area, the peripheral area includes an open area exposing the first and second connector and surrounding the display area, and the first insulating layer includes slits between the first and second connector and extending from an end of the first insulating layer toward the display area.

Abstract: A display panel having at least one hole inside a display area includes: a substrate; a plurality of display elements arranged in a plane around the at least one hole; and a plurality of signal lines extending in a first direction, wherein the at least one hole includes a first hole having a first width in a second direction and having two sides with asymmetric shapes with respect to a first central line passing through a center of the first width, wherein each of first and second neighboring signal lines extends in the first direction, the first signal line detours around a first side of the first hole, and the second signal line detours around a second side of the first hole opposite to the first side, and wherein the first and second signal lines are asymmetric with respect to a first virtual line therebetween.

Abstract: A display device including: a substrate including a display area, a peripheral area, and a pad area; a first main voltage line in the peripheral area, and a first connector extending from the first main voltage line to the pad area; and a second main voltage line in the peripheral area, and a second connector extending from the second main voltage line to the pad area, wherein each of the first connector and the second connector includes a first and second layer overlapping each other with a first insulating layer therebetween, the first insulating layer is in the display area and the peripheral area, the peripheral area includes an open area exposing the first and second connector and surrounding the display area, and the first insulating layer includes slits between the first and second connector and extending from an end of the first insulating layer toward the display area.

Abstract: A display apparatus includes a substrate including a display area, a first non-display area, a second non-display area, and a bending area between the first non-display area and the second non-display area, a display unit positioned in the display area, a driving circuit positioned in the second non-display area, and a fan-out portion transmitting a data signal applied from the driving circuit to the display unit. The fan-out portion includes a first fan-out portion including first conductive lines, a second fan-out portion including second conductive lines, and a separation area between the first fan-out portion and the second fan-out portion that are separated from each other by a predetermined distance in the bending area. A first width of a first conductive line closest to the separation area and a second width of a second conductive line closest to the separation area are different from each other.

Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.

Abstract: An acousto-optic structure according to an exemplary embodiment of the present invention is a stacked structure for inducing an interaction between incident acoustic wave and incident optical wave, and it includes: a pair of multi-layered structures including a structure in which two layers with different acoustic impedance and optical impedance are alternately arranged in a direction in which the acoustic wave and the optical wave propagate; and a cavity layer disposed between the pair of multi-layered structures in the direction in which the acoustic wave and the optical wave propagate, and made of a medium having acoustic impedance and optical impedance that are different from those of interfacing layers at both sides, wherein the two layers are symmetrically arranged with respect to the cavity layer so that the acoustic wave and the optical wave may be confined in the cavity layer.

Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.

Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.

Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.

Abstract: A display panel may include a first hole, a second hole, a display element, a switching element, a wire, and a conductive member. The second hole may be spaced from the first hole. The switching element may be electrically connected to the display element. The wire may bypass the first hole in a plan view of the display panel and may be electrically connected to the switching element. The conductive member may surround each of the first hole and the second hole in the plan view of the display panel, may have an opening between the first hole and the second hole in the plan view of the display panel, and may partially cover the wire. An edge portion of the conductive member may intersect the wire and may be positioned between the display element and the first hole in the plan view of the display panel.

Abstract: A display panel includes a substrate including a first region, a second region, a non-display area that surrounds the first region and the second region, and a display area that surrounds the non-display area; a plurality of pixels arranged on the display area; a plurality of dummy pixels arranged on the non-display area and emitting no light; and a plurality of signal lines configured to electrically connect the plurality of pixels to the plurality of dummy pixels. Some of the plurality of dummy pixels are arranged between the first region and the second region.