Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of reducing or minimizing or reducing a dead space area. According to one or more embodiments of the present disclosure, a display device including: a substrate having a display area and a non-display area; a signal transmission line including a signal line in the display area of the substrate and a fan-out line extending from the signal line and in the non-display area of the substrate; and a plurality of pixels in the display area of the substrate, wherein a plurality of signal transmission lines include the signal transmission line and are respectively connected to the plurality of pixels, and the plurality of signal transmission lines are on different layers on the substrate.

Abstract: A sub-pixel includes a first capacitor which maintains a potential difference between a first node and a third node, a second capacitor which maintains a potential difference between a second node and a power line to which a constant voltage is applied, and a third capacitor which maintains a potential difference between a first node and a third node.

Abstract: A display device includes: a first substrate, a second substrate located on one side of the first substrate and coupled with the first substrate, a first pixel group located on a first surface of the first substrate, and a second pixel group located on a first surface of the second substrate, wherein the first substrate and the second substrate include different materials.

Abstract: A sub-pixel includes: a first transistor including a first electrode connected to a first power voltage node via a first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a second transistor connected between a data line and a fourth node; a third transistor connected between the second node and the third node; a fourth transistor connected between the fourth node and an initialization voltage node; a first capacitor connected between the third node and the fourth node; and a second capacitor connected between the first node and the third node. The third transistor and the fourth transistor are simultaneously turned on and off. A turn-on period of the second transistor and a turn-on period of the third transistor do not overlap.

Abstract: A display device includes: a first insulating layer on electrodes; a plurality of light emitting elements on the electrodes in an emission area; a second insulating layer on the first insulating layer and the light emitting elements and having a plurality of openings partially overlapping the electrodes and the light emitting elements; and a plurality of connection electrodes on at least some of the electrodes, contacting the light emitting elements, and partially overlapping the openings. A first opening has a first side portion and a second side portion opposite to the first side portion with a greater width than the first side portion, and a first connection electrode overlapping the first opening has a first portion overlapping the first opening and a second portion having a greater width than the first portion and that does not partially overlap the first opening.

Abstract: The present disclosure relates to a display device, and more particularly to a display device capable of repairing a transistor. According to an embodiment of the disclosure, a display device comprising: a pixel comprising a light emitting element and a pixel circuit; and a signal line connected to the pixel, wherein the pixel circuit comprises: a first main transistor connected between a driving voltage line and an anode electrode of the light emitting element; a second main transistor connected between a data line and a gate electrode of the first main transistor; a third main transistor connected between the driving voltage line and a source electrode of the first main transistor; a fourth main transistor connected between a drain electrode of the first main transistor and a common voltage line; and one auxiliary transistor disposed adjacent to at least one of the first to fourth main transistors.

Abstract: A pixel for a display device includes: a first transistor with a gate electrode connected to a first node, the first transistor being between a second node and a third node; a second transistor between the second node and a first power line; a third transistor between a data line and the first node; a fourth transistor between a fourth node and the first node; a fifth transistor between the first power line and the fourth node; a sixth transistor between the third node and a third power line; a first capacitor between the first node and the third transistor; and a light emitting element between the third node and a second power line. During a first period of a horizontal cycle, the third, fourth, fifth, and sixth transistors are turned on. The pixel circuit compensates for threshold voltage variation and enables a wide data voltage range, improving display efficiency and grayscale implementation.

Abstract: A display device includes a substrate; a conductive layer on the substrate and including a first voltage line, a second voltage line, and a contact conductive pattern spaced from each other; a passivation layer on the conductive layer; a via layer on the passivation layer; an alignment line on the via layer and including a first alignment line and a second alignment line spaced from each other; a light emitting element between the first alignment line and the second alignment line on the alignment line; and a first contact electrode and a second contact electrode on the light emitting element and spaced from each other, wherein: the first alignment line is electrically connected to the second voltage line through a first alignment contact hole, the second alignment line is electrically connected to the first voltage line through a second alignment contact hole.

Abstract: A display device includes electrodes on a base layer; a first insulating layer on the electrodes; a bank on the first insulating layer, protruding in a thickness direction of the base layer, and surrounding a region; light emitting elements in the region on the base layer; and connection electrodes electrically connected to the light emitting elements. The connection electrodes include an anode connection electrode electrically connected to the light emitting elements, a cathode connection electrode electrically connected to the light emitting elements, and an extension connection electrode on the bank. The first insulating layer forms at least one first opening. The at least one first opening overlaps the extension connection electrode in a plan view.

Abstract: A display device includes a substrate, a first electrode disposed on the substrate, a light emitting layer disposed on the first electrode, a second electrode disposed on the light emitting layer, a color filter layer disposed on the second electrode, a lens layer disposed on the color filter layer, and a light blocking layer disposed on the lens layer and having a plurality of openings in a display area of the substrate. The openings of the light blocking layer include a first opening disposed at a central portion of the display area and a second opening disposed at an outer portion of the display area. A size of the first opening is greater than a size of the second opening.

Abstract: A pixel includes a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node, a second transistor connected between a data line and the third node, and including a gate electrode connected to a first scan line, a third transistor connected between a first power line to which first driving power is supplied, and the first node, and including a gate electrode connected to an emission control line, a first capacitor connected between the first and third nodes, a second capacitor connected between the third node and a reference power line to which reference power is supplied, a third capacitor connected between the second and third nodes, and a light-emitting element connected between the second node and a second power line to which second driving power is supplied.

Abstract: A display device includes: a first insulating layer on electrodes; a plurality of light emitting elements on the electrodes in an emission area; a second insulating layer on the first insulating layer and the light emitting elements and having a plurality of openings partially overlapping the electrodes and the light emitting elements; and a plurality of connection electrodes on at least some of the electrodes, contacting the light emitting elements, and partially overlapping the openings. A first opening has a first side portion and a second side portion opposite to the first side portion with a greater width than the first side portion, and a first connection electrode overlapping the first opening has a first portion overlapping the first opening and a second portion having a greater width than the first portion and that does not partially overlap the first opening.

Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode connected to a first node, a first electrode connected to a second node, and a second electrode connected to an anode electrode of the light emitting element; a second transistor connected between a data line and the first node, the second transistor including a gate electrode connected to a first scan line; and a third transistor connected between a first power line and the second node, the third transistor including a gate electrode connected to the second node.

Abstract: A display device includes a bank layer defining a first light emitting area, a first electrode in the first light emitting area, a second electrode spaced from the first electrode and around at least a part of the first electrode in the first light emitting area, and a light emitting element between the first electrode and the second electrode. The second electrode includes a first electrode portion, facing a first side surface of the first electrode, forming a first separation space in the first light emitting area, a second electrode portion facing a second side surface of the first electrode, forming a second separation space in the first light emitting area, and a third electrode portion connecting the first electrode portion and the second electrode portion and facing a third side surface of the first electrode, forming a third separation space in the first light emitting area.

Abstract: A display device includes a substrate including a display area and a non-display area, a first voltage pattern and a second voltage pattern arranged along a first side of the non-display area, the first voltage pattern and the second voltage pattern being alternately located, a first sub-voltage pattern and a second sub-voltage pattern arranged along a second side opposite the first side of the non-display area, the first sub-voltage pattern and the second sub-voltage pattern being and alternately located, a first voltage extension wire extending along a third side crossing the first side of the non-display area and connected to the first voltage pattern, and a second voltage extension wire extending along a fourth side opposite the third side of the non-display area and connected to the second voltage pattern.

Abstract: A display device includes a substrate including a display area and a non-display area; pixels disposed in the display area; first scan lines that transmit signals to the pixels, extend in a first direction, and are disposed in a second direction different from the first direction; second scan lines that extend in the second direction and are disposed in the first direction; and a pad part electrically connected to the second scan lines and disposed in the non-display area. Each of the first scan lines is electrically connected to at least one of the second scan lines through a corresponding one of contactors. Each of the pixels is a first pixel, a second pixel, or a third pixel based on whether or not including a contactor.

Abstract: According to an embodiment of the disclosure, a display device includes a display panel having a display area and a non-display area; a plurality of pixels disposed in the display area; a light-emitting element disposed in each of the plurality of pixels; a driving transistor disposed in each of the plurality of pixels and electrically connected to the light-emitting element; and a common circuit disposed in the non-display area and electrically connected to a node between the light-emitting element and the driving transistor.

Abstract: A display device including a plurality of pixels, each of the pixels including a first area and a second area and including: a first electrode and a second electrode in the first area; a plurality of light-emitting elements located between the first electrode and the second electrode in the first area; a first insulating layer in the first area and the second area; and a second insulating layer on the first insulating layer, wherein the first insulating layer includes a first opening in the second area, the second insulating layer includes a second opening overlapping the first opening, and a width of the first opening in a first direction is greater than a width of the second opening in the first direction.

Abstract: A display device includes a display area and a non-display area adjacent to the display area. The display device includes a pixel disposed in the display area; a driving controller disposed in the non-display area, the driving controller controlling driving of the pixel; and a line part having at least a portion disposed in the non-display area, the line part electrically connecting the pixel and the driving controller to each other between the pixel and the driving controller. The non-display area includes a fan-out area disposed between the display area and the driving controller.

Abstract: A display device includes: a power source line; a plurality of gate lines each extending in a first direction and arranged along a second direction in a plan view; a plurality of pixels connected to the power source line and the gate lines; and a plurality of vertical lines each extending in the second direction and arranged along the first direction in the plan view, wherein the vertical lines include a plurality of gate connection lines and a plurality of dummy lines between the gate connection lines, wherein the gate connection lines connect the gate lines to a gate driver, wherein the dummy lines are connected to the power source line, and wherein a distance between the dummy lines spaced apart from each other with at least one of the gate connection lines interposed therebetween is constant throughout.