A display device including a substrate having a display area and a non-display area outside the display area, a plurality of pixels disposed on the substrate in the display area, an external circuit bonded on the substrate in the non-display area, a first signal line disposed on the substrate in the non-display area and surrounding at least a portion of the display area, the first signal line being electrically connected to the external circuit, and a second signal line disposed in the non-display area and surrounding at least a portion of the first signal line, the second signal line being electrically connected to the external circuits.

Disclosed is an organic light emitting display device which may improve reliability. The organic light emitting display device includes light emitting elements arranged in an active area, crack prevention layers arranged in a non-active area along the perimeter of the active area, and at least one crack detection line arranged between the active area and the crack prevention layers, and judges whether or not a crack is generated through an output resistance value from the at least one crack detection line and may thus raise yield.

A display panel, a circuit board and a display device are provided, belonging to the field of displays. The display panel has a display region and a binding region which is at least on one side of the display region, and the display panel includes: a substrate; a plurality of signal pins on the substrate and in the binding region, the signal pins being arranged at intervals in a first direction and being connected to the circuit board; and at least one non-signal pin on the substrate and between two adjacent signal pins.

The display panel includes: a substrate; a pixel defining layer, arranged on the substrate, and comprising a plurality of opening regions arranged in an array; a light-emitting layer, configured to cover at least the plurality of opening regions; and an interval layer, arranged on the pixel defining layer and disconnected from an adjacent light-emitting layer.

A display panel includes a substrate including a first opening and a second opening that are spaced apart from each other, a plurality of pixels located in a display area around the first opening and the second opening, each of the plurality of pixels including a pixel circuit including a first thin-film transistor, and a display element connected to the pixel circuit, a bottom metal layer located between the substrate and the first thin-film transistor, emission control lines located on the substrate, extending in a first direction and spaced apart from each other by the first opening and the second opening, and a first conductive layer located in an intermediate area surrounding each of the first opening and the second opening to bypass the first opening and the second opening.

A touch electrode structure and a manufacture method thereof, a touch panel, and an electronic device are provided. The touch electrode structure includes a first touch electrode and a second touch electrode, the first touch electrode and the second touch electrode intersect with each other to form a mutual capacitance for touch detection; the first touch electrode is longer than the second touch electrode; the first touch electrode includes a first hollow region, the second touch electrode includes a second hollow region, and a hollow area of the first touch electrode is greater than a hollow area of the second touch electrode; and the touch electrode structure further includes at least one first dummy electrode, the at least one first dummy electrode is within the first hollow region and is arranged in a same layer as at least part of the first touch electrode, and the at least one first dummy electrode and the at least part of the first touch electrode are insulated from each other. By means of the touch electrode structure, the touch sensitivity can be effectively improved.

A touch electrode structure and a manufacture method thereof, a touch panel, and an electronic device are provided. The touch electrode structure includes a first touch electrode and a second touch electrode, the first touch electrode and the second touch electrode intersect with each other to form a mutual capacitance for touch detection; the first touch electrode is longer than the second touch electrode; the first touch electrode includes a first hollow region, the second touch electrode includes a second hollow region, and a hollow area of the first touch electrode is greater than a hollow area of the second touch electrode; and the touch electrode structure further includes at least one first dummy electrode, the at least one first dummy electrode is within the first hollow region and is arranged in a same layer as at least part of the first touch electrode, and the at least one first dummy electrode and the at least part of the first touch electrode are insulated from each other. By means of the touch electrode structure, the touch sensitivity can be effectively improved.

A display device includes: a base substrate including an active area, and a nonactive area including a crack dam arrangement area; a plurality of inorganic layers on the base substrate; and an encapsulation layer on the plurality of inorganic layers, and including an encapsulation inorganic layer, and an encapsulation organic layer on the encapsulation inorganic layer. The base substrate includes first substrate portions having a first thickness at the crack dam arrangement area, and a second substrate portion between adjacent ones of the first substrate portions and connected to the first substrate portions, the second substrate portion having a second thickness smaller than the first thickness. The plurality of inorganic layers are laminated to form an inorganic laminated film at the crack dam arrangement area; and the encapsulation inorganic layer is located over the first substrate portions and the second substrate portion, and includes at least one short circuit portion.

A display device includes a substrate including a front portion, a first side portion extending from a first side of the front portion, a second side portion extending from a second side of the front portion, and a corner portion between the first side portion and the second side portion and having a cutout pattern, a first display area including first pixels in the front portion, and a second display area including second pixels and dummy pixel driving units in the cutout pattern of the corner portion. Each of the second pixels includes a subpixel light emitting unit emitting light and a subpixel driving unit connected to the subpixel light emitting unit. Any one of the dummy pixel driving units is closer to an edge of the cutout pattern than the subpixel driving unit of any one of the second pixels is the edge of the cutout pattern.

A display device includes a substrate including a front portion, a first side portion extending from a first side of the front portion, a second side portion extending from a second side of the front portion, and a corner portion between the first side portion and the second side portion and having a cutout pattern, a first display area including first pixels in the front portion, and a second display area including second pixels and dummy pixel driving units in the cutout pattern of the corner portion. Each of the second pixels includes a subpixel light emitting unit emitting light and a subpixel driving unit connected to the subpixel light emitting unit. Any one of the dummy pixel driving units is closer to an edge of the cutout pattern than the subpixel driving unit of any one of the second pixels is the edge of the cutout pattern.