A display device includes a first substrate, an external signal line disposed on the first substrate, a second substrate disposed on the external signal line, the second substrate includes a contact hole exposing a surface of the external signal line, a lower metal layer disposed on the second substrate, the lower metal layer includes a lower connection pattern, a dam pattern disposed on the lower metal layer and adjacent to the contact hole, and a first conductive layer disposed on the lower metal layer, the first conductive layer includes a voltage line and a connection line spaced apart from each other with the dam pattern disposed between the voltage line and the connection line.

A method of manufacturing a tiled display device is provided. In the method of manufacturing a tiled display device, a plurality of display panels are provided. Next, a plurality of alignment marks are provided. Afterwards, the plurality of display panels are tiled with reference to the plurality of alignment marks. The alignment marks are so arranged that the display panels are tiled to make all the same interpitches.

A novel display apparatus that is highly convenient or reliable is provided. Alternatively, a novel input/output device that is highly convenient or reliable is provided. The display apparatus is configured in the following manner: the periphery of end surfaces of a plurality of display panels is processed by laser light and the display panels are joined together so that unevenness is not generated at a boundary between the adjacent display panels and the outermost surface of the display apparatus is flat.

A display device is provided. The display device includes an auxiliary substrate, a display substrate, and a circuit board. The auxiliary substrate includes an auxiliary circuit. The display substrate is disposed on the auxiliary substrate. The display substrate includes a circuit. The circuit board is electrically connected to the auxiliary substrate. The circuit of the display substrate is electrically connected to the auxiliary circuit through a first conductive via, and the circuit board provides a signal to the auxiliary circuit.

A tiled display device is provided. The tiled display device includes a first panel and a second panel adjacent to the first panel. The first panel includes a first pixel unit, a second pixel unit and a third pixel unit. The second panel includes a fourth pixel unit, a fifth pixel unit, a sixth pixel unit, a seventh pixel unit, an eighth pixel unit and a ninth pixel unit. The second pixel unit, the fifth pixel unit, and the eighth pixel unit are arranged in a column and have a first color. The first pixel unit, the sixth pixel unit, and the seventh pixel unit are arranged in a column and have a second color. The third pixel unit, the fourth pixel unit and the ninth pixel unit are arranged in a column and have a third color.

A tiled display device may include a first panel including a first display element layer; a second panel including a second display element layer; and a shared layer including a color conversion part. The shared layer may include a first portion and a second portion. The first portion may overlap the first panel in a plan view. The second portion may overlap the second panel in a plan view. The color conversion part may change a wavelength of light provided from the first panel and the second panel.

Discussed is a display apparatus including a substrate including a display portion, a plurality of pixels connected to a gate line and a data line disposed in the display portion, and a gate driving circuit disposed in the display portion to drive the gate line. The gate driving circuit includes a stage circuit unit including a plurality of stage circuits respectively disposed in a plurality of division regions defined in the display portion, and a circuit repair portion configured to repair at least one of the plurality of stage circuits and including a plurality of repair patterns. Further, at least one of the plurality of repair patterns is configured to be electrically disconnected from the at least one of the plurality of stage circuits.

A display panel includes a plurality of light-emitting elements. Light emitted from a first light-emitting element has a CIE 1931 chromaticity coordinate x of greater than 0.680 and less than or equal to 0.720 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.260 and less than or equal to 0.320. Light emitted from a second light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.130 and less than or equal to 0.250 and a CIE 1931 chromaticity coordinate y of greater than 0.710 and less than or equal to 0.810. Light emitted from a third light-emitting element has a CIE 1931 chromaticity coordinate x of greater than or equal to 0.120 and less than or equal to 0.170 and a CIE 1931 chromaticity coordinate y of greater than or equal to 0.020 and less than 0.060.

The present disclosure relates to a display apparatus. The display apparatus may include a plurality of display units, each of the plurality of display units including at least one pixel, and a plurality of connectors that connect the plurality of display units to one another. The plurality of connectors and the plurality of display units may form a mesh distribution structure and, when the mesh distribution structure is stretched in a first direction, the mesh distribution structure may be configured to expand in a second direction perpendicular to the first direction.

A stretchable display module and a manufacturing method thereof are provided. The stretchable display module includes a display layer including a plurality of display islands arranged and spaced apart from each other, wherein two of the adjacent display islands are electrically connected by a connecting wire; a transparent adhesive layer including a filling adhesive layer filled in a spacing region between the display islands, a first adhesive layer disposed on a surface of the display layer opposite an emitting direction of the display layer, and a second adhesive layer disposed on a surface of the display layer in the emitting direction.