[Object] It is possible to further improve reliability. [Solution] There is provided a display device including: a pixel unit which is configured with a plurality of pixel circuits arranged in a matrix, each of the pixel circuits including a light emitting element and a driving circuit for driving the light emitting element; scanning lines which are interconnections connected to the respective pixel circuits and are provided to extend in a first direction and correspond to respective rows of a plurality of the pixel circuits; and signal lines which are interconnections connected to the respective pixel circuits and are provided to extend in a second direction orthogonal to the first direction and correspond to respective columns of a plurality of the pixel circuits. One of the scanning lines and the signal lines, provided for the one pixel circuit, which is larger in number is positioned in a lower-level interconnection layer. An electrode of a capacitance element included in the driving circuit is positioned in the interconnection layer in which either the scanning lines or the signal lines are provided.

The present disclosure provides a display panel and a display device. The display panel includes a substrate and a pixel electrode layer disposed on the substrate. The pixel electrode layer includes pixel electrode groups arranged in an array in the first direction and second direction. Each pixel electrode group includes a first sub-pixel electrode and a third sub-pixel electrode arranged in the third direction, and a second sub-pixel electrode and a fourth sub-pixel electrode arranged in the fourth direction. The first and third sub-pixel electrodes are respectively located on two sides of an imagined connecting line connecting the geometric centers of the second sub-pixel electrode and the fourth sub-pixel electrode. Projections of the second sub-pixel electrode and the first sub-pixel electrode along the first direction at least partially overlap. Projections of the fourth sub-pixel electrode and the third sub-pixel electrode in the first direction at least partially overlap.

A display device includes a first display area including a plurality of first pixel areas, a second display area including a plurality of second pixel areas and a plurality of transmission areas, a plurality of pixels arranged in a matrix form in the first and second display areas, and a first signal line and a second signal line disposed to correspond to each pixel column in the plurality of pixels. In each pixel column, one of the first and second signal lines may extend over the first and second display areas, and a remaining one of the first and second signal lines may not be disposed in the second display area.

A display device includes a substrate and a plurality of first light-emitting elements having a microcavity structure on the substrate. Each of the plurality of first light-emitting elements includes a first light-emitting film and a first upper electrode and a first lower electrode sandwiching the first light-emitting film. The peak wavelength of an emission spectrum of the first light-emitting film is in a wavelength range where the luminosity curve slopes negatively. Within a wavelength range where the peak wavelength of a multiple interference spectrum caused by the microcavity structure varies when the viewing angle varies from 0° to 60°, the luminosity curve slopes negatively, and the emission spectrum slopes positively.

A display apparatus includes: a first sub-pixel having a parallelogram shape including a first side extending in a first direction and a first width in a second direction perpendicular to the first direction; a second sub-pixel having a parallelogram shape including a second side extending in the first direction and a second width in the second direction; a third sub-pixel having a parallelogram shape including a third side extending in the first direction and a third width in the second direction; and a plurality of light-blocking lines extending in the first direction and spaced apart from each other with a first distance in the second direction, wherein each of the first width, the second width, and the third width is an integer multiple of the first distance.

A display device includes a buffer area adjacent to a display area in a specific direction, a pad area arranged in the specific direction with respect to the buffer area, and a middle area including extension areas which extends from the pad area to the buffer area, where a wiring is arranged in the extension areas, and a middle opening area is defined in the middle area at least partially by edges of adjacent extension areas. A first buffer opening area, a second buffer opening area, and a third buffer opening area sequentially defined in the buffer area from the display area to the middle area. In the specific direction, a first width of the first buffer opening area is different from a second width of the second buffer opening area, and the second width is different from a third width of the third buffer opening area.

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.

Embodiments of the disclosed subject matter provide a full-color pixel arrangement for a device, the full-color pixel arrangement including a plurality of sub-pixels, each having an emissive region of a first color, where the full-color pixel arrangement comprises emissive regions having exactly one emissive color that is a red-shifted color of a deep blue sub-pixel of the plurality of sub-pixels. Embodiments of the disclosed subject matter may also provide a full-color pixel arrangement for a device, the full-color pixel arrangement including a plurality of sub-pixels, each having an emissive region of a first color, where the full-color pixel arrangement comprises emissive regions having exactly one emissive color, and where the plurality of sub-pixels comprise a light blue sub-pixel, a deep blue sub-pixel, a red sub-pixel, and a green sub-pixel.

A touch display device includes a substrate, a display layer disposed on the substrate, an insulating layer disposed on the display layer, and a touch electrode layer directly contacting the insulating layer. The display layer includes a first region, a second region, and a third region. The second region is located between the first region and the third region. The second region is foldable. The touch electrode layer includes a mesh structure, wherein the insulating layer is disposed between the display layer and the mesh structure. The insulating layer includes a first layer, a second layer, and a third layer. The second layer is disposed between the first layer and the third layer. The first layer and the third layer are formed of inorganic insulating materials. The second layer is formed of organic insulating material. The thickness of the first layer is greater than the thickness of the third layer.

A display device according to an embodiment includes a display area that includes a first and a second display area, a first pixel circuit portion on the first display area, a first light emitting element connected to the first pixel circuit portion; a second pixel circuit portion on the second display area, second light emitting elements connected to the second pixel circuit portion, and a driving circuit portion connected to the first and second pixel circuit portions, and overlapping the second light emitting element. An edge of the display area includes a straight line portion and a rounded portion. An arrangement of the second light emitting elements is different in the straight line portion than in the rounded portion.