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, a display apparatus, and a display device. The display panel includes a display panel, including: a first display region, including first pixel units; and a second display region, including second pixel units and compensation pixel units. A pixel density of the first display region is greater than a pixel density of the second display region; the compensation pixel units are arranged in a region between the second display region and the first display region; the compensation pixel units are configured to compensate for a color difference between the first display region and the second display region. The compensation pixel units include first compensation pixel units and second compensation pixel units; the first compensation pixel units are disposed on a side of the second display region, and the second compensation pixel units are disposed on another side of the second display region along a row direction.

A light-emitting device including a first electrode, a hole transport region disposed on the first electrode, a first light-emitting layer disposed on the hole transport region and emitting light of a first wavelength, a second light-emitting layer disposed on the hole transport region and emitting light of a second wavelength different from the first wavelength, an electron transport region disposed on the first light-emitting layer and the second light-emitting layer, and a second electrode disposed on the electron transport region, wherein the second light-emitting layer includes a first sub light-emitting layer including a first host and a first dopant and emitting the light of the second wavelength, and a second sub light-emitting layer including a second host different from the first host and a second dopant and emitting the light of the second wavelength. Accordingly, a luminous efficiency and device lifetime of the light-emitting device may be improved.

A display device is provided to include a display panel including a plurality of light emitting elements, and a plurality of color filters disposed to overlap the plurality of light emitting elements, respectively. The plurality of color filters may include first color filters having a light transmittance of 80% or less and second color filters that have higher light transmittance to a first color light than the first color filters and have lower light transmittance to a second color light than the first color filters.

A display panel includes a plurality of emission areas emitting light and a light blocking area at least partially surrounding the plurality of emission areas, a plurality of touch electrodes disposed in the light blocking area on the display panel to sense a touch, a wavelength absorption layer disposed on the plurality of touch electrodes to absorb light of a specific wavelength, a bridge electrode disposed on the wavelength absorption layer to connect adjacent touch electrodes among the plurality of touch electrodes to each other, and a code pattern having position information determined by a planar shape of the bridge electrode.

A light emitting diode (LED) pixel for a display including a first LED stack having a first well layer, a second LED stack disposed on the first LED stack and having a second well layer, a third LED stack disposed on the second LED stack and having a third well layer, a first electrode disposed on the first LED stack and in ohmic contact with the first LED stack, a second electrode disposed on the second LED stack and in ohmic contact with a surface of the second LED stack, and a third electrode in ohmic contact with a surface of the third LED stack, in which the first well layer includes at least one base material different from that of the second well layer.

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, a mask assembly, and an apparatus for manufacturing the display device are provided. The display device may reduce glare and includes sub-pixels having accurate and precise patterns. The display device including a first sub-pixel having a quadrangular shape, a second sub-pixel facing a first side of the first sub-pixel, the second sub-pixel having a quadrangular shape, and a third sub-pixel facing the first side of the first sub-pixel and spaced apart from the second sub-pixel, the third sub-pixel having a quadrangular shape, where a distance from the first side of the first sub-pixel to the second sub-pixel and a distance from the first side of the first sub-pixel to the third sub-pixel are different from each other.

The present invention provides an organic light emitting diode (OLED) display panel. At least one light transmissive region used for placing photosensitive elements thereon is defined in a display region of the OLED display panel. Special-shaped sub-pixels are arranged at a periphery of each of the at least one light transmissive region. Each special-shaped sub-pixel includes at least one recess, and the at least one recess is at one side of the special-shaped sub-pixel facing a corresponding one of the at least one light transmissive region. An edge of each of the at least one recess conforms in shape to an edge of a corresponding one of the at least one light transmissive region.

A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.