Provided is a display device capable of curbing degradation of color purity.

The display device includes: a plurality of first electrodes that are two-dimensionally disposed; a second electrode that is provided to face first surfaces of the plurality of first electrodes; an electroluminescence layer that is provided between the plurality of first electrodes and the second electrode; an insulating layer that is provided between the adjacent first electrodes; and a plurality of reflective plates that are provided to second surfaces of the plurality of first electrodes, respectively. A plurality of resonator structures that resonate light emitted from the electroluminescence layer are configured of the second electrode and the plurality of reflective plates. The insulating layer includes a plurality of openings, and the openings are provided above the first surfaces of the first electrodes. The reflective plates include counter surfaces that face the electroluminescence layer via the first electrodes. In a case where regions corresponding to the openings in a plan view are defined as first regions, and regions corresponding to peripheral edge parts of the openings in the plan view are defined as second regions, a reflectance R1 on the counter surfaces in the first regions and a reflectance R2 on the counter surfaces in the second regions satisfy a relationship of R2<R1.

According to one embodiment, a display device includes a lower electrode, a rib including a pixel aperture, a partition on the rib, an upper electrode, and an organic layer between the lower electrode and the upper electrode. The partition includes a conductive first portion, a conductive second portion which is provided on the first portion and is in contact with the upper electrode, and a third portion provided on the second portion. A lower end of the second portion protrudes in a width direction of the partition relative to the first portion. The third portion protrudes in the width direction relative to an upper end of the second portion.

A light emitting display apparatus can include a plurality of first pixels arranged in a first direction of a display area displaying an image, a plurality of second pixels arranged in parallel with the plurality of first pixels in the first direction in the display area, a plurality of third pixels arranged in parallel with the plurality of second pixels in the first direction in the display area, a first emission layer wall and a second emission layer wall provided at a first outer portion and a second outer portion of outer portions surrounding the plurality of first pixels and the plurality of second pixels, a main cathode covering an upper end of a main emission layer provided in the plurality of first pixels and the plurality of second pixels, and a sub-cathode covering an upper end of a sub emission layer provided in the third pixels.

According to one embodiment, a display device includes a substrate, a lower electrode, a rib, a partition including a lower portion and an upper portion, an organic layer provided on the lower electrode and including a light emitting layer, and an upper electrode provided on the organic layer and in contact with the lower portion of the partition. The organic layer includes a first end portion located on the rib, and a second end portion located on the rib on an opposite side of the first end portion. A thickness of the upper electrode immediately above the second end portion is greater than a thickness of the upper electrode immediately above the first end portion.

A display substrate and a display apparatus are provided. The display substrate includes a base substrate, sub-pixels, a pixel defining layer having openings, spacers on the pixel defining layer. A shape of at least one of the openings is a polygon with at least one vertex angle cut off, and a corner portion of the opening includes a first corner portion formed by cutting off one vertex angle included between two sides of the polygon from the polygon. At least one of the spacers is arranged at an interval between the first corner portion and the opening adjacent to the first corner portion, and a connecting line between a geometric center of the opening where the first corner portion is located and a geometric center of the opening adjacent to the first corner portion passes through the first corner portion and the spacer.

A display substrate is provided, including: a base substrate and a plurality of sub-pixels disposed on the base substrate. Each sub-pixel includes a pixel driving circuit, and the pixel driving circuit includes a writing transistor, a compensation transistor, a first reset transistor, and a storage capacitor. The display substrate includes a semiconductor layer, a first conductive layer and a second conductive layer disposed in sequence on the base substrate. Gates of the writing transistor, the compensation transistor and the first reset transistor are in the first conductive layer and are implemented as an integral structure. Active layers of the writing transistor, the compensation transistor and the first reset transistor are in the semiconductor layer. A first storage capacitor electrode of the storage capacitor is in the first conductive layer, and a second storage capacitor electrode of the storage capacitor is in the second conductive layer.

Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

A light emitting device in which pixels are arranged is provided. Each of the pixels includes an organic layer including a light emitting layer, a reflective layer arranged between the main surface and the organic layer, a first insulator arranged between the reflective layer and the organic layer, a transmission electrode arranged between the first insulator and the organic layer, and a second insulator arranged so as to cover a peripheral edge portion of the transmission electrode while including an opening portion that exposes a part of the transmission electrode. A groove extending through the first insulator is provided between the peripheral edge portion of the transmission electrode and the reflective layer, the transmission electrode is electrically connected to the reflective layer in the groove, and the second insulator includes a recess portion in a portion covering the groove.

A display device includes: a plurality of first electrodes shaped into islands; a first light-emitting layer formed to overlap with a first electrode among the plurality of the first electrodes, the first light-emitting layer containing a first light-emitting material and resin; a second light-emitting layers formed to overlap with another first electrode among the plurality of the first electrodes, the second light-emitting layers being made of a second light-emitting material; and a bank formed in a shape of a picture frame, or formed to include two partition walls facing each other and separating an inner region from an outer region. The second light-emitting layer is provided behind the bank to be in contact with an inner side face of the bank, and the first light-emitting layer is formed out of the bank.

According to one embodiment, a display device includes a lower electrode, a rib including a pixel aperture, a partition on the rib, an upper electrode, and an organic layer between the lower electrode and the upper electrode. The partition includes an insulating first portion, a conductive second portion which is provided on the first portion and is in contact with the upper electrode, and a third portion provided on the second portion. A lower end of the second portion protrudes in a width direction of the partition relative to the first portion. The third portion protrudes in the width direction relative to an upper end of the second portion.