An electronic device may have a display such as an organic light-emitting diode display. The organic light-emitting diode display may have an array of organic light-emitting diode pixels that each have organic light-emitting diode layers interposed between a cathode and an anode. To improve off-axis luminance and luminance uniformity, the display may include green pixels with emission spectra having a narrow full width at half maximum, the display may include a reflective layer that is formed separately from a transparent anode, and/or the display may include a diffusive layer. The diffusive layer may be embedded in one or more encapsulation layers for the display. The diffusive layer may be a diffusive color filter.

A display device includes: a substrate including a first area, a second area and a third area; a first pixel electrode, a second pixel electrode and a third pixel electrode disposed in the first area, the second area and the third area, respectively, on the substrate; a sub-pixel electrode disposed on the third pixel electrode; a first emissive layer, a second emissive layer and a third emissive layer disposed on the first pixel electrode, the second pixel electrode and the sub-pixel electrode, respectively; and a common electrode disposed on entireties of the first emissive layer, the second emissive layer and the third emissive layer. The sub-pixel electrode includes an upper sub-electrode made of a transparent metal material and a lower sub-electrode having a distance-adjusting function.

Provided are a display apparatus and an electronic device having excellent color purity. A display apparatus includes a plurality of first electrodes disposed two-dimensionally, a second electrode disposed on a side of a first surface of each of the first electrodes, an electroluminescence layer disposed between the first electrodes and the second electrode, a reflector facing a second surface of each of the first electrodes, an interlayer film covering the reflector, and an insulating layer provided between adjacent first electrodes of the plurality of first electrodes and having a plurality of openings, in which each of the openings is provided on the first surface of each of the first electrodes, and the reflector, the interlayer film, the first electrodes, the electroluminescence layer, and the second electrode constitute a resonator structure that resonates emitted light from the electroluminescence layer, and in a case where a region corresponding to each of the openings is a first region and a region corresponding to an outer side of the first region in a region corresponding to each of the first electrodes is a second region in a plan view, a resonance order of a portion corresponding to the first region and a resonance order of a portion corresponding to the second region are different in the resonator structure.

A display device includes a substrate including an upper surface, a pixel circuit layer on the substrate and comprising a transistor, an insulating layer on the pixel circuit layer, the insulating layer defining a trench having a depth, and a first pixel electrode connected to the pixel circuit layer, the first pixel electrode having a thickness which is greater than the depth of the trench. The first pixel electrode includes a center area overlapping the trench, and a peripheral area which is adjacent to the center area, a lower surface corresponding to the center area and to the peripheral area, and a distance from the lower surface of the first pixel electrode to the upper surface of the substrate, in the center area, being smaller than a distance between the lower surface of the first pixel electrode and the upper surface of the substrate, in the peripheral area.

Embodiments of a display device are described. A display device includes first and second sub-pixels. The first sub-pixel includes a first light source having a quantum dot (QD) film, a blocking layer disposed on the QD film, and a first portion of an organic phosphor film disposed on the blocking layer and a first substrate configured to support the first light source. The blocking layer is configured to prevent emission of light from the first portion of the organic phosphor film and the QD film is configured to emit a primary emission peak wavelength in a red, green, cyan, yellow, or magenta wavelength region of an electromagnetic (EM) spectrum. The second sub-pixel includes a second light source and a second substrate configured to support the second light source. The second light source has a second portion of the organic phosphor film disposed adjacent to the QD film. The second portion of the organic phosphor film is configured to emit a primary emission peak wavelength in a blue, violet, or ultraviolet wavelength region of an EM spectrum.

An organic light emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B: ##STR00001##

Provided a light emitting device including a reflective layer including a plurality of nanostructures that are periodically two-dimensionally arranged, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein the planarization layer includes a conductive material that is transparent with respect to light emitted by the organic emission layer, and wherein the planarization layer is disposed on upper surfaces of the plurality of nanostructures such that an air gap is provided between adjacent nanostructures of the plurality of nanostructures.

A display panel includes: multiple light-emitting devices arranged on a substrate, each light-emitting device includes a first electrode, multiple light-emitting units and a second electrode sequentially arranged in a direction away from the substrate, a microcavity structure is formed between the first electrode and the second electrode, the light-emitting unit includes a light-emitting layer, light-emission colors of at least two light-emitting layers in the same light-emitting device are different, and at least one light-emitting device includes a cavity length adjusting layer; and a color conversion layer including multiple wavelength conversion units, each wavelength conversion unit corresponds to a light-emitting device having the cavity length adjusting layer, the wavelength conversion unit is arranged on a light outlet side of the light-emitting device, at least one light-emission peak in a light-emission band of the light-emitting device is less than or equal to an intrinsic light-emission peak of a corresponding wavelength conversion unit.

A display apparatus having a light detection function is provided. The display apparatus includes a first pixel and a second pixel. The first pixel includes a first subpixel and a second subpixel. The second pixel includes a third subpixel. The first subpixel is a subpixel that emits light with the shortest wavelength (e.g., blue light or light with a shorter wavelength than blue light) in subpixels included in the first pixel. The second subpixel has a function of receiving the light emitted by the first subpixel. The third subpixel is a subpixel that emits light with the shortest wavelength in subpixels included in the second pixel. The wavelength of the light emitted by the first subpixel is shorter than the wavelength of the light emitted by the third subpixel.

A novel organic compound represented by General Formula (G1) is provided. In General Formula (G1), X.sup.1 and X.sup.2 each independently represent a secondary or tertiary alkyl group having 3 to 6 carbon atoms and having a branched carbon atom which is bonded to a phenyl group. In addition, Ar.sup.1 represents a substituted or unsubstituted condensed aromatic ring skeleton having 10 to 60 carbon atoms and composed of two or more rings or a substituted or unsubstituted condensed heteroaromatic ring skeleton having 8 to 60 carbon atoms and composed of two or more rings. Furthermore, Ar.sup.2 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Moreover, n represents any of 1 to 3, and in the case where n is 2 or more, two or more groups bonded to Ar.sup.1 may be identical or different. ##STR00001##