Abstract: A light emitting device includes a first electrode, a hole transport region located at (e.g., on), the first electrode, a light emitting layer located at (e.g., on), the hole transport region, an electron transport region located at (e.g., on), the light emitting layer, and a second electrode located at (e.g., on), the electron transport region. The electron transport region includes a mixed layer in which a first compound represented by Formula 1 and a second compound different from the first compound and represented by Formula 2 are mixed. The mixed layer is configured so that the light emitting efficiency and device lifespan of the light emitting device may be enhanced or improved.

Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, a hole transport layer, and an electron transport layer. The emission layer includes an electron transport host compound and a dopant. A hole mobility of the hole transport layer is greater than 1×10?4 cm2/Vs, an electron mobility of the electron transport layer is greater than 1×10?5 cm2/Vs, and an electron mobility of the electron transport host compound is less than 1×10?8 cm2/Vs.

Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.

Abstract: Embodiments provide an organic light-emitting device that includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer. The emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is a hole transporting host, the second compound is an electron transporting host, the third compound is a Pt complex, and the fourth compound is an Ir complex containing a halogen group.

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode, the interlayer including an emission layer, wherein the interlayer includes a multi-layered film consisting of an odd number of layers, and the multi-layered film is formed by alternately stacking layers having different refractive indices from each other.

Abstract: A light-emitting device includes an electron transport region including a first electron transport layer and a second electron transport layer. The first electron transport layer includes a first compound, the second electron transport layer includes a second compound, the first compound includes a pyrimidine group, the second compound includes a triazine group, and an absolute value of a lowest unoccupied molecular orbital (LUMO) energy of the first compound (ELUMO_E1) is less than an absolute value of a LUMO energy of the second compound (ELUMO_E2). An electronic apparatus including the light-emitting device.

Abstract: A light-emitting device includes an interlayer that includes a first hole transport layer, a second hole transport layer, and a third hole transport layer, wherein the first hole transport layer includes a first hole transport compound and a first p-dopant compound, the second hole transport layer includes a second hole transport compound and a second p-dopant compound, the third hole transport layer includes a third hole transport compound and does not include a p-dopant, and an absolute value of lowest unoccupied molecular orbital (LUMO) energy of the second p-dopant compound is greater than an absolute value of LUMO energy of the first p-dopant compound.

Abstract: The present application provides a light-emitting device. The light-emitting device includes: a first electrode; a second electrode; and an interlayer located between the first electrode and the second electrode, the interlayer including an emission layer, wherein the emission layer includes a first compound represented by Formula 1 and a second compound including at least one of an electron withdrawing group and a ? electron-deficient nitrogen-containing C1-C60 cyclic group.

Abstract: A light-emitting device includes: a first electrode; a second electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer further includes a hole transport region between the emission layer and the first electrode, the hole transport region includes a hole transport layer, the hole transport layer includes a first compound and a second compound, the hole transport layer directly contacts the first electrode, and the first compound and the second compound satisfy Condition 1, as defined herein.

Abstract: A light-emitting device includes: a plurality of first electrodes respectively in a first sub-pixel, a second sub-pixel, and a third sub-pixel; a second electrode facing the plurality of first electrodes; a first emission layer in the first sub-pixel and configured to emit a first color light; a second emission layer in the second sub-pixel and configured to emit a second color light; a first layer that is integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first intermediate layer between the first auxiliary layer and the first emission layer. The first emission layer includes a first host and a first dopant. The first dopant is configured to emit light having a full width at half maximum (FWHM) of about 35 nm or more.

Abstract: A light-emitting device is provided. The light-emitting device includes: a plurality of first electrodes positioned on a first sub-pixel, a second sub-pixel, and a third sub-pixel, respectively; a second electrode facing the plurality of first electrodes; a first emission layer on the first sub-pixel to emit a first color light; a second emission layer on the second sub-pixel to emit a second color light; a first layer integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first interlayer between the first auxiliary layer and the first emission layer. The absolute value of the highest occupied molecular orbital (HOMO) energy level of the first interlayer is greater than the absolute value of the HOMO energy level of the first auxiliary layer, and is smaller than the absolute value of the HOMO energy level of the first emission layer.

Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.

Abstract: An organic electroluminescence display device includes a first electrode, a first light emitter on the first electrode, the first light emitter including a first light emitting layer, a first charge generation layer disposed on the first light emitter, a second light emitter on the first charge generation layer, the second light emitter including a second light emitting layer, and a second electrode on the second light emitter. The first light emitter includes a first electron injection enhancing layer on the first light emitting layer. The second light emitter includes an electron injection suppressing layer on the second light emitting layer, the electron injection suppressing layer having electron mobility less than that of the first electron injection enhancing layer.

Abstract: A light-emitting device includes: a plurality of first electrodes respectively in a first sub-pixel, a second sub-pixel, and a third sub-pixel; a second electrode facing the plurality of first electrodes; a first emission layer in the first sub-pixel and configured to emit a first color light; a second emission layer in the second sub-pixel and configured to emit a second color light; a first layer that is integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first intermediate layer between the first auxiliary layer and the first emission layer. The first emission layer includes a first host and a first dopant. The first dopant is configured to emit light having a full width at half maximum (FWHM) of about 35 nm or more.

Abstract: A bent edge display panel including a flat area in which pixel groups are repeatedly formed in a first direction and in a second direction perpendicular to the first direction, each of the pixel groups including a first pixel, a second pixel, and a third pixel, and a bending area extending and being bent from the flat area along the first direction, wherein a pixel group from among the pixel groups and a compensating pixel are in the bending area.

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode, a second sub-electrode, and a third sub-electrode which are arranged on the substrate; an organic light emitting layer on the first electrode and including a first light emitting layer, a second light emitting layer, and a third light emitting layer; and a second electrode on the organic light emitting layer, and the first light emitting layer is on the first sub-electrode, the second light emitting layer is on the first sub-electrode, the second sub-electrode, and the third sub-electrode, and the third light emitting layer is on the third sub-electrode, and the first light emitting layer is on a lower portion of the second light emitting layer, and the third light emitting layer is on an upper portion of the second light emitting layer.

Abstract: A light-emitting device is provided. The light-emitting device includes: a plurality of first electrodes positioned on a first sub-pixel, a second sub-pixel, and a third sub-pixel, respectively; a second electrode facing the plurality of first electrodes; a first emission layer on the first sub-pixel to emit a first color light; a second emission layer on the second sub-pixel to emit a second color light; a first layer integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first interlayer between the first auxiliary layer and the first emission layer. The absolute value of the highest occupied molecular orbital (HOMO) energy level of the first interlayer is greater than the absolute value of the HOMO energy level of the first auxiliary layer, and is smaller than the absolute value of the HOMO energy level of the first emission layer.

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode, a second sub-electrode, and a third sub-electrode which are arranged on the substrate; an organic light emitting layer on the first electrode and including a first light emitting layer, a second light emitting layer, and a third light emitting layer; and a second electrode on the organic light emitting layer, and the first light emitting layer is on the first sub-electrode, the second light emitting layer is on the first sub-electrode, the second sub-electrode, and the third sub-electrode, and the third light emitting layer is on the third sub-electrode, and the first light emitting layer is on a lower portion of the second light emitting layer, and the third light emitting layer is on an upper portion of the second light emitting layer.

Abstract: A bent edge display panel including a flat area in which pixel groups are repeatedly formed in a first direction and in a second direction perpendicular to the first direction, each of the pixel groups including a first pixel, a second pixel, and a third pixel, and a bending area extending and being bent from the flat area along the first direction, wherein a pixel group from among the pixel groups and a compensating pixel are in the bending area.