A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.

The present invention provides an organic thin film that imparts an excellent electron injection property and an excellent electron transport property when it is used as an electron injection layer of an organic EL device, a coating composition suitable for producing the organic thin film, and an organic EL device material for the organic thin film and the coating composition. The present invention provides an organic thin film, which is a single film containing a first material which is a compound having a structure of the following formula (1) and a second material which transports electrons or a laminate film including a film containing the first material and a film containing the second material,

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wherein X.sup.1 and X.sup.2 are the same as or different from each other and are each a nitrogen atom optionally having a substituent group, an oxygen atom optionally having a substituent group, a sulfur atom optionally having a substituent group, or a divalent linking group optionally having a substituent group; L is a direct bond or a linking group having a valence of p; n is a number of 0 or 1; p is a number of 1 to 4; q is a number of 0 or 1, with q being 0 when p is 1; R.sup.1 to R.sup.3 are the same as or different from each other and are each a monovalent substituent; and m.sup.1 to m.sup.3 are the same as or different from each other and are each a number of 0 to 3.

A light-emitting device includes an HTL including a metal chalcogenide between an anode and an EML, with an IL including an organic material at least between the HTL and the EML. A distance between the HTL and the EML in a light-emitting element that emits light in a wavelength band having the shortest light emission peak wavelength is greater than a distance between the HTL and the EML in each of the other light-emitting elements.

The present invention provides a light absorption layer for forming a photoelectric conversion element and a solar cell excellent in photoelectric conversion efficiency, a photoelectric conversion element and a solar cell having the light absorption layer, and a method for manufacturing a light absorption layer having few voids. The light absorption layer of the present invention contains a perovskite compound and a quantum dot containing an aliphatic amino acid.

A light-emitting device includes: a first light-emitting element including a first light-emitting layer configured to emit light having a light-emitting central wavelength of a first wavelength, and a first electron transport layer layered with the first light-emitting layer; and a second light-emitting element including a second light-emitting layer configured to emit light having a light-emitting central wavelength of a second wavelength shorter than the first wavelength, and the second electron transport layer layered with the second light-emitting layer. Each of the first electron transport layer and the second electron transport layer includes a plurality of nanoparticles, and the second electron transport layer includes the plurality of nanoparticles having a smaller average particle size than the plurality of nanoparticles included in the first electron transport layer, and has a smaller thickness than the first electron transport layer.

A display device includes: a first substrate including a first through hole, a display area, and a non-display area, the display area surrounding the first through hole, and the non-display area surrounding at least a portion of the display area; an inorganic insulating layer arranged in the display area; a display element layer including a display element and arranged on the inorganic insulating layer; a second substrate including a second through hole and arranged on the display element layer, the second through hole being connected to the first through hole; and a blocking member arranged along an inner surface of the first through hole and the second through hole, and extending from the first substrate to the second substrate, wherein the inorganic insulating layer extends from the display area to the inner surface of the first through hole.

A display apparatus, comprising a substrate; a light-emitting device layer arranged on the substrate, wherein the light-emitting device layer comprises a first, second, and third areas, and at least one light-emitting device emitting a first light; and a color conversion layer arranged on the light-emitting device layer, wherein the color conversion layer comprises first, second, and third color conversion areas, wherein the first color conversion area emits a first color light, the second color conversion area emits a second color light, the third color conversion area emits a third color light, a maximum emission wavelength of the first, second, and third color lights are greater than a maximum emission wavelength of the first light, a color of the third color light is identical to that of the first light, and the maximum emission wavelength of the third color light is greater than the maximum emission wavelength of the first light.

A display substrate includes a base substrate and an encapsulation film disposed at a first side of the base substrate. At least one corner of an edge of the encapsulation film is a rounded corner or a substantially rounded corner.

A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.

A display device comprises a substrate including a display region including a plurality of sub-pixels and a pad region outside the display region; a display element disposed in each of the plurality of sub-pixels; a low potential electrode formed in the pad region to apply a low potential voltage to the display element; a light absorption layer disposed on the low potential electrode in the pad region; and an encapsulation layer formed in the display region and the pad region.