Abstract: According to one embodiment, a measuring method includes forming a partition including a lower portion arranged on a first surface side of a base and an upper portion protruding from a side surface of the lower portion, acquiring a first image including the partition, which is generated by emitting electromagnetic waves from the first surface side of the base or a second surface side opposed to the first surface of the base, analyzing the acquired first image, and measuring an amount of protrusion at which the end portion of the upper portion protrudes from the side surface of the lower portion, based on the analysis result.

Abstract: A display device according to an embodiment of the present disclosure comprises a display area arranged with a plurality of pixels including a first pixel containing a first deposition material and a second pixel containing a second deposition material and having the same size as the first pixel and a non-display area located around the display area including a first area adjacent to one side of the display area and a second area adjacent to the other side opposite the one side of the display area. The first area is arranged with a first deposition pattern containing the first deposition material, and the second area is arranged with a second deposition pattern containing the second deposition material and having the same size as the first deposition pattern. The second deposition pattern is not arranged in the first area.

Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the plurality of pixels including a first electrode, a light emitting layer above the first electrode, and a second electrode above the light emitting layer, a display region including the plurality of pixels, a first organic insulating layer located between the substrate and the light emitting layer, and a sealing layer above the second electrode and covering the plurality of pixels. The first organic insulating layer includes a first opening part surrounding the display region, the sealing layer has a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, the first inorganic insulating layer and the second inorganic insulating layer cover the first opening part, a second opening part passing through the first inorganic insulating layer and the second inorganic insulating layer.

Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the plurality of pixels including a first electrode, a light emitting layer above the first electrode, and a second electrode above the light emitting layer, a display region including the plurality of pixels, a first organic insulating layer located between the substrate and the light emitting layer, and a sealing layer above the second electrode and covering the plurality of pixels. The first organic insulating layer includes a first opening part surrounding the display region, the sealing layer has a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, the first inorganic insulating layer and the second inorganic insulating layer cover the first opening part, a second opening part passing through the first inorganic insulating layer and the second inorganic insulating layer.

Abstract: A weak light releasing layer includes a plurality of weak light releasing sections separated from each other by overlapping with corresponding one of the plurality of light releasing sections and a second inspection portion that is positioned relatively to the plurality of weak light releasing sections and overlaps with a first inspection portion. There are a first region and a second region that differ depending on whether or not there is an overlap with the second inspection portion inside an outer shape of the first inspection portion. The first region is sandwiched between any pair of portions of the second region in any of a plurality of directions orthogonal to each other.

Abstract: A weak light releasing layer includes a plurality of weak light releasing sections separated from each other by overlapping with corresponding one of the plurality of light releasing sections and a second inspection portion that is positioned relatively to the plurality of weak light releasing sections and overlaps with a first inspection portion. There are a first region and a second region that differ depending on whether or not there is an overlap with the second inspection portion inside an outer shape of the first inspection portion. The first region is sandwiched between any pair of portions of the second region in any of a plurality of directions orthogonal to each other.

Abstract: A display device includes a substrate, a plurality of pixels above the substrate, each of the plurality of pixels including a first electrode, a light emitting layer above the first electrode, and a second electrode above the light emitting layer, a display region including the plurality of pixels, a first organic insulating layer located between the substrate and the light emitting layer, and a sealing layer above the second electrode and covering the plurality of pixels. The first organic insulating layer includes a first opening part surrounding the display region, the sealing layer has a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, the first inorganic insulating layer and the second inorganic insulating layer cover the first opening part, a second opening part passing through the first inorganic insulating layer and the second inorganic insulating layer.