A metal plate includes a surface including a longitudinal direction of the metal plate and a width direction orthogonal to the longitudinal direction. A surface reflectance by regular reflection of a light is 8% or more and 25% or less. The surface reflectance is measured when the light is incident on the surface at an angle of 45°±0.2°. The light is in at least one plane orthogonal to the surface.

A barrier film is formed on a resin layer so as to include a missing part where a portion of the barrier film is missing in a central end region of the resin layer.

A method for producing an organic electroluminescent device, includes the steps of forming the thin film encapsulation structure including: step A of forming a first inorganic barrier layer, step B of, after step A, detecting particles located below or above the first inorganic barrier layer and each having an area-equivalent diameter of 0.2 μm or longer and 5 μm or shorter, and finding position information, size information and shape information on each of the detected particles and finding an aspect ratio of each of particles, among the detected particles, having an area-equivalent diameter of 1 μm or longer, step C of supplying each of the particles with a microscopic liquid drop(s) of a coating liquid containing a photocurable resin by an inkjet method based on the position information, step D of, after step C, irradiating the photocurable resin with ultraviolet rays and thus curing the photocurable resin to form an organic barrier layer, and step E of, after step D, forming a second inorganic barrier layer on the first inorganic barrier layer and the organic barrier layer, and wherein step C includes the step of supplying each of first particles each having an aspect ratio of 3 or larger, among the particles, with a first microscopic liquid drop having a volume of 0.1 fL or larger and smaller than 10 fL at least twice along a longer axis of the first particle.

A method for manufacturing a light-emitting device that is provided with, on a substrate, a light-emitting element including a first electrode, a second electrode, and a quantum dot layer, the method including: forming the quantum dot layer, the forming the quantum dot layer including performing first application that involves applying a first solution, performing first heating that involves raising an atmospheric temperature around the substrate to a temperature equal to or higher than a first temperature, and performing second heating that involves raising the atmospheric temperature to a second temperature, wherein the first solution contains a first solvent, quantum dots, a ligand, the quantum dot includes a core and a first shell, the second temperature is a temperature to form a second shell, and at least one set of the quantum dots adjacent to each other is connected to each other via the second shell.

A light-emitting device includes, light-emitting elements each including a first electrode, a second electrode, and a quantum dot layer interposed between the first electrode and the second electrode. The quantum dot layer includes a quantum dot structure including a quantum dot having a core and a first shell, with which the core is coated, and a second shell, with which the first shell is coated. The first shell and the second shell have a crystal structure, and at least one set of the quantum dots adjacent to each other is connected to each other by the crystal structure of the second shell. Forming the quantum dot layer includes vaporizing a solvent of a solution in which a ligand is dispersed, cooling, and forming the second shell by epitaxial growth around the first shell in that order.

The alignment mechanism of the present disclosure is configured to adjust positions of a substrate and a mask, the alignment mechanism being characterized by including a substrate suctioner configured to suction and hold the substrate; a mask supporter configured to support the mask; a temporary receiver configured to temporarily support at least one of the substrate to be suctioned by the substrate suctioner and the mask to be placed on the mask supporter, the temporary receiver being provided at the mask supporter; a horizontal coarse movement stage mechanism that carries the mask supporter and the temporary receiver and moves the mask supporter and the temporary receiver within the horizontal plane; and a vertical coarse movement stage mechanism that raises and lowers the horizontal coarse movement stage mechanism.

A display device includes: pixel electrodes; a first insulation layer having openings corresponding to the respective plurality of pixel electrodes, the first insulation layer being on each periphery of the plurality of pixel electrodes; a second insulation layer on an upper surface of the first insulation layer except for a part thereof; and an electroluminescence layer including light-emitting layers overlapping with the pixel electrodes. Each of the light-emitting layers and another one of the light-emitting layers in different light-emitting colors are adjacent to each other, constituting a pair of different-color-emitting layers. The openings include a pair of different-color openings that overlap with the respective pair of different-color-emitting layers. The second insulation layer is at least between the pair of different-color openings and is adjacent to each of the pair of different-color openings entirely along mutually opposed sides of the pair of different-color openings.

A light-emitting device includes a first light-emitting region in which a light emission peak wavelength is a first wavelength; a second light-emitting region in which a light emission peak wavelength is a second wavelength shorter than the first wavelength; a cathode disposed in the first light-emitting region and the second light-emitting region; an anode facing the cathode in the first light-emitting region and the second light-emitting region; a second light-emitting layer disposed between the cathode and the anode in the first light-emitting region and the second light-emitting region and having a light emission peak wavelength being the second wavelength; a first light-emitting layer disposed between the anode and the second light-emitting layer at least in the first light-emitting region and having a light emission peak wavelength being the first wavelength; and a first electron transport layer disposed between the first light-emitting layer and the second light-emitting layer in the first light-emitting region and having ionization energy higher than both of ionization energy of the first light-emitting layer and ionization energy of the second light-emitting layer.

A display device includes: a base substrate; light-emitting elements on the base substrate with a TFT layers intervening between the light-emitting elements and the base substrate, to form a display area; a sealing film including a sequentially formed stack of a first inorganic film and a second inorganic film and provided so as to cover the light-emitting elements; and an insular non-display area in the display area, wherein the non-display area includes a frame-shaped inner circular wall protruding in a thickness direction of the base substrate and extending along a boundary between the non-display area and the display area, and the inner circular wall includes on a surface thereof an organic buffer layer interposed between the first inorganic film and the second inorganic film.

A gas barrier film according to an aspect of the present disclosure includes, in this order: a substrate; a first AlO.sub.x-deposited layer; a gas barrier intermediate layer; a second AlO.sub.x-deposited layer; and a gas barrier coating layer, each of the first and second AlO.sub.x-deposited layers having a thickness of 15 nm or less, each of the gas barrier intermediate layer and the gas barrier coating layer having a thickness of 200 to 400 nm, the gas barrier coating layer having a first complex modulus of 7 to 11 GPa at a measurement temperature of 25° C. and a second complex modulus of 5 to 8 GPa at a measurement temperature of 60° C., the first and second complex moduli being measured by nanoindentation.