A film mask, a manufacturing method thereof, a display panel and a display device are provided. The mask includes a frame and a first align mask. The frame includes two first frame edges extending along a first direction and arranged at intervals along a second direction and two second frame edges extending along the second direction and arranged at intervals along the first direction. The first frame edges and the second frame edges intersect to form a quadrilateral. The first frame edges and the second frame edges include first surfaces and second surfaces which are oppositely disposed. The first surfaces of at least three angles of the four angles are provided with the first align mask. The first align mask is provided with a first align identifier. The first direction intersects with the second direction.

A mask group may include two or more masks. When a section in a normal direction is viewed, a region-defining straight line may be defined as a straight line that forms an angle θ together with a first surface. The region-defining straight line may intersect the first surface at a first intersection point. An effective region may be defined as a region inside the first intersection point in the through-hole, and a peripheral region may be defined as a region outside the first intersection point in the through-hole. The angle θ may be 35° or more and 70° or less. The penetration region in the second mask region may include a hole overlapping region in which the through-holes of two masks overlap. The hole overlapping region may include a first hole overlapping region in which the peripheral regions of the through-holes of the two masks overlap.

A mask includes a mask sheet including an upper surface and a lower surface facing the upper surface, the mask sheet including an opening passing through the upper surface and the lower surface; and a mask frame that supports the mask sheet, the mask sheet includes a protrusion adjacent to the opening and protruding from the lower surface, and a recess adjacent to the protrusion and recessed from the lower surface toward the upper surface of the mask sheet.

A mask assembly and an organic light emitting display device manufactured using the mask assembly are capable of realizing an organic light emitting display device having a hole in a display area, the mask assembly including a frame defining a first opening area, a first mask on the frame and defining a plurality of second opening areas that overlap the first opening area, and a second mask fixed to the frame across the plurality of second opening areas, and including a body portion overlapping the first mask, a blocking portion at each respective one of the second opening areas, and a pattern portion between the body portion and the blocking portion, and defining a plurality of holes.

Embodiments of the present disclosure provide a display substrate, a display device and a mask, belonging to the field of display technology. The display substrate in the embodiments of the present disclosure has a stretchable area including an opening region, a bridge region and an island region. The display substrate includes: a base substrate; a plurality of light-emitting units, each light-emitting unit including a light-emitting device of at least one color; each island region is provided with at least one light-emitting unit. When the stretchable area is not stretched, light-emitting centers of the plurality of light-emitting units are arranged in a non-uniform mode, and after the stretchable area is stretched, the light-emitting centers of the light-emitting units are arranged in a uniform mode.

Disclosed are a mask device, a manufacturing method thereof, an evaporation method and a display device. The mask device includes: a mask frame; at least one first mask strip extending in a first direction, at least one second mask strip extending in a second direction, and a first mask plate extending in the first direction, which are fixed on the mask frame. The first direction crosses the second direction, the first mask strip and the second mask strip are intersected to define at least one mask opening, the first mask plate includes a mask pattern region, and the mask pattern region includes a first group of through holes covered by an orthographic projection of the at least one mask opening on the first mask plate, and a second group of through holes covered by an orthographic projection of the first and second mask strips on the first mask plate.

A mask plate, a method for manufacturing a mask plate, and a method for manufacturing an organic light-emitting device are disclosed. The mask plate includes a substrate and a first opening portion and a second opening portion formed on the substrate. The first opening portion includes a first edge and a second edge, an extending line of the first edge and an extending line of the second edge intersect at a first vertex to form a first corner, the second opening portion is at the first corner and protrudes outward, and an edge of the second opening portion intersects with the first edge and the second edge. The first opening portion and the second opening portion are used for evaporation on a display area of an organic light-emitting device, and the second opening portion is used to compensate for a corner of the display area during evaporation.

A mask including: a deposition pattern portion including a plurality of deposition holes that are configured to have deposition material pass therethrough; and a dummy pattern portion outside the deposition pattern portion, wherein the dummy pattern portion includes an auxetic structure having a negative Poisson's ratio.

A method for producing a vapor deposition mask capable of satisfying both enhancement in definition and reduction in weight even when a size increased, a method for producing a vapor deposition mask device capable of aligning the vapor deposition mask to a frame with high precision, and a method for producing an organic semiconductor element capable of producing an organic semiconductor element with high definition are provided. A metal mask provided with a slit, and a resin mask that is positioned on a front surface of the metal mask and has openings corresponding to a pattern to be produced by vapor deposition arranged by lengthwise and crosswise in a plurality of rows, are stacked.

The invention relates to a method for the production of materials. In particular the invention relates to nanostructured materials, and an apparatus and method for the production thereof. In accordance with the invention, nanostructured materials are produced by the subsequent steps of producing nanoparticles; transporting the nanoparticles into, and optionally through, a porous carrier by a gas flow; and depositing the nanoparticles onto the surface of said porous carrier in an essentially isotropic manner.