Abstract: The present disclosure relates to a mask, a mask device and a mask design method. The mask includes: a pattern area, wherein the pattern area includes a plurality of openings, among which adjacent openings are spaced apart by a first rib, and at least one of the plurality of openings has a non-straight side, two first straight sides intersecting with the non-straight side, and a second straight side opposite to the non-straight side and intersecting with the first straight sides; and a second rib located at an edge of the pattern area, wherein the second rib is provided with a cutout for compensating for stretch deformation of the non-straight side, extending lines of the two first straight sides extending toward the second rib along a first direction intersect with the second rib to obtain a first area, and the cutout is located at least within the first area.

Abstract: A flexible display panel for a display device and a display device are provided. The flexible display panel includes: a first display portion and a second display portion connected with the first display portion. A color temperature of a first white image displayed by the first display portion in a flat state is different from a color temperature of a second white image displayed by the second display portion in the flat state.

Abstract: An apparatus for adsorbing a mask includes an adsorbing member and a controller connected to the adsorbing member. The adsorbing member is configured to adsorb the mask during evaporation and is capable of simultaneously producing different or a same adsorption force to different regions of the mask. The controller is configured to control the adsorbing member to start adsorption from at least one initial adsorption region of the mask, and then control the adsorbing member to gradually expand an adsorption range from the at least one initial adsorption region until the mask is entirely attached to a base substrate.

Abstract: A method for controlling stretching of a mask includes: obtaining actual position information of at least one opening of the mask; determining an actual offset of each opening according to actual position information of the opening and preset position information of a light-emitting region of a sub-pixel corresponding to the opening; determining whether the actual offset of the opening is less than or equal to a theoretical maximum offset of the opening; and in response to determining that the actual offset of the opening is less than or equal to the theoretical maximum offset of the opening, generating a first end command for ending a process of stretching the mask.

Abstract: An evaporating mask plate, an evaporating mask plate set and an evaporating system are provided. The evaporating mask plate includes a mask pattern plate. The evaporating mask pattern plate includes an evaporating area and a test area located around the evaporating area. The test area is provided with at least two test element groups located in different regions of the test area, and each test element group includes at least one test hole for alignment.

Abstract: A display substrate, a fine metal mask set and a manufacturing method thereof are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. Light-emitting layers of adjacent sub-pixels of two different colors in the first direction are connected with each other; light-emitting layers of the third-color sub-pixel and the second-color sub-pixel which are adjacent to each other in the second direction are connected with each other; and a spacing is disposed between the light-emitting layer of the first-color sub-pixel and the light-emitting layer of at least one of the second-color sub-pixel and the third-color sub-pixel which are adjacent to the first-color sub-pixel in the second direction.

Abstract: The present disclosure relates to a display panel, a method of manufacturing a display panel, and a mask plate. A display panel includes a plurality of first light emitting layers configured to emit a light of a first color when excited; a plurality of second light emitting layers configured to emit a light of a second color when excited; and a plurality of third light emitting layers configured to emit a light of a third color when excited, wherein the first and second light emitting layers are alternately arranged in a first direction and a second direction crossing the first direction, and the third light emitting layers are arranged between the first and second light emitting layers, and each of the first and second light emitting layers includes chamfered corners, so that the first and second light emitting layers do not overlap.

Abstract: A display substrate is provided. The display substrate includes a plurality of subpixels configured to emit light for image display; and a plurality of auxiliary subpixels that are not light emitting. The display substrate in a region of the plurality of auxiliary subpixels includes a first auxiliary electrode layer on the base substrate and including a plurality of first auxiliary cathodes respectively in the plurality of auxiliary subpixels; and a second auxiliary electrode layer including a plurality of second auxiliary cathodes respectively in the plurality of auxiliary subpixels, the second auxiliary electrode layer being on a side of the first insulating layer away from the first auxiliary electrode layer. A respective one of the plurality of first auxiliary cathodes and a respective one of the plurality of second auxiliary cathodes are electrically connected to a unitary cathode layer of the plurality of light emitting elements.

Abstract: A pixel arrangement structure is disclosed including a plurality of repeatedly arranged groups of sub-pixels. Each group of sub-pixels includes: one first sub-pixel and two second sub-pixels sequentially arranged in an i-th column, i being a natural number; two third sub-pixels and one first sub-pixel sequentially arranged in an (i+1)-th column; two second sub-pixels and one first sub-pixel sequentially arranged in an (i+2)-th column; and one first sub-pixel and two third pixels sequentially arranged in an (i+3)-th column. Also disclosed is a display panel including pixels arranged in accordance with the pixel arrangement structure, a display device including the display panel, and a set of masks for vapor-depositing an organic luminescent material in fabricating an organic luminescent display panel.

Abstract: A tensioning device, including a base configured to carry a mask plate, a clamp configured to clamp the mask plate, and a deformation adjusting assembly provided on the base or on the clamp, wherein the deformation adjusting assembly is configured to adjust a deformation of an end portion of the mask plate protruding from the base in a direction of gravity when the base carries the mask plate, so as to make the deformation less than a preset deformation threshold. A base, a clamp and a clamping for the mask plate are also provided.

Abstract: A design method of a metal mask, a manufacturing method of the metal mask and a computer-readable storage medium are provided. The design method of a metal mask includes: calculating amounts of deformations of the metal mask in two directions perpendicular to each other based on a stretching force of the metal mask in use and deformation properties of the metal mask in the two directions; and compensating the deformations of the metal mask in the two directions by compensation amounts for the deformations, which are identical and opposite to the amounts of the deformations of the metal mask in the two directions, respectively.

Abstract: A method of manufacturing a display substrate and a display substrate motherboard. The method of manufacturing the display substrate includes: providing a base substrate including a first main surface and a second main surface opposite to each other and divided into at least one active region and a dummy region located around the active region; forming a magnetic layer on at least one of the first main surface within the dummy region and the second main surface; and forming an element layer on the first main surface.

Abstract: The present application discloses an evaporation crucible including a crucible body and a plurality of nozzles connected to the crucible body. Each of the plurality of nozzles has an opening on a side distal to the crucible body. The plurality of nozzles include a first nozzle on a first edge of the plurality of nozzles. The first nozzle has a first height relative to a surface of the crucible body on a side proximal to the first edge greater than a second height relative to the surface of the crucible body on a side distal to the first edge.

Abstract: The preset disclosure provide a display panel and a manufacturing method thereof and a display device. The display panel includes a display area and a peripheral area located in a periphery of the display area; wherein a stress absorption structure is provided in the peripheral area of the display panel.

Abstract: A display substrate, a method of forming the display substrate and a display device are provided. The display substrate includes a base substrate, a functional pattern arranged at a side of the base substrate and a planarization layer arranged at a side of the functional pattern away from the base substrate. The planarization layer includes a first part and a second part, an orthographic projection of the first part to the base substrate coincides with an orthographic projection of the functional pattern to the base substrate, and an orthographic projection of the second part to the base substrate does not overlap the orthographic projection of the functional pattern to the base substrate.

Abstract: The present disclosure provides an organic light-emitting display panel, a method of manufacturing the organic light-emitting display panel, and a display apparatus. The organic light-emitting display panel includes: a substrate having an opening passing through the substrate; a pixel array disposed on the substrate and including a plurality of pixels; an isolation part disposed between the plurality of pixels and the opening and surrounding the opening, wherein the isolation part includes: a first layer disposed on the substrate, wherein the first layer includes a first portion and a second portion which are sequentially stacked in a direction away from the substrate, and an orthogonal projection of the first portion on the substrate falls within an orthogonal projection of the second portion on the substrate; and a second layer disposed on a surface of the first layer away from the substrate.

Abstract: Disclosed are a continuous heat treatment device and method for a sintered Nd—Fe—B magnet workpiece. The device comprises a first heat treatment chamber, a first cooling chamber, a second heat treatment chamber, and a second cooling chamber continuously disposed in sequence, as well as a transfer system disposed among the chambers to transfer the alloy workpiece or the metal workpiece; both the first cooling chamber and the second cooling chamber adopt a air cooling system, wherein a cooling air temperature of the first cooling chamber is 25° C. or above and differs from a heat treatment temperature of the first heat treatment chamber by at least 450° C.; a cooling air temperature of the second cooling chamber is 25° C. or above and differs from a heat treatment temperature of the second heat treatment chamber by at least 300° C. The continuous heat treatment device and method can improve the cooling rate and production efficiency and improve the properties and consistency of the products.

Abstract: The present application discloses a display panel having a display area tessellated by repetition of a first subpixel group. The display panel includes an array of a plurality of first subpixel groups. Each of the plurality of first, subpixel groups includes a first subgroup and a second subgroup sequentially along a first direction. The first subgroup includes, a first subpixel of a first color, a first subpixel of a second color, and a first subpixel of a third color, sequentially along a second direction, the second direction being different from tire first direction. The second subgroup includes a second subpixel of the third color, a second subpixel of the second color, a second subpixel of the first color, a third subpixel of the third color, a third subpixel of the second color, and a third subpixel of the first color, sequentially along the second direction.

Abstract: A flexible display panel for a display device and a display device are provided. The flexible display panel includes: a first display portion and a second display portion connected with the first display portion. A color temperature of a first white image displayed by the first display portion in a flat state is different from a color temperature of a second white image displayed by the second display portion in the flat state.

Abstract: The present disclosure relates to a method and an apparatus for determining a subpixel arrangement of an organic light emitting display panel, and a computer readable storage medium. The subpixel arrangement determining method includes: determining arrangement parameters of the first subpixel, the second subpixel, and the third subpixel, according to a side length of the virtual square, a spacing between the third subpixel and an adjacent first subpixel, a spacing between the third subpixel and an adjacent second subpixel, a ratio of aperture ratios of the first subpixel, the second subpixel and the third subpixel, and arrangement constraint conditions of the first subpixel, the second subpixel, and the third subpixel, so that the aperture ratio of the first subpixel is not less than a target aperture ratio.