A mask assembly includes: a mask frame; a mask supported by the mask frame, the mask including a plurality of pattern holes; and a magnetic part disposed on one surface of the mask. The magnetic part provides a magnetic force between the mask and a target substrate and improves an adhesion between the mask and the target substrate to prevent deposition defects.

One or more embodiments include a display apparatus including an opening, an apparatus for manufacturing the display apparatus, and a method of manufacturing the display apparatus capable of reducing generation of gas or foreign matter.

A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.

A display device, a mask assembly, and an apparatus for manufacturing the display device are provided. The display device may reduce glare and includes sub-pixels having accurate and precise patterns. The display device including a first sub-pixel having a quadrangular shape, a second sub-pixel facing a first side of the first sub-pixel, the second sub-pixel having a quadrangular shape, and a third sub-pixel facing the first side of the first sub-pixel and spaced apart from the second sub-pixel, the third sub-pixel having a quadrangular shape, where a distance from the first side of the first sub-pixel to the second sub-pixel and a distance from the first side of the first sub-pixel to the third sub-pixel are different from each other.

Proposed are a mask-integrated frame and a method of manufacturing the same. The mask-integrated frame used to deposit organic light-emitting diode (OLED) pixels on a semiconductor wafer includes a frame including an opening, a grid sheet connected onto the frame, having a circular edge, and including grids provided on at least the opening of the frame, and a mask connected onto the grid sheet, having a circular shape, and including mask patterns.

Embodiments of the disclosed subject matter provide a system having at least one carrier gas source, at least one heated container that includes organic material, and a jet array print head that includes a plurality of apertures to print lines on a substrate, and that is connected to a vacuum source. The system includes a pair of gas bearing plates, with a top gas bearing plate and a bottom gas bearing plate, each having a plurality of pressure apertures and vacuum apertures. The top gas bearing plate applies a uniform force to a top surface of the substrate, and the bottom gas bearing plate applies a uniform force to a bottom surface of the substrate. The top gas bearing plate includes a slot configured for the print head to fit within. The vacuum apertures are arranged perpendicular to a direction of travel of the substrate.

Embodiments of the disclosed subject matter provide a system having at least one carrier gas source, at least one heated container that includes organic material, and a jet array print head that includes a plurality of apertures to print lines on a substrate, and that is connected to a vacuum source. The system includes a pair of gas bearing plates, with a top gas bearing plate and a bottom gas bearing plate, each having a plurality of pressure apertures and vacuum apertures. The top gas bearing plate applies a uniform force to a top surface of the substrate, and the bottom gas bearing plate applies a uniform force to a bottom surface of the substrate. The top gas bearing plate includes a slot configured for the print head to fit within. The vacuum apertures are arranged perpendicular to a direction of travel of the substrate.

A deposition apparatus includes a chamber, a mask assembly disposed in the chamber and including an open sheet including a first area in which a first deposition hole is defined and a second area in which a second deposition hole spaced apart from the first deposition hole is defined, a first mask including multiple deposition openings that overlap the first area, and a second mask including multiple deposition openings that overlap the second area, a deposition substrate disposed on the mask assembly, and a deposition source spraying a deposition material to the mask assembly.

A mask and a method of manufacturing the same are disclosed. The method of manufacturing a mask includes forming a conductive layer on a pattern region and an auxiliary region around the pattern region of a substrate, placing the substrate including the conductive layer in a plating bath, forming a plating layer on the conductive layer, and separating the substrate and the conductive layer from the plating layer.

The current invention describes a method of manufacturing a porous dielectric material, the method comprising (a) providing a porous template, (b) coating the porous template with an inorganic dielectric material or a precursor of an inorganic dielectric material to form a coated porous template, (c) treating the coated porous template to remove the porous template and to form a porous structure of dielectric material from the coating of inorganic dielectric material or precursor of an inorganic dielectric material, and (d) combining the formed porous structure of dielectric material with a coating polymer to form the porous dielectric material. The invention also relates to RF components on a substrate material, with a conductive material deposited on a porous dielectric material.