Abstract: A mask includes a plurality of deposition pattern portions, each of the plurality of deposition pattern portions including rib portions disposed between the plurality of deposition pattern portions. A plurality of openings is defined in each of the plurality of deposition pattern portions, the mask has a width in a first direction and a length in a second direction which intersects the first direction, sides of each of openings which are parallel to the first direction, among the plurality of openings, have a first taper angle, and the first taper angle is about 54 degrees or less.

Abstract: 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.

Abstract: A display device includes a circuit layer disposed on a base layer, a pixel definition layer disposed on the circuit layer and provided with first, second, and third light emitting openings, and first, second, and third light emitting elements disposed on the circuit layer and including light emitting patterns disposed in the first, second, and third light emitting openings. The pixel definition layer has a first gap corresponding to a distance between the first and third light emitting openings and a second gap corresponding to a distance between the first and second light emitting openings. A difference between the first gap and the second gap is determined according to a difference in size of a shadow area of at least one of the light emitting patterns and a difference in deviation of a pixel position accuracy (PPA) of the at least one of light emitting patterns.

Abstract: A metal mask according to some embodiments of the present disclosure may include a metal thin film having a first thickness and having a first region including a transmission region defining first openings penetrating the metal thin film, and a non-transmission region including an etching portion having a second thickness that is smaller than the first thickness, and a second region adjacent the first region, and defining second openings penetrating the metal thin film, wherein an opening density of the first region is less than an opening density of the second region, the opening density of the first region being defined as a number of the first openings per an area of the first region, and the opening density of the second region being defined as a number of the second openings per an area of the second region.

Abstract: 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.

Abstract: A display device includes an electrode, a protection layer disposed on the electrode, and an encapsulation organic layer disposed on the protection layer. In a first area, an edge of the encapsulation organic layer is spaced a first distance from an edge of the electrode, and the edge of the encapsulation organic layer is spaced a second distance from an edge of the protection layer. In the second area, the edge of the encapsulation organic layer is disposed between the edge of the electrode and the edge of the protection layer. In the second area, the edge of the encapsulation organic layer is spaced a third distance, greater than the first distance, from the edge of the electrode, and the edge of the encapsulation organic layer is spaced a fourth distance, greater than the second distance, from the edge of the protection layer.

Abstract: 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.

Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.

Abstract: A display device includes an electrode, a protection layer disposed on the electrode, and an encapsulation organic layer disposed on the protection layer. In a first area, an edge of the encapsulation organic layer is spaced a first distance from an edge of the electrode, and the edge of the encapsulation organic layer is spaced a second distance from an edge of the protection layer. In the second area, the edge of the encapsulation organic layer is disposed between the edge of the electrode and the edge of the protection layer. In the second area, the edge of the encapsulation organic layer is spaced a third distance, greater than the first distance, from the edge of the electrode, and the edge of the encapsulation organic layer is spaced a fourth distance, greater than the second distance, from the edge of the protection layer.

Abstract: A stage unit includes a stage that provides a seating surface and has an opening formed through the seating surface, a first support unit disposed below the opening and coupled to the stage, a second support unit disposed below the opening and coupled to the stage, where the second support unit is spaced apart from the first support unit on a plane, and a flatness measurement unit supported by the first support unit. Each of the first support unit and the second support unit provides a support surface that crosses the seating surface, and the support surface of the first support unit and the support surface of the second support unit are movable in a direction toward and away from the opening.

Abstract: A deposition apparatus includes a deposition member providing a deposition material, a stage including a first rear surface, a first front surface opposite to the first rear surface, and a first inner side surface extended to the first rear surface and the first front surface and defining a first opening, a mask frame including a second rear surface facing the first front surface, a second front surface opposite to the second rear surface, and a second inner side surface extended to the second front surface and the second rear surface and defining a second opening, masks disposed on the second front surface and each being provided with a plurality of deposition openings defined therethrough to correspond to the second opening, and a heat dissipation plate disposed between the deposition member and the stage and covering the first rear surface, the first inner side surface, and the second side inner surface.

Abstract: A deposition apparatus includes a mask, a mask frame, a stage disposed on a rear surface of the mask frame, and first to third external force applying parts disposed on the stage. Each of the first portion and the second portion includes a support and a driving part which moves the support. The first to third external force applying parts applies external force to the mask frame to control a shape of the mask frame.

Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.

Abstract: An electronic panel, includes: a base substrate including a front surface, a rear surface opposite the front surface, and a plurality of side surfaces connecting the front surface and the rear surface to each other; a pixel definition layer on the front surface of the base substrate and having a plurality of openings defined therein; a plurality of emitting elements in the openings; and a spacer on the pixel definition layer and spaced apart from the openings, wherein a thickness of the spacer is equal to or greater than a thickness of the pixel definition layer.

Abstract: Disclosed is a deposition mask stage comprising a stage frame, chucks combined with the stage frame, and support blocks on a back side of the stage frame. The chucks are spaced apart from each other in a first direction and a second direction that are defined in an extending direction of the stage frame. The first and second directions intersect each other. The support blocks are spaced apart from each other in the first direction and the second direction on the back side of the stage frame.

Abstract: A light emitting display device includes: a plurality of pixel areas including a first pixel area and a second pixel area adjacent to the first pixel area; a first unit pixel in the first pixel area; and a second unit pixel in the second pixel area, wherein the first unit pixel and the second unit pixel include a first pixel, a second pixel, and a third pixel each configured to display different colors, facing sides of the first pixel and the third pixel have complementary curved lines in the first unit pixel, facing sides of the second pixel and the third pixel have complementary curved lines in the first unit pixel, and facing sides of the first pixel of the first unit pixel and the second pixel of the second unit pixel have complementary curved lines.

Abstract: A mask includes: a body having a length in a first direction and including: a plurality of first cell areas arranged in the first direction and respectively including a plurality of first holes; and a plurality of second cell areas respectively including a plurality of second holes; and a clamping part protruding from the body in the first direction and being integral with the body. An alignment mark is defined on the body and is offset from the first holes and the second holes, and the alignment mark overlaps the first and second cell areas when viewed in a second direction crossing the first direction.

Abstract: An electronic panel, includes: a base substrate including a front surface, a rear surface opposite the front surface, and a plurality of side surfaces connecting the front surface and the rear surface to each other; a pixel definition layer on the front surface of the base substrate and having a plurality of openings defined therein; a plurality of emitting elements in the openings; and a spacer on the pixel definition layer and spaced apart from the openings, wherein a thickness of the spacer is equal to or greater than a thickness of the pixel definition layer.

Abstract: A mask assembly and method for manufacturing of the same are provided. A mask assembly includes: a mask frame including a first mask opening and a second mask opening which are located side by side in a first direction and defined by a support bar; a first split mask overlapping the first mask opening; and a second split mask overlapping the second mask opening, and the first split mask and the second split mask are spaced apart from each other in a region overlapping the support bar.

Abstract: 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.