Abstract: A display device includes: a substrate; a first electrode on the substrate; a light emitting layer on the first electrode; a pixel defining layer on the light emitting layer; and a second electrode on the light emitting layer. First and second opposite sides of the light emitting layer are located on the pixel defining layer, and have straight line shapes that are inclined at an angle with respect to an upper surface of the pixel defining layer.

Abstract: A display device includes a substrate having a light emitting area and a non-light emitting area; a first anode electrode on the light emitting area of the substrate; a pixel defining layer on the non-light emitting area of the substrate and defining a first opening; an organic separator layer on the pixel defining layer and defining a second opening; a first light emitting layer on the first anode electrode; a common electron layer on the first light emitting layer and the organic separator layer; and a common electrode on the common electron layer, wherein the organic separator layer does not overlap the light emitting area, and overlaps the non-light emitting area to be in contact with the pixel defining layer, the first light emitting layer, and the common electron layer.

Abstract: A display device includes an anode electrode on the emission area of the substrate, a pixel-defining layer on the non-emission area of the substrate and including a first opening, a first bank layer on the pixel-defining layer, including a second opening, and including a conductive material, a second bank layer on the first bank layer and including a tip that protrudes over a side surface of the first bank layer toward the first opening, a cathode electrode on the anode electrode and contacting the side surface of the first bank layer, and an electrode pattern on the second bank layer and including a same material as the first cathode electrode. The cathode electrode and the electrode pattern are spaced apart from each other, and the electrode pattern covers a surface of the second bank layer facing the first opening in line with the protruding tip.

Abstract: A display device includes: a light emitting element on a base layer and including a first electrode, a second electrode, and a light emitting part electrically connected between the first electrode and the second electrode; a pixel defining layer on the base layer; a barrier layer on the pixel defining layer; and an electrode on the barrier layer, wherein the first electrode includes a (1_1)-th electrode and a (1_2)-th electrode, the pixel defining layer is between the (1_1)-th electrode and the (1_2)-th electrode, the light emitting part includes a first light emitting part electrically connected to the (1_1)-th electrode and a second light emitting part electrically connected to the (1_2)-th electrode, and the electrode and the barrier layer are between the first light emitting part and the second light emitting part in a plan view.

Abstract: A deposition mask including a resin film including first holes, a non-resin layer disposed on the resin film and including second holes corresponding to the first holes, and a protective layer disposed on the non-resin layer and including third holes corresponding to the first holes, wherein the protective layer includes a first portion disposed on a top surface of the non-resin layer, and a second portion covering a side surface of the second holes of the non-resin layer.

Abstract: A mask includes a body frame defining at least one opening arranged on a plane, at least one sub-mask overlapping the opening, and defining holes through which a deposition material is able to pass, and an aligner between the sub-mask and the body frame, and configured to move the sub-mask within the opening in response to applied voltages.

Abstract: A deposition mask including a resin film including first holes, a non-resin layer disposed on the resin film and including second holes corresponding to the first holes, and a protective layer disposed on the non-resin layer and including third holes corresponding to the first holes, wherein the protective layer includes a first portion disposed on a top surface of the non-resin layer, and a second portion covering a side surface of the second holes of the non-resin layer.

Abstract: A deposition mask for making a display device, the deposition mask includes: a frame including a first opening; a first member disposed above the first opening of the frame and including a first portion surrounding at least one second opening and a second portion disposed in the second opening and physically separated from the first portion; and a second member disposed on the first member and including a first connecting portion connected to the frame and a second mesh portion overlapping the second portion.

Abstract: A deposition mask for making a display device, the deposition mask includes: a frame including a first opening; a first member disposed above the first opening of the frame and including a first portion surrounding at least one second opening and a second portion disposed in the second opening and physically separated from the first portion; and a second member disposed on the first member and including a first connecting portion connected to the frame and a second mesh portion overlapping the second portion.

Abstract: A deposition mask for making a display device, the deposition mask includes: a frame including a first opening; a first member disposed above the first opening of the frame and including a first portion surrounding at least one second opening and a second portion disposed in the second opening and physically separated from the first portion; and a second member disposed on the first member and including a first connecting portion connected to the frame and a second mesh portion overlapping the second portion.

Abstract: A deposition mask including a resin film including first holes, a non-resin layer disposed on the resin film and including second holes corresponding to the first holes, and a protective layer disposed on the non-resin layer and including third holes corresponding to the first holes, wherein the protective layer includes a first portion disposed on a top surface of the non-resin layer, and a second portion covering a side surface of the second holes of the non-resin layer.

Abstract: A method of manufacturing a deposition mask includes preparing a mask-target substrate which has one surface on which a sacrificed layer pattern is formed and comprises a cover area covered by the sacrificed layer pattern and a plurality of exposed areas exposed by the sacrificed layer pattern; forming holes in the exposed areas of the mask-target substrate by emitting laser toward the mask-target substrate; and removing the sacrificed layer pattern, wherein the sacrificed layer pattern has a higher reflectance with respect to the laser than a reflectance of the mask-target substrate.

Abstract: A method of manufacturing a deposition mask includes preparing a mask-target substrate which has one surface on which a sacrificed layer pattern is formed and comprises a cover area covered by the sacrificed layer pattern and a plurality of exposed areas exposed by the sacrificed layer pattern; forming holes in the exposed areas of the mask-target substrate by emitting laser toward the mask-target substrate; and removing the sacrificed layer pattern, wherein the sacrificed layer pattern has a higher reflectance with respect to the laser than a reflectance of the mask-target substrate.

Abstract: Provided are an exposure apparatus including a light source unit which provides light for exposure and comprises micro light emitting diodes arranged in a matrix form; a substrate transfer unit which transfers a target substrate; and a control unit which controls at least one of the light source unit and the substrate transfer unit. The control unit allocates coordinates or an address to each micro light emitting diode and individually controls an amount of light of each micro light emitting diode according to a preset pattern based on the coordinates or the address.

Abstract: A deposition mask for making a display device, the deposition mask includes: a frame including a first opening; a first member disposed above the first opening of the frame and including a first portion surrounding at least one second opening and a second portion disposed in the second opening and physically separated from the first portion; and a second member disposed on the first member and including a first connecting portion connected to the frame and a second mesh portion overlapping the second portion.

Abstract: A method of manufacturing a deposition mask includes preparing a mask-target substrate which has one surface on which a sacrificed layer pattern is formed and comprises a cover area covered by the sacrificed layer pattern and a plurality of exposed areas exposed by the sacrificed layer pattern; forming holes in the exposed areas of the mask-target substrate by emitting laser toward the mask-target substrate; and removing the sacrificed layer pattern, wherein the sacrificed layer pattern has a higher reflectance with respect to the laser than a reflectance of the mask-target substrate.

Abstract: A thermal treatment method for a display apparatus includes providing an acceptor substrate on a substrate stage, providing on the acceptor substrate a pattern mask including a transfer layer, irradiating a flash light beam onto the pattern mask from a plurality of flash lamps, and transferring the transfer layer to the acceptor substrate. The plurality of flash lamps are symmetrically provided with respect to the acceptor substrate and are configured to irradiate flash light beams.

Abstract: A thermal treatment method for a display apparatus includes providing an acceptor substrate on a substrate stage, providing on the acceptor substrate a pattern mask including a transfer layer, irradiating a flash light beam onto the pattern mask from a plurality of flash lamps, and transferring the transfer layer to the acceptor substrate. The plurality of flash lamps are symmetrically provided with respect to the acceptor substrate and are configured to irradiate flash light beams.

Abstract: Provided is a method for manufacturing a metal oxide hollow nanoparticles with excellent properties more easily and simply by a chemical vapor condensation employing metal ?-diketonates as precursors, and a metal oxide hollow nanoparticles manufactured by the method. The method includes: preparing metal ?-diketonate as a precursor; evaporating the metal ?-diketonate at a predetermined temperature higher than a melting point of the metal ?-diketonate; transferring the evaporated metal ?-diketonate into a reaction region; thermally decomposing the transferred gaseous metal ?-diketonate and simultaneously inducing a reaction of the transferred gaseous metal ?-diketonate with oxygen to synthesize the metal oxide hollow nanoparticle; and condensing and collecting the synthesized metal oxide hollow nanoparticles.