Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.

Abstract: A camera module includes a housing, a movable body configured to move in a direction of an optical axis of the housing; a reinforcing member formed integrally on one surface of the movable body, and configured to increase a rigidity of the movable body; and a first buffer member formed in the reinforcing member, and configured to reduce an impactive force between the housing and the movable body.

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.

Abstract: A display device includes a first electrode extending in a first direction; a second electrode extending in the first direction and spaced apart from, in a second direction, the first electrode; a light-emitting element having a shape extending in a direction and between the first and second electrodes such that the direction is parallel to the second direction; a first contact electrode having a shape extending in a third direction and having at least a portion on the first electrode; and a second contact electrode having a shape extending in the third direction, spaced apart from, in a fourth direction, the first contact electrode, and having at least a portion on the second electrode, the first contact electrode electrically contacts a side of the light-emitting element, and the second contact electrode electrically contacts another side of the light-emitting element.

Abstract: An inkjet printing apparatus comprises an inkjet head disposed above a stage and including nozzles through which ink including bipolar elements is discharged, the bipolar elements each having regions partially doped with different polarities. At least part of the nozzles is deflected from a direction in case that the nozzles are in a deflected state.

Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.

Abstract: An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.

Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.

Abstract: A display device includes a substrate including a plurality of pixel areas; and a pixel provided in each of the pixel areas. The pixel may include a first electrode and a second electrode extending in a first direction on the substrate and spaced from each other in a second direction different from the first direction; a bank pattern between the substrate and the first electrode and between the substrate and the second electrode, and including at least two sub-bank patterns in a same column and spaced from each other; and a plurality of light emitting elements between the first and second electrodes. Here, each of the first and second electrodes may have at least two or more widths in the second direction along the first direction.

Abstract: An inkjet printing device includes an ink reservoir that stores ink containing particles, an inkjet head part that receives the ink from the ink reservoir and ejects the ink onto a target substrate and a driver for rotating the ink reservoir.

Abstract: An inkjet printing apparatus includes: a print head device including an inkjet head to spray a composition for ink including a plurality of bipolar elements; an ink circulation device including an ink storage to store the composition for ink, and transfer the composition for ink to the print head device; an ink injection device to inject the composition for ink into the ink storage; and a temperature adjusting device to adjust a temperature of the composition for ink. The temperature adjusting device includes: a first temperature adjusting device to adjust a temperature to be included in a first reference temperature range; a second temperature adjusting device to adjust a temperature to be included in a second reference temperature range; and a third temperature adjusting device to adjust a temperature to be included in a third reference temperature range.

Abstract: An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

Abstract: A display device may include including a first insulating reflective layer including a distributed Bragg reflector above a substrate, a first electrode and a second electrode above the first insulating reflective layer, a second insulating reflective layer including a distributed Bragg reflector above the first electrode and the second electrode, and a light emitting element above the second insulating reflective layer.

Abstract: A display device includes: a pixel region including a plurality of alignment areas and a non-alignment area adjacent to the plurality of alignment areas; a plurality of electrodes extending in a direction and be spaced apart from each other in the pixel region; a plurality of light-emitting elements disposed between the plurality of electrodes in the plurality of alignment areas and including at least one end of the plurality of light-emitting elements disposed on one of the plurality of electrodes; and an alignment-inducing layer including a first part disposed in the non-alignment area.

Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.

Abstract: Provided are a light-emitting element ink and a method for manufacturing a display apparatus. The light-emitting element ink comprises: a light-emitting element solvent; and a plurality of light-emitting elements dispersed in the light-emitting element solvent and each comprising a plurality of semiconductor layers and an insulation film partially surrounding the outer surfaces of the semiconductor layers, wherein the light-emitting element solvent includes a fatty acid ester-based compound having a melting point in the range of 0° C. to 15° C.

Abstract: According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.