Disclosed are methods and systems of controlling the placement of micro-objects on the surface of a micro-assembler. Control patterns may be used to cause phototransistors or electrodes of the micro-assembler to generate dielectrophoretic (DEP) and electrophoretic (EP) forces which may be used to manipulate, move, position, or orient one or more micro-objects on the surface of the micro-assembler. A set of micro-object may be analyzed. Geometric properties of the set of micro-objects may be identified. The set of micro-objects may be divided into multiple sub-sets of micro-objects based on the one or more geometric properties and one or more control patterns.

A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.

The present disclosure relates to a full-color light-emitting diode (LED) display, and more particularly, to a full-color LED display using an ultra-thin LED element and a manufacturing method thereof.

A display device includes a substrate including a plurality of pixels, a circuit conductive layer on the substrate, a barrier metal layer on the circuit conductive layer, a first electrode and a second electrode on the barrier metal layer and spaced apart from each other, and a light emitting element between the first electrode and the second electrode, and the barrier metal layer is electrically separated from the circuit conductive layer.

Disclosed are methods and systems of controlling the placement of micro-objects on the surface of a micro-assembler. Control patterns may be used to cause phototransistors or electrodes of the micro-assembler to generate dielectrophoretic (DEP) and electrophoretic (EP) forces which may be used to manipulate, move, position, or orient one or more micro-objects on the surface of the micro-assembler. A set of micro-object may be analyzed. Geometric properties of the set of micro-objects may be identified. The set of micro-objects may be divided into multiple sub-sets of micro-objects based on the one or more geometric properties and one or more control patterns.

A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.

Discussed is a display device including: a substrate; a power wiring and a ground wiring disposed on the substrate and spaced apart from each other; a driving thin film transistor (TFT) disposed on the substrate and having a source terminal electrically connected to the ground wiring; at least one insulating. layer disposed on the substrate; and a pair of assembly electrodes spaced apart from each other between the at least one insulating layer and the substrate, wherein the pair of assembly electrodes is configured to generate an electric field as a voltage is applied to any one of the pair of assembly electrodes.

Disclosed are methods and systems of controlling the placement of micro-objects on the surface of a micro-assembler. Control patterns may be used to cause electrodes of the micro-assembler to generate dielectrophoretic (DEP) and electrophoretic (EP) forces which may be used to manipulate, move, position, or orient one or more micro-objects on the surface of the micro-assembler. The control patterns may be part of a library of control patterns.

A display device and a method of making the display device are discussed. The display device includes a substrate, a plurality of partition walls disposed on the substrate, a plurality of semiconductor light emitting elements disposed on the substrate and disposed between the plurality of partition walls, and a passivation layer covering at least parts of the plurality of semiconductor light emitting elements and at least parts of the plurality of partition walls, wherein the passivation layer extends from side surfaces of the plurality of partition walls in a direction toward the plurality of semiconductor light emitting elements, so as to cover at least parts of the side surfaces of the plurality of partition walls and at least the parts of the plurality of semiconductor light emitting elements.

Disclosed herein are implementations of a particles-transferring system, particle transferring unit, and method of transferring particles in a pattern. In one implementation, a particles-transferring system includes a first substrate including a first surface to support particles in a pattern, particle transferring unit including an outer surface to be offset from the first surface by a first gap, and second substrate including a second surface to be offset from the outer surface by a second gap. The particle transferring unit removes the particles from the first surface in response to the particles being within the first gap, secures the particles in the pattern to the outer surface, and transports the particles in the pattern. The second substrate removes the particles in the pattern from the particle transferring unit in response to the particles being within the second gap. The particles are to be secured in the pattern to the second surface.