Abstract: A light emitting device for a display includes a substrate and first, second, and third LED sub-units, a first transparent electrode between the first and second LED sub-units and in ohmic contact with the first LED sub-unit, a second transparent electrode between the second and third LED sub-units and in ohmic contact with the second LED sub-unit, a third transparent electrode between the second transparent electrode and the third LED sub-unit and in ohmic contact with the third LED sub-unit, at least one current spreader connected to at least one of the first, second, and third LED sub-units, electrode pads disposed on the substrate, and through-hole vias formed through the substrate, in which at least one of the through-hole vias is formed through the substrate and the first and second LED sub-units.

Abstract: A light emitting device including a first light emitting part including a first ohmic layer, a second light emitting part and including a second ohmic layer, a third light emitting part including first and second metal patterns respectively contacting semiconductor layers thereof, a first pad electrically coupled with the first ohmic layer, a second pad electrically coupled with the second ohmic layer, a third pad electrically coupled with the first metal pattern, a common pad electrically coupled with a semiconductor layer of the first and second light emitting parts and the second metal pattern, and a via structure electrically coupling the second metal pattern and the common pad between the second metal pattern and the common pad, in which the second metal pattern has a first portion contacting the first via structure and a second portion contacting the semiconductor layer of the third light emitting part.

Abstract: A light emitting device for a display includes a pixel region including first, second, and third LED stacks, an adhesive layer disposed between the first and second LED stacks, or between the second and third LED stacks, a metal bonding layer at least partially surrounded by the adhesive layer, and disposed between and is electrically connected to the first and second LED stacks, or the second and third LED stacks, and a common electrode pad connected to the first, second, and third LED stacks, first, second, and third electrode pads connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.

Abstract: A light emitting device for a display including a plurality of pixel regions defined between at least one separation region disposed between the pixel regions, and a barrier disposed in the separation region, in which each of the pixel regions includes a first LED stack, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, and electrode pads electrically connected to the first, second, and third LED stacks, the electrode pads comprising a common electrode pad, a first electrode pad, a second electrode pad, and a third electrode pad, the common electrode pad is connected to the first, second, and third LED stacks, the first, second, and third electrode pads are connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.

Abstract: A light emitting device for a display includes a substrate and first, second, and third LED sub-units, a first transparent electrode between the first and second LED sub-units and in ohmic contact with the first LED sub-unit, a second transparent electrode between the second and third LED sub-units and in ohmic contact with the second LED sub-unit, a third transparent electrode between the second transparent electrode and the third LED sub-unit and in ohmic contact with the third LED sub-unit, at least one current spreader connected to at least one of the first, second, and third LED sub-units, electrode pads disposed on the substrate, and through-hole vias formed through the substrate, in which at least one of the through-hole vias is formed through the substrate and the first and second LED sub-units.

Abstract: A light emitting diode pixel for a display includes a first subpixel, a second subpixel, and a third subpixel, each of the first, second, and third subpixels including a first LED sub-unit including a first type of semiconductor layer and a second type of semiconductor layer, a second LED sub-unit disposed on the first LED sub-unit and including a first type of semiconductor layer and a second type of semiconductor layer, and a third LED sub-unit disposed on the second LED sub-unit and including a first type of semiconductor layer and a second type of semiconductor layer, in which the second and third LED sub-units of the first subpixel are electrically floated, the first and third LED sub-units of the second subpixel are electrically floated, and the first and second LED sub-units of the third subpixel are electrically floated.

Abstract: A light emitting device for a display including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed under the first LED sub-unit, each of the electrode pads being electrically connected to at least one of the first, second, and third LED sub-units, and lead electrodes electrically connected to the electrode pads and extending outwardly from the first LED sub-unit.

Abstract: A light emitting stacked structure including a plurality of epitaxial sub-units disposed one over another, each of the epitaxial sub-units configured to emit different colored light, in which each epitaxial sub-unit has a light emitting area that overlaps one another, and at least one epitaxial sub-unit has an area different from the area of another epitaxial sub-unit.

Abstract: A light emitting device for a display includes first LED sub-unit, second LED, and third LED sub-units, an insulating layer substantially covering the first, second, and third LED sub-units, and electrode pads electrically connected to the first, second, and third LED sub-units, in which the first LED sub-unit is disposed on a partial region of the second LED sub-unit, the second LED sub-unit is disposed on a partial region of the third LED sub-unit, the insulating layer has openings for electrical connection between the electrode pads, a common electrode pad is connected to the first, second, and third LED sub-units through the openings in the insulating layer, first, second, and third electrode pads are connected to the first, second, and third LED sub-units, respectively, through at least one of the openings, and the first, second, and third LED sub-units are configured to be independently driven using the electrode pads.

Abstract: A light emitting stacked structure including a plurality of epitaxial sub-units disposed one over another, each epitaxial sub-unit configured to emit colored light having different wavelength band from each other, and a common electrode disposed between and connected to adjacent epitaxial sub-units, in which light emitting regions of the epitaxial sub-units overlap each other.

Abstract: A light emitting device including first, second, and third LED sub-units, and electrode pads disposed on the first LED sub-unit, electrically connected to the LED sub-units, and including a common electrode pad electrically connected to each of the LED sub-units, and first, second, and third electrode pads connected to a respective one of the LED sub-units, in which the common electrode pad, the second electrode pad, and the third electrode pad are electrically connected to the second LED sub-unit and the third LED sub-unit through holes that pass through the first LED sub-unit, the first, second, and third LED sub-units are configured to be independently driven, light generated in the first LED sub-unit emitted to the outside through the second and third LED sub-units, and light generated in the second LED sub-unit is emitted to the outside through the third LED sub-unit.

Abstract: A light emitting device for a display including a first substrate, a first LED sub-unit disposed on the first substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a second substrate disposed on the third LED sub-unit, a first electrode pad, a second electrode pad, a third electrode pad, and a fourth electrode pad disposed on the second substrate, and through-hole vias electrically connecting the second, third, and fourth electrode pads to the first, second, and third LED sub-units, respectively, in which the first electrode pad is electrically connected to the first LED sub-unit without overlapping any through-hole vias.

Abstract: A light emitting chip includes a light emitting structure including a first light emitting sub-unit, a second light emitting sub-unit, and a third light emitting sub-unit vertically stacked on each other, and a first passivation layer covering at least part of the light emitting structure, in which the first passivation layer has a bottom surface that exposes the light emitting structure to permit light from the first, second, and third sub-units to be emitted from the light emitting chip.

Abstract: A light emitting diode (LED) stack for a display includes a first LED sub-unit having a first surface and a second surface, a second LED sub-unit disposed on the first surface of the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a reflective electrode disposed on the second side of the second LED sub-unit and forming ohmic contact with the first LED sub-unit, and an ohmic electrode interposed between the first LED sub-unit and the second LED sub-unit and forming ohmic contact with the first LED sub-unit, in which the second LED sub-unit and the third LED sub-unit are configured to transmit light generated from the first LED sub-unit, and the third LED sub-unit is configured to transmit light generated from the second LED sub-unit.

Abstract: A light emitting diode stack for a display includes a support substrate, a first LED stack, a second LED stack, and a third LED stack, a conductive growth substrate coupled to the second LED stack or the third LED stack, a first color filter interposed between the first and second LED stacks and transmitting light generated from the first LED stack while reflecting light generated from the second LED stack, and a second color filter interposed between the second and third LED stacks and transmitting light generated from the first and second LED stacks while reflecting light generated from the third LED stack, in which light generated from the first LED stack is emitted outside through the second LED stack, the third LED stack, and the conductive growth substrate, and light generated from the second LED stack is emitted outside through the third LED stack and the conductive growth substrate.

Abstract: Disclosed herein is a pattern safety device for preventing interference between patterns. In detail, a separately partitioned space is defined in an adhesion portion, which is formed on a plurality of patterns on the surface of a substrate so that a circuit element is placed on the adhesion portion, thus preventing interference between the patterns.

Abstract: Disclosed is a method of coating a conductive substrate with an adhesive, wherein the amounts and positions of conductive and non-conductive adhesives for bonding a plurality of circuit elements to the conductive substrate are set, thus preventing the spread of the adhesive from causing defects, including a poor aesthetic appearance, low electrical conductivity, and short circuits.

Abstract: A durable flexible circuit board for a transparent display board is connected between a driver board provided with at least one of a power supply and a controller and a transparent plate provided with a plurality of light emitting elements. The flexible circuit board includes an electrode bonding portion provided with a plurality of signal connection terminals for transferring control signals, at least one power connection terminal for transferring electric power, and at least one dummy terminal disposed outside the signal connection terminal or the power connection terminal disposed at the outermost side. The dummy terminal resists vibration and pressure applied to the signal connection terminal or the power connection terminal disposed at the outermost side. The signal connection terminal and the power connection terminal are integrated in the flexible circuit board.

Abstract: A durable flexible circuit board for a transparent display board is connected between a driver board provided with at least one of a power supply and a controller and a transparent plate provided with a plurality of light emitting elements. The flexible circuit board includes an electrode bonding portion provided with a plurality of signal connection terminals for transferring control signals, at least one power connection terminal for transferring electric power, and at least one dummy terminal disposed outside the signal connection terminal or the power connection terminal disposed at the outermost side. The dummy terminal resists vibration and pressure applied to the signal connection terminal or the power connection terminal disposed at the outermost side. The signal connection terminal and the power connection terminal are integrated in the flexible circuit board.

Abstract: Manufactured capillary tubes can include: a tubular member; and a coating applied partially covering the tubular member, the coating defining a window where the tubular member is free of the coating. Kits containing and methods related to the capillary tubes can be used for the cryopreservation of cells.