Abstract:
A light emitting diode pixel for a display including a first LED sub-unit, a second LED sub-unit disposed on a portion of the first LED sub-unit, a third LED sub-unit disposed on a portion of the second LED sub-unit, and a reflective electrode disposed adjacent to the first LED sub-unit, in which each of the first to third LED sub-units comprises an n-type semiconductor layer and a p-type semiconductor layer, each of the n-type semiconductor layers of the first, second, and third LED stacks is electrically connected to the reflective electrode, and the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit are configured to be independently driven.
Abstract:
The present invention relates to an insect trap for attracting insects using a UV LED and sucking and capturing the attracted insects with a fan. The insect trap of the present invention comprises: a body; a suction part provided on one side of the body; a fan installed behind the suction part; at least one UV LED, provided on the body at least around the fan, for irradiating ultraviolet rays forward; a discharge part for discharging air sucked in by the suction part in a direction different from the air suction direction of the suction part; a duct which is an air passage from the suction part to the discharge part; a first streamlined inner surface, provided on an inner wall side opposite to a direction in which the duct extends on the basis of the suction part, for guiding air sucked into the suction part toward the duct; and an insect net, installed in the discharge part, for passing the air therethrough and capturing insects being sucked in together with the air.
Abstract:
A light emitting diode pixel for a display including a first subpixel comprising a first LED sub-unit, a second subpixel comprising a second LED sub-unit, and a third subpixel comprising a third LED sub-unit, in which each of the first, second, and third LED sub-units includes a first type of semiconductor layer and a second type of semiconductor layer, and the first, second, and third LED sub-units are separated from each other in a first direction, disposed at different planes from each other, and do not overlap each other in the first direction.
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 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 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 package including a body and leads. The body comprising a mounting surface. The light emitting diode package also includes a light emitting diode chip including a substrate and a plurality of light emitting cells disposed on the substrate and positioned to be spaced apart from each other, each of the plurality of light emitting cells comprising an active layer disposed between a first conductive-type semiconductor layer and a second conductive-type semiconductor layer. The light emitting diode package also includes a phosphor member disposed on the light-emitting diode chip and a distributed Bragg reflector disposed on the substrate and between the plurality of light emitting cells.
Abstract:
Disclosed herein are a light emitting device and a method of making the same. The light emitting device includes: a substrate including a first lead and a second lead; a light emitting diode disposed over the first lead of the substrate, including a second conductive-type semiconductor layer, an active layer, and a first conductive-type semiconductor layer, and emit near ultraviolet light; and a wavelength conversion unit disposed over the light emitting diode and spaced apart from the light emitting diode, wherein the light emitting structure has semi-polar or non-polar characteristics, the wavelength conversion unit has a multi-layered structure including a first phosphor layer and a second phosphor layer, and the light emitting diode is driven at a current density which is equal to or greater than 350 mA/mm2.
Abstract:
A light-emitting diode package, including a package body and leads, the package body including a mounting surface, a light-emitting structure disposed on the mounting surface, the light-emitting structure including an active layer disposed between a first conductive-type semiconductor layer and a second conductive-type semiconductor layer, a phosphor layer disposed on the light-emitting structure, and a distributed Bragg reflector disposed between the light-emitting structure and the mounting surface. The distributed Bragg reflector includes a first distributed Bragg reflector and a second distributed Bragg reflector, and an optical thickness of material layers within the first distributed Bragg reflector is greater than an optical thickness of material layers within the second distributed Bragg reflector.