Abstract: There is provided a showerhead including: a first head having at least one gas conduit provided therein to allow a first reaction gas to be supplied into a reaction chamber; a second head having a hole of a predetermined size formed to have the gas conduit extending therethrough; and a gas flow path formed between the gas conduit extending through the hole and the hole to allow a second reaction gas to be supplied into the reaction chamber.

Abstract: Disclosed are a method of manufacturing dysprosium oxide nanoparticles and a method of manufacturing a dysprosium oxide nanosol, which can prepare dysprosium oxide particles having a size of tens of nanometers with high yield by using a simple, low-cost process. The method of manufacturing dysprosium oxide nanoparticles includes preparing a dysprosium salt solution by dissolving a dysprosium salt in a solvent; impregnating an organic polymer comprising a nanosized pore with the dysprosium salt solution; and heating the organic polymer impregnated with the dysprosium salt solution until the organic polymer is fired.

Abstract: An FPCB and a method of manufacturing the same, in which an electrical signal-conductive portion of the FPCB is subjected to little stress so as not to be broken by fatigue in spite of repeated bending of the FPCB, thereby increasing the lifetime of the FPCB.

Abstract: A laminated lens package and a method of fabricating the same are disclosed. The laminated lens package includes a first lens layer including a first lens element formed at one surface thereof through a first mold; a second lens layer including a second lens element formed at one surface thereof through a second mold, corresponding to a location of the first lens element; and a polymer layer provided between the first lens layer and the second lens layer. Accordingly, desired refraction can be implemented by controlling a refractive index. Also, since no spacers are used, defects caused by adhesion of an adhesive agent do not occur. Thus, a fabrication process is simplified, so that productivity can be improved and a fabrication cost can be reduced.

Abstract: The present invention discloses a cable-driven manipulator comprising an operating unit having a drive motor, and a pulley rotated by the drive motor. An upper arm is coupled, through a joint, to one side of the operating unit. A forearm coupled, through a joint, to the other side of the upper arm by the cable. A gripper of an end effector operably coupled to the forearm, a cable compensation device is installed between the upper arm and the forearm so as to maintain constant the length of the cable that transmits the power of the operating unit to the end effector during the pivoting of the forearm. It is thus possible to prevent the variation of tensile force due to the variation of the length of the cable for operating the end effector during the pivoting of the forearm or the unintended malfunction of the end effector.

Abstract: There is provided a solar cell including: a substrate; and an energy absorption structure formed on the substrate, the energy absorption structure including a metal layer, a semiconductor layer and an insulator formed therebetween, wherein at least one of the metal layer, the semiconductor layer and the insulator is formed of a plurality of nanowire structures. The solar cell has the energy absorption structure formed of a nanowire MIS junction structure to ensure high photoelectric conversion efficiency. Further, the solar cell does not require an epitaxial growth, thereby free from drawbacks of an epitaxial layer such as crystal defects.

Abstract: Disclosed are a method of manufacturing magnesium oxide nanoparticles and a method of manufacturing a magnesium oxide nanosol, which can prepare magnesium oxide particles having a size of tens of nanometers with high yield by using a simple, low-cost process. The methods of manufacturing magnesium oxide nanoparticles and manufacturing magnesium oxide nanosol include preparing a magnesium salt solution by dissolving a magnesium salt in a solvent; impregnating an organic polymer comprising a nanosized pore with the magnesium salt solution; and heating the organic polymer impregnated with the magnesium salt solution until the organic polymer is fired.

Abstract: A substrate panel is disclosed. The substrate panel may include a clamp contact, a bus line formed at a distance from the clamp contact, and a plurality of substrate units supplied with an electric current by way of the bus line, where an insulation part may be formed between the clamp contact and the bus line, through which electricity may not flow.

Abstract: A substrate panel is disclosed. The substrate panel may include a pair of clamp contacts, a plurality of bus lines located between the pair of clamp contacts, and a plurality of substrate units supplied with an electric current by way of the plurality of bus lines, where the bus lines closer to the proximal clamp contact are arranged with larger intervals.

Abstract: There is provided a solar cell including: a substrate; an energy absorption layer formed on the substrate and having a plurality of nanowire structures, each of the nanowire structures including an n-type semiconductor and a p-type semiconductor joined together; and n-type and p-type electrodes electrically connected to the n-type and p-type semiconductors, respectively. The solar cell exhibits high photoelectric efficiency due to pn junction of the nanowire structures. Further, the solar cell can absorb light falling within a substantially whole range of solar spectrum and does not require an epitaxial growth process, thereby overcoming drawbacks of an epitaxial layer such as crystal defect.

Abstract: Disclosed is a method of manufacturing vanadium oxide nanoparticles, which can prepare vanadium oxide particles having a size of tens of nanometers with high yield by using a simple, low-cost process. The method of manufacturing vanadium oxide nanoparticles includes preparing a solution containing a vanadium salt; impregnating an organic polymer including a nanosized pore with the prepared solution; and heating the organic polymer impregnated with the vanadium salt solution until the organic polymer is fired.

Abstract: An optical coupler including: a substrate; a cladding layer formed on the substrate; and a slab waveguide formed on the cladding layer, wherein the slab waveguide comprises a first waveguide area on which a laser beam is incident and a second waveguide area having an incident surface capable of converging and outputting the laser beam passing through the first waveguide in a width direction. The optical coupler may optically couple one of an optical fiber and a laser diode with the slab waveguide, and more particularly, and a photonic crystal waveguide, with high efficiency.

Abstract: A photonic crystal light emitting device including: a light emitting diode (LED) light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first and second conductive semiconductor layers; and a first photon-recycling light emitting layer formed on one surface of the first conductive semiconductor layer, opposite to the active layer, wherein the first photon-recycling light emitting layer absorbs a primary light emitted from the LED light emitting structure and emits a light having a different wavelength from that of the primary light, and a photonic crystal structure is formed on an entire thickness of the first photon-recycling light emitting layer.

Abstract: There is provided a light emitting device that can reduce the size of a light emitting device module by using a more simplified light emitting device that directly uses an alternating current source, prevent a decrease in luminous efficiency that is caused due to the use of a separate driving device, solve a problem with an ohmic contact of a p-type electrode, reduce the number of electrodes, and secure a larger area of light emission.

Abstract: An LED package comprises a frame having a concave portion formed in the center thereof; one or more LED chips mounted on the bottom surface of the concave portion; and a lens filled in the concave portion, the lens having an upper surface formed of continuous prismatic irregularities forming concentric circles.

Abstract: There are provided a semiconductor light emitting device using a phosphor film formed on a nanowire structure and a method of manufacturing the device, the device including: a substrate; a light emitting structure comprising a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer sequentially formed on the substrate; a plurality of nanowire structures formed on the light emitting structure and formed of a transparent material; and a phosphor film formed on at least an upper surface and a side surface of each of the plurality of nanowire structures.

Abstract: There is provided a light emitting device of a simpler structure, capable of ensuring a broad light emitting area and a high light emitting efficiency, while manufactured in a simplified and economically efficient process. The light emitting device including: a semiconductor layer; an active layer formed on the semiconductor layer, the active layer comprising at least one of a quantum well structure, a quantum dot and a quantum line; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer.

Abstract: Provided is a light emitting transistor comprising a first conductivity-type collector layer formed on a substrate; a second conductivity-type base layer formed on the collector layer; and a first conductivity-type emitter layer formed on the base layer. At least one of the collector layer, the base layer, and the emitter layer has a nanorod structure with a plurality of nanorods.

Abstract: A method and apparatus for browsing a plurality of broadcast programs are provided. The method includes classifying a plurality of broadcast programs into one or more broadcast program groups with reference to electronic program guide (EPG) information or viewing records of a user regarding the broadcast programs, one-dimensionally arranging the broadcast programs so that the broadcast program groups are one-dimensionally arranged, displaying the broadcast programs and the broadcast program groups on a screen as a graphic image, and allowing the user to change a rule used for forming the broadcast program groups. Accordingly, it is possible to enable a user to effectively browse broadcast programs and to provide the user with a user interface customized for the user by using a simple one-dimensional input method and intuitively utilizing EPG information.

Abstract: A light emitting transistor comprises a first conductivity-type collector layer formed on a substrate; a second conductivity-type base layer formed on a predetermine region of the collector layer; a collector electrode formed on the collector layer where the base layer is not formed; a first conductivity-type emitter layer formed on a predetermine region of the base layer; a base electrode formed on the base layer where the emitter layer is not formed; an emitter electrode formed on the emitter layer; a first activation layer formed between the collector layer and the base layer; and a second activation layer formed between the base layer and the emitter layer.