Abstract: A messenger application for a second account related to at least one account in an instant messaging service receives, from a server, a list of at least one first account for which a video is registered and recommends a first account using a list view that shows the list of the at least one first account distinguished from a list of the at least one account.

Abstract: A messenger application for a second account related to at least one account in an instant messaging service receives, from a server, a list of at least one first account for which a video is registered and recommends a first account using a list view that shows the list of the at least one first account distinguished from a list of the at least one account.

Abstract: A speaker includes a speaker apparatus configured to generate sound and provided with a coned shaped vibration portion; and a lighting apparatus inserted through the vibration portion and disposed at a center of the vibration portion to emit light to the vibration portion. The lighting apparatus includes: a lighting module having a light emitting device; and a light diffusion portion configured to surround the lighting module in order to diffuse light generated from the light module toward the vibration portion.

Abstract: A speaker includes a speaker apparatus configured to generate sound and provided with a coned shaped vibration portion; and a lighting apparatus inserted through the vibration portion and disposed at a center of the vibration portion to emit light to the vibration portion. The lighting apparatus includes: a lighting module having a light emitting device; and a light diffusion portion configured to surround the lighting module in order to diffuse light generated from the light module toward the vibration portion.

Abstract: A speaker including a speaker apparatus and a lighting apparatus are provided. The speaker having a conical vibration portion, and a lighting apparatus insertedly disposed at a center of the conical vibration portion to emit light to the conical vibration portion, so that efficient lighting is ensured and light is adjusted depending on the acoustic signal, thereby maximizing the visual sound effect.

Abstract: A speaker including a speaker apparatus and a lighting apparatus are provided. The speaker having a conical vibration portion, and a lighting apparatus insertedly disposed at a center of the conical vibration portion to emit light to the conical vibration portion, so that efficient lighting is ensured and light is adjusted depending on the acoustic signal, thereby maximizing the visual sound effect.

Abstract: The present invention relates to novel platensimycin derivatives, their intermediates and preparing methods of the same. Platensimycin is known as an effective antibiotic material having a broad antimicrobial spectrum and its derivatives are also expected to be effective antibiotic candidates. The present invention also relates to a novel preparing method of platensimycin. The intermediates used for the production of platensimycin and its derivatives of the present invention are tricyclo ketone derivatives and tetracyclo derivatives. Tetracyclo derivatives are prepared from tricyclo ketone derivatives prepared by carbonyl ylide [3+2] cycloaddition of dia-zoketone derivative.

Abstract: The present invention relates to novel platensimycin derivatives, their intermediates and preparing methods of the same. Platensimycin is known as an effective antibiotic material having a broad antimicrobial spectrum and its derivatives are also expected to be effective antibiotic candidates. The present invention also relates to a novel preparing method of platensimycin. The intermediates used for the production of platensimycin and its derivatives of the present invention are tricyclo ketone derivatives and tetracyclo derivatives. Tetracyclo derivatives are prepared from tricyclo ketone derivatives prepared by carbonyl ylide [3+2] cycloaddition of dia-zoketone derivative.

Abstract: A plasma display panel having higher light-emitting luminance and efficiency of a discharge cell includes: a plurality of first barriers successively formed on a substrate at predetermined intervals; a plurality of first sustain electrodes formed at a width more than 40% of a pixel pitch, which is an overall distance of four of the barriers, to be orthogonal to the first barriers; a plurality of second sustain electrodes spaced apart from the first sustain electrodes at a distance less than 20% of the pixel pitch and mated with the first sustain electrodes one by one; a dielectric layer formed at a thickness of 25 ?m or more to cover the first and second sustain electrodes; and a plurality of pads formed on some of the dielectric layer corresponding to the first sustain electrodes and the second sustain electrodes in each discharge cell.

Abstract: Compounds represented by Formula I: which are useful as are alpha-1A/B adrenoceptor antagonists, to methods of treating conditions associated with the activity of alpha-1A/B adrenoceptors, and to methods of making said compounds, wherein Ar, Z, R, R?, R5 and R10 are as defined herein.

Abstract: An electroluminescent element and an electronic device including the electroluminescent element include a glass template having a silica layer as a matrix, electrodes and a luminescent material. Since the electroluminescent element according to the present invention includes silica as a matrix, the electroluminescent element has a stabilized structure even though a space between the luminescent layer and the electrode of the glass template is not filled. Further, such an electroluminescent element may be easily prepared, and thus may be effectively applied to various electronic devices, such as display devices, illumination devices and backlight units.

Abstract: A nanowire composite and a method of preparing the nanowire composite comprise a template having a plurality of hollow channels, nanowires formed within the respective channels of the template, and a functional element formed by removing a portion of the template so that one or more of the nanowires formed within the portion of the template are exposed. Since the nanowire composite can be prepared in a simple manner at low costs and can be miniaturized, the nanowire composite finds application in resonators and a variety of sensors.

Abstract: A method of manufacturing silicon nanowires is characterized in that silicon nanowires are formed and grown through a solid-liquid-solid process or a vapor-liquid-solid process using a porous glass template having nanopores doped with erbium or an erbium precursor. In addition, a device including silicon nanowires formed using the above exemplary method according to the present invention can be effectively applied to various devices, for example, electronic devices such as field effect transistors, sensors, photodetectors, light emitting diodes, laser diodes, etc.

Abstract: The subject matter of the present invention relates to a ligand of Axl receptor tyrosine kinase used to induce the differentiation from precursor natural killer cell to mature natural killer cell. In addition, it relates to a process for producing mature natural killer cell comprising treating hematopoietic stem cells with interleukin-7, stem cell factor and Flt3L to differentiate into precursor natural killer cells, and treating the resulting precursor natural killer cells with at least one ligand of Axl receptor tyrosine kinase to produce mature natural killer cells.

Abstract: Disclosed herein is a lithium secondary battery having improved life characteristics by removal of metal ion impurities incorporated during an assembly process of the battery via a cation exchange process, thereby preventing electrodeposition of the metal ions on an anode, through the addition of a cation exchange material, containing cations selected from the group consisting of lithium, sodium, ammonium and any combination thereof, to an electrode and/or a surface of a separator.

Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.

Abstract: Provided is a siloxane dispersant having a structure including a head part having an affinity for nanoparticles and a tail part having an affinity for a polydimethylsiloxane (PDMS) resin, and a nanoparticle paste composition comprising the same. The dispersant significantly improves dispersion efficiency of a polydimethylsiloxane resin system which is used in preparation of high-output light sources such as UV LEDs and the like.

Abstract: An organic light-emitting display includes a substrate, a thin film transistor on the substrate, an organic light-emitting diode electrically connected to the thin film transistor, and a photo sensor having a plurality of photo diodes connected to one another in parallel.

Abstract: A method of forming a dielectric layer in PDP is provided. The method according to the present invention comprises, (a) forming a green sheet comprising a base film and a film-forming layer disposed on a surface of the base film, wherein the film-forming layer is formed on the surface of the base film by applying onto said surface of the base film a slurry containing a PbO-based glass powder, a binder, a dispersing agent, a plasticizer and a solvent; (b) transferring the film-forming layer of the green sheet onto a surface of a substrate, wherein electrodes are disposed on the surface of the substrate; and (c) sintering the film-forming layer.

Abstract: Disclosed herein is a method for producing nanowires. The method comprises the steps of providing a porous template with a plurality of holes in the form of tubes, filling the tubes with nanoparticles or nanoparticle precursors, and forming the filled nanoparticles or nanoparticle precursors into nanowires. According to the method, highly rectilinear and well-ordered nanowires can be produced in a simple manner.