Abstract: A negative electrode active material including nanometal particles and super-conductive nanoparticles and a lithium battery including the same.

Abstract: A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers.

Abstract: A method for manufacturing a p-type gallium nitride-based (GaN) device is disclosed. In accordance with the method, an Mg in an MgNx layer disposed on p-type gallium nitride is diffused into the p-type gallium nitride by a heat treatment to dope the p-type gallium nitride with the Mg while activating the diffused Mg simultaneously, eliminating a need for an additional heat treatment for the activation and preventing a nitrogen in the p-type gallium nitride from being separated therefrom.

Abstract: A negative electrode for a lithium battery and a lithium battery including the negative electrode, the negative electrode including: a matrix of a Sn grain and a metal M grain; and a carbon-based material grown on the matrix.

Abstract: Provided are an organic light emitting diode (OLED) using phase separation and a method of fabricating the same. The method includes preparing a transparent substrate. A first light path control layer is formed on the transparent substrate. The first light path control layer includes a mixture of a first medium and a second medium having a lower refractive index than the first medium using the phase separation. An anode, an organic emission layer, and a cathode are sequentially stacked on the first light path control layer. In this method, an OLED with improved light extraction efficiency can be fabricated using a simple and inexpensive process.

Abstract: A stacked organic light-emitting device is provided. The stacked organic light-emitting device includes a first electrode, first and second light-emitting units formed under and on the first electrode respectively, transparent or semi-transparent second and third electrodes formed under the first light-emitting unit and on the second light-emitting unit respectively, and having the same polarity, and a drive controller electrically connected with the first, second and third electrodes to connect the first and second light-emitting units in parallel, and capable of controlling at least one of the first and second light-emitting units to emit light. Accordingly, the organic light-emitting device has a lower driving voltage than a conventional stacked light-emitting device in which light-emitting units are serially connected.

Abstract: A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 ?m, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide.

Abstract: A lithium titanium oxide for an anode active material of a lithium rechargeable battery, wherein a X-ray diffraction (XRD) spectrum has a first peak of Li4Ti5O12 and a second peak, and A50-55/A78-80 is in a predetermined range, as a result of XRD analysis, where A78-80 is an Area of the first peak and A50-55 is an Area of the second peak in XRD.

Abstract: A negative electrode for a lithium battery, a method of manufacturing the same, and a lithium battery including the negative electrode, the negative electrode including a collector; and an active material layer, wherein the active material layer includes an indium tin oxide material capable of intercalation and deintercalation of lithium ions.

Abstract: A composition for a protective layer of a plasma display panel includes a metal oxide powder containing a metal selected from Mg, Cu, Ca, Sr, Ba, Zn, Mn, Fe, Al, Ti, Zr, Sn, Ce and combinations thereof, a dispersing agent, and a solvent selected from nitrile compounds, tertiary alkyl acetates, alkylene glycol alkyl ethers, dichloromethane, tetrahydrofuran and combinations thereof. Also, a plasma display panel includes a protective layer formed of the composition for a protective layer, and a manufacturing method thereof.

Abstract: An electronic device, such as a mobile terminal, includes a touchscreen display and a control unit for operating responsive to user contact with the display. The control unit is configured to display an analog clock, detect user contact with the display, and adjust displayed position of a selected clock hand of the analog clock responsive to relative locations on the display that the detected user contact occurs.

Abstract: A method of preparing a conductive nano ink composition. The method includes preparing a low temperature solution by adding a portion of a metal ion solution in a mixture solvent obtained by mixing polyethylene glycol and polyvinyl alcohol, and mixing the rest of the metal ion solution to the low temperature solution.

Abstract: A negative electrode for a lithium battery includes an active material layer and a current collector. The active material layer has a plurality of crystal grains and the plurality of crystal grains include a plurality of pores. A first pore of the plurality of pores has a first length and a second length, the first length being the maximum length orthogonal to the current collector and the second length being the maximum length orthogonal to the first length, and the first length is greater than the second length.

Abstract: A conductive ink including metal ions, a functional solvent, and a capping agent, a method of preparing a metal wiring using the conductive ink, and a printed circuit board including the metal wiring.

Abstract: A method of preparing a conductive nano ink composition. The method includes mixing a metal precursor in a solution of a multi-functional polymer having a chemical reduction function and a particle growth suppression function to form a mixture solution, forming primary particles by stirring the mixture solution at about 800 to about 1,200 rpm for about 10 to about 20 minutes, and forming secondary particles by leaving the mixture solution at room temperature.

Abstract: Provided is a transparent organic light emitting diode (OLED) lighting device in which opaque metal reflectors are formed to adjust light emitting directions. The transparent OLED lighting device includes a transparent substrate, a transparent anode formed on a predetermined region of the transparent substrate, a reflective anode formed adjacent to the transparent anode on another region of the transparent substrate, an organic layer formed on the transparent and reflective anodes, and a transparent cathode and an encapsulation substrate sequentially stacked on the organic layer. Directions of light emitted from the organic layer vary depending on the current applied to the transparent and reflective anodes.

Abstract: Disclosed are a method of preparing a conductive ink composition for a flexible printed circuit (FPC) and a method of producing a printed circuit board using the conductive ink composition. This method includes preparing a first solution by mixing a Ag-containing compound and a fatty acid dispersion stabilizer in a polar solvent; preparing a second solution including Ag nanoparticles reduced from the Ag-containing compound by adding a reducing agent to the first solution; phase-transitioning the Ag nanoparticles into a nonpolar solvent by adding a phase-transition agent and a nonpolar solvent to the second solution including the Ag nanoparticles; and separating the nonpolar solvent including the Ag nanoparticles therefrom.

Abstract: Disclosed is a conductive ink composition for a flexible printed circuit (FPC), and a method of producing a printed board using the same. The conductive ink composition for a flexible printed circuit (FPC) includes a Ag-containing compound, a dispersion stabilizer, and a solvent.

Abstract: A method for manufacturing a p-type gallium nitride-based (GaN) device is disclosed. In accordance with the method, an Mg in an MgNx layer disposed on p-type gallium nitride is diffused into the p-type gallium nitride by a heat treatment to dope the p-type gallium nitride with the Mg while activating the diffused Mg simultaneously, eliminating a need for an additional heat treatment for the activation and preventing a nitrogen in the p-type gallium nitride from being separated therefrom.

Abstract: A light emission device including: first substrate and second substrates facing each other with a vacuum region therebetween; an electron emission region at a surface of the first substrate facing the second substrate; a driving electrode at the surface of the first substrate and for controlling an amount of electrons emitted from the electron emission region; an anode at a surface of the second substrate facing the first substrate; a phosphor layer on one surface of the anode and for receiving the electrons emitted from the electron emission region; and a reflective layer covering the phosphor layer, wherein the reflective layer comprises a first reflective layer comprising Al and a second reflective layer comprising Ag. Here, the light emission device according an embodiment of the present invention to the present invention has a reflective layer that is highly reflective, so as to improve cathode luminous efficiency of the phosphor layer.