Abstract: A method for obtaining a collagen peptide from a starfish, an elastic liposome containing a starfish-derived collagen peptide, and a cosmetic composition containing the same are disclosed. Methods of using the collagen peptide or the elastic liposome are disclosed. The collagen peptide obtained from a starfish has excellent skin absorption rate and having anti-oxidation and wrinkle-improving activity. Thus, the collagen peptide may replace existing animal collagen to provide collagen with high extraction efficiency.

Abstract: The present invention relates to the manufacture of a platform for forming a neuronal spheroid and, more specifically, to the manufacture of a structure capable of simultaneously forming a test-tube three-dimensional neuronal spheroid and generating a neurite by forming a three-dimensional neuronal spheroid with a micro-platform and forming a neurite between the neuronal spheroid and the micro-platform so as to enable signal transduction, which is an essential function of a nerve cell.

Abstract: A sub word line driver and a semiconductor integrated circuit device having the same are provided. The semiconductor integrated circuit device includes adjacent four sub word line drivers configured to drive four sub word lines in response to signals of four main word lines, wherein first and second sub word line drivers of adjacent sub word line drivers share one keeper transistor with each other, and third and fourth sub word line drivers of the adjacent sub word line drivers share one keeper transistor with each other.

Abstract: A sub word line driver and a semiconductor integrated circuit device having the same are provided. The semiconductor integrated circuit device includes adjacent four sub word line drivers configured to drive four sub word lines in response to signals of four main word lines, wherein first and second sub word line drivers of adjacent sub word line drivers share one keeper transistor with each other, and third and fourth sub word line drivers of the adjacent sub word line drivers share one keeper transistor with each other.

Abstract: A sub word line driver and a semiconductor integrated circuit device having the same are provided. The semiconductor integrated circuit device includes adjacent four sub word line drivers configured to drive four sub word lines in response to signals of four main word lines, wherein first and second sub word line drivers of adjacent sub word line drivers share one keeper transistor with each other, and third and fourth sub word line drivers of the adjacent sub word line drivers share one keeper transistor with each other.

Abstract: A sub word line driver and a semiconductor integrated circuit device having the same are provided. The semiconductor integrated circuit device includes adjacent four sub word line drivers configured to drive four sub word lines in response to signals of four main word lines, wherein first and second sub word line drivers of adjacent sub word line drivers share one keeper transistor with each other, and third and fourth sub word line drivers of the adjacent sub word line drivers share one keeper transistor with each other.

Abstract: A semiconductor memory device includes a main word line shared by a plurality of mats. Each of the mats includes a plurality of sub word lines. A decoding unit is configured to decode a row address bit and output a word line driving signal. A plurality of sub word line driving units are each configured to activate one of the sub word lines according to the word line driving signal. In the semiconductor memory device each neighboring sub word line driving units is connected to a different main word line to remove parasitic coupling capacitance.

Abstract: A semiconductor memory device includes: a first switch configured to couple a bit line to a first input/output line in response to an output selection signal including a pulse which is generated in response to a read command or write command; and a second switch configured to couple the first input/output line to a second input/output line in response to a switching control signal which is enabled after the output selection signal is enabled.

Abstract: An output driver is applicable to two or more interface standards. The output driver includes a pre-driver configured to generate pull-up control signals and pull-down control signals according to a logic value of data to be output and a target resistance, and adjust slew rates of the pull-up control signals and the pull-down control signals according to operation modes, and a driver configured to output the data in response to the pull-up and pull-down control signals.

Abstract: Disclosed is an internal voltage generating circuit that pumps charge to generate an internal driving voltage. The internal voltage generating circuit includes: a first oscillation signal generating unit that provides a first oscillation signal in response to a detected internal voltage and a predetermined test mode signal; a second oscillation signal generating unit that divides an external clock to provide a second oscillation signal having a variable oscillation period; and a switching unit that selects the first oscillation signal or the second oscillation signal in response to the predetermined test mode signal and provides the selected signal as a pumping period signal.

Abstract: A semiconductor memory device includes a main word line shared by a plurality of mats. Each of the mats includes a plurality of sub word lines. A decoding unit is configured to decode a row address bit and output a word line driving signal. A plurality of sub word line driving units are each configured to activate one of the sub word lines according to the word line driving signal. In the semiconductor memory device each neighboring sub word line driving units is connected to a different main word line to remove parasitic coupling capacitance.

Abstract: Semiconductor device with a controllable decoupling capacitor includes a decoupling capacitor connected between a power voltage terminal and a ground terminal and a switching unit configured to enable/disable the decoupling capacitor in response to a control signal. According to another aspect, a semiconductor device with a controllable decoupling capacitor includes multiple circuits, decoupling capacitors being connected in parallel to each of the circuits and switching units being configured to enable/disable the decoupling capacitors in response to control signals.

Abstract: Disclosed is an internal voltage generating circuit that pumps charge to generate an internal driving voltage. The internal voltage generating circuit includes: a first oscillation signal generating unit that provides a first oscillation signal in response to a detected internal voltage and a predetermined test mode signal; a second oscillation signal generating unit that divides an external clock to provide a second oscillation signal having a variable oscillation period; and a switching unit that selects the first oscillation signal or the second oscillation signal in response to the predetermined test mode signal and provides the selected signal as a pumping period signal.

Abstract: An output driver is applicable to two or more interface standards. The output driver includes a pre-driver configured to generate pull-up control signals and pull-down control signals according to a logic value of data to be output and a target resistance, and adjust slew rates of the pull-up control signals and the pull-down control signals according to operation modes, and a driver configured to output the data in response to the pull-up and pull-down control signals.

Abstract: The present invention relates to polymer blend membranes of sulfonated and nonsulfonated polysulfones, methods for the preparation the membrane, and fuel cells comprising the same. The blend membranes can be obtained by varying drying condition and concentration of casting solution. The membranes have improved methanol barrier property, proton conductivity and membrane selectivity.

Abstract: The present invention relates to an effective cooling system for an electric element of a personal computer. The present invention provides the cooling system for the inhaling unit for inhaling air from outside by being positioned at a rear portion of a PC case; an air duct of which one end is connected to the inhaling unit and another end is connected to the electric element to be cooled so as to provide the flow path of the air enforced to be inhaled from outside by using the inhaling unit; and connecting unit for establishing a reciprocal connection between the inhaling unit and the air duct.