Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: A camera module includes a housing, a movable body configured to move in a direction of an optical axis of the housing; a reinforcing member formed integrally on one surface of the movable body, and configured to increase a rigidity of the movable body; and a first buffer member formed in the reinforcing member, and configured to reduce an impactive force between the housing and the movable body.

Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.

Abstract: The present invention relates to stem cell-derived mature cardiomyocytes and a cardiovascular disease model using same and, more specifically, to differentiation into mature ventricular cardiomyocytes by culturing stem cells in a medium containing FGF4 and ascorbic acid, and use of the differentiated mature ventricular cardiomyocytes as a cardiovascular disease cell model. The mature ventricular cardiomyocytes, obtained by culturing stem cells in a medium containing FGF4 and ascorbic acid and inducing the differentiation thereof, and cardiovascular disease cell model using same according to the present invention are very useful for screening for cardiovascular disease therapeutic agents and evaluation of the toxicity of new drugs.

Abstract: A polyester resin composition includes: (A) polycyclohexylenedimethylene terephthalate (PCT) resin which is a polymer of terephthalic acid and cyclohexanedimethanol, wherein the cyclohexanedimethanol has a trans/cis isomer ratio of about 2.3 or more; (B) a white pigment, wherein the white pigment is titanium dioxide; and (C) inorganic fillers, wherein the inorganic fillers are glass fibers. A molded article formed from the polyester resin composition can exhibit improved mechanical properties and moldability, and thus can be suitable for light emitting diode (LED) reflectors.

Abstract: The present invention can provide a thermoplastic resin composition which contains (A) a polyester resin, (B) a white pigment, and (C) a silicon-containing graft copolymer, and thus has excellent light efficiency, discoloration resistance, and light stability, without degrading shock resistance and molding processability.

Abstract: A polyester resin composition includes: (A) a polyester resin which includes a polymer of a dicarboxylic acid component including an aromatic dicarboxylic acid, for example but not limited to terephthalic acid, and a diol component including an alicyclic diol, for example but not limited to cyclohexanedimethanol, having a trans/cis isomer ratio of about 2.3 or more; (B) a white pigment; and (C) inorganic fillers. A molded article formed from the polyester resin composition can exhibit improved mechanical properties and moldability, and thus can be suitable for light emitting diode (LED) reflectors.

Abstract: A polyester resin composition includes: (A) a polyester resin which includes a polymer of a dicarboxylic acid component including an aromatic dicarboxylic acid and a diol component including an alicyclic diol having a trans/cis isomer ratio of about 2.3 or more; (B) a white pigment; and (C) inorganic fillers. A molded article formed from the polyester resin composition can exhibit improved mechanical properties and moldability, and thus can be suitable for light emitting diode (LED) reflectors.

Abstract: A thermoplastic resin composition that can have high reflectance and light efficiency and excellent discoloration resistance even at high temperature and high humidity conditions over a long period of time includes (A) a polyester resin; (B) a white pigment; and (C) a sodium phosphate salt.

Abstract: A polyester resin composition comprises: (A) a first polyester resin having a melting temperature of greater than about 285° C.; (B) a second polyester resin having a melting temperature of less than or equal to about 285° C.; (C) a white pigment; and (D) an inorganic filler. The polyester resin composition may exhibit improved mechanical properties and discoloration resistance and can be used in a molded article, for example, as a LED reflector.

Abstract: The present invention relates to a polyester-based thermoplastic resin composition comprising (A) a polyester resin, (B) a reactive polysiloxane and (C) a white pigment, having remarkable photostability, discoloration resistance and reflectance, thermal resistance, durability and mechanical strength, and capable of remarkably improving impact strength.

Abstract: The present invention relates to a thermally conductive polycarbonate resin composition comprising (A) a polycarbonate resin, (B) a thermally conductive filler, (C) a modified polyolefin-based copolymer and (D) a low-molecular-weight polyolefin-based resin, thereby simultaneously exhibiting high impact strength, improving thermal conductivity and mechanical properties such as tensile strength and elongation, and having an excellent extrusion molding property.

Abstract: A thermoplastic resin composition includes (A) a polyester resin, (B) inorganic fillers, and (C) a white pigment, wherein at least one of the (B) inorganic fillers and the (C) white pigment is subjected to surface treatment with a silicone compound, and silicon is present in an amount of about 0.3 wt % to about 2 wt % based on the total weight of (A), (B), and (C).

Abstract: Provided is a conductive sheet composition including a polycarbonate resin, a rubber-modified vinyl-based graft copolymer, carbon nanotube, and a silicone particle to improve conductivity and mechanical physical properties and reduce surface gloss.

Abstract: The present invention can provide a thermoplastic resin composition which contains (A) a polyester resin, (B) a white pigment, and (C) a silicon-containing graft copolymer, and thus has excellent light efficiency, discoloration resistance, and light stability, without degrading shock resistance and molding processability.

Abstract: Disclosed is a thermoplastic rubber composition comprising, based on 100 parts by weight of a block terpolymer (A) of an aromatic vinyl compound and an alkene compound, 50 to 100 parts by weight of a paraffin oil (B), 30 to 70 parts by weight of an inorganic additive (C), 5 to 30 parts by weight of a polyolefin-based resin (D), and 30 to 70 parts by weight of an acryl-based resin (E). The hardness of the thermoplastic rubber composition may be freely adjusted and the thermoplastic rubber composition has a bonding strength of 2 to 4 N/mm as measured using a UTM according to a KS M 6518 peeling test method. Accordingly, bonding strength thereof to a thermoplastic resin is increased even without addition of an adhesive.

Abstract: The polyester resin composition of the present invention is characterized by comprising: (A) 100 parts by weight of a high heat resistant polyester resin having a main chain formed by a structure derived from aromatic dicarboxylic acid and alicyclic diol, wherein the melting point of the high heat resistant polyester resin is 200° C. or more; (B) 0.1 to 80 parts by weight of white pigment; and (C) 1 to 40 parts by weight of polyolefin copolymer. The resin composition of the present invention further comprises 1 to 40 parts by weight of a high stiffness polyester resin having a main chain comprising a structure derived from aromatic dicarboxylic acid and aliphathic diol. The molding foam, which is obtained from the polyester resin composition and the manufactured polyester resin composition, has good flexibility, heat resistance, and yellowing resistance and can be used for an LED reflecting plate due to having improved impact strength.