Abstract: The present disclosure is related to a positive electrode active material for lithium secondary batteries, a method for preparing the positive electrode active material, and a lithium secondary battery including the positive electrode active material. The positive electrode active material for lithium secondary batteries includes an overlithiated layered oxide (OLO), and the overlithiated layered oxide includes primary particles having a size in a range of 300 nm to 10 ?m in an amount ranging from 50 to 100% by volume with respect to the total overlithiated layered oxide.

Abstract: A door glass assembly includes a door frame configured to form a door of a vehicle, a door glass configured to be installed in the door frame to be ascended and descended relative to the door frame, a garnish configured to be engaged with an outer surface of the door frame so that the outer surface of the door frame is finished with the garnish, a slider installed on the door glass and having a front end received in the door frame to guide the door glass, and a position adjusting part provided on an inner surface of the door glass and configured to adjust a gap between an end portion of the door glass and the garnish.

Abstract: The present invention relates to a positive electrode active material, in which primary particles included in a secondary particle exhibit an aspect ratio gradient which gradually increases from the center of the secondary particle to the surface thereof, and a lithium secondary battery which uses a positive electrode containing the positive electrode active material.

Abstract: The present invention relates to a cathode active material for a secondary battery and a preparation method thereof, and more particularly, to a lithium composite oxide including a secondary particle formed as primary particles cohere, in which a manganese (Mn) oxide is present in the periphery of the primary particles, a concentration of an Mn oxide in the primary particle has a concentration gradient from the center of the primary particle to a surface of the particle, a concentration of an Mn oxide in the secondary particle has a concentration gradient from a surface of the secondary particle to the center thereof, and a lithium ion migration path is formed in the primary particle, and a preparation method thereof. A secondary battery including the cathode active material for a secondary battery may have high safety, while exhibiting high capacity and high output.

Abstract: A glass run of a door having improved the air-tightly sealing performance, in the glass run of the door mounted on a door frame to support the circumference of the door glass in the door of a vehicle, wherein the glass may include an internal glass run to be mounted on the door frame to be in contact with the internal surface of the door glass; and an external glass run to be mounted on a portion of the door frame where a garnish is attached, and to support an end portion of the door glass, and wherein the external glass run includes a support member for keeping a state in which the internal glass run has been initially mounted on the door.

Abstract: A door glass assembly for a vehicle is configured such that a driving motor for raising and lowering a door glass of the vehicle is directly connected to the door glass. The door glass assembly for the vehicle includes the door glass installed to be capable of being raised and lowered in a door of the vehicle and the driving motor for raising or lowering the door glass. The door glass assembly further includes a motion converting means for converting the rotational motion of the driving motor into the linear motion of the door glass between the driving motor and the door glass.

Abstract: A vehicle door glass assembly capable of regulating a position of a door glass may include a door frame forming a vehicle door; a garnish joined to a periphery of the door frame to finish an outer side face of the door frame; the door glass installed so as to be raised or lowered within the door frame; a glass run assembled to the door frame to support a periphery of the door glass; and a slider installed in an inner side face of the door glass to guide a raising or lowering movement of the door glass, where the garnish is provided with a restraint device configured to prevent the slider from moving in a longitudinal direction of a vehicle.

Abstract: A door glass assembly capable of adjusting position includes a door frame configured to form a door of a vehicle, a door glass configured to be installed at the door frame to be ascended and descended, a garnish configured to be engaged with an outer surface of the door frame so that an outer surface of the door frame is finished with the garnish, a slider installed on at an inner circumference of the door glass and having a front end received in the door frame to guide the door glass to be ascended and descended, and a position adjusting part provided at an inner surface of the door glass and configured to adjust a gap between an end portion of the door glass and the garnish by varying a position of the slider.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery and a lithium secondary battery including the same. The positive electrode active material according to the present invention reduces the specific surface area and grain boundary of a secondary particle in which a side reaction with an electrolyte solution occurs to improve the high-temperature stability of the positive electrode active material and reduce gas generation caused by the positive electrode active material.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery comprising the same.

Abstract: The present invention relates to a lithium composite oxide, a positive electrode active material for a lithium secondary battery including the lithium composite oxide, and a lithium secondary battery using a positive electrode including the positive electrode active material.

Abstract: The present invention relates to a positive electrode active material, and a lithium secondary battery comprising a positive electrode including the positive electrode active material.

Abstract: A camera module includes a housing having an internal space, a first moving body disposed in the internal space of the housing, a second moving body disposed in an internal space of the first moving body, a driving wire for OIS formed of a shape memory alloy, and having both ends connected to the housing and a central portion connected to the first moving body, and a driving wire for AF formed of a shape memory alloy, and having both ends connected to the first moving body and a central portion connected to the second moving body. The driving wire for OIS includes a pair of driving wires for OIS disposed opposing each other configured to move the first moving body in one axis direction, and the driving wire for AF includes a pair of the driving wires for AF disposed on one side surface among internal surfaces of the first moving body spaced apart from each other upwardly and downwardly configured to move the second moving body in an upward direction and a downward direction.

Abstract: A driving apparatus for a voice coil motor includes a signal generator configured to generate a path signal determining a path of a driving current provided to the voice coil motor and a current signal determining a level of the driving current, a controller configured to generate a control signal by comparing a reference current determined by the current signal, with the driving current flowing in the voice coil motor, and a driving circuit unit including transistors connected to the voice coil motor, the transistors being configured to form the path of the driving current by performing a switching operation based on the path signal and the control signal.

Abstract: An actuator of a camera module includes a magnetic body, a driving coil disposed to face the magnetic body, and a driving apparatus including a driving circuit connected to the driving coil and selectively providing one of a first control signal and a second control signal to the driving circuit according to a driving mode. The driving apparatus compares a level of a control signal of a previous driving mode with a level of a control signal of a following driving mode upon the driving mode being switched.

Abstract: The present invention relates to a lithium metal complex oxide and a preparation method thereof, and more particularly, to a lithium metal complex oxide mixed with a metal compound for a lithium reaction, stirred and heat-treated to allow residual lithium and a metal compound for reducing lithium (or a metal compound for lithium reduction) to react with each other on a surface to form a product, which is included in the lithium metal complex oxide, in which the content of Ni3+ is higher than the content of Ni2+ and a ratio of Ni3+/Ni2+ is 1.5 or greater so that life characteristics and capacity characteristics are improved, while residual lithium is reduced, and a preparation method thereof.

Abstract: The present invention relates to a cathode active material for a secondary battery and a preparation method thereof, and more particularly, to a lithium composite oxide including a secondary particle formed as primary particles cohere, in which a manganese (Mn) oxide is present in the periphery of the primary particles, a concentration of an Mn oxide in the primary particle has a concentration gradient from the center of the primary particle to a surface of the particle, a concentration of an Mn oxide in the secondary particle has a concentration gradient from a surface of the secondary particle to the center thereof, and a lithium ion migration path is formed in the primary particle, and a preparation method thereof. A secondary battery including the cathode active material for a secondary battery may have high safety, while exhibiting high capacity and high output.

Abstract: A driving apparatus for a voice coil motor includes a signal generator configured to generate a path signal determining a path of a driving current provided to the voice coil motor and a current signal determining a level of the driving current, a controller configured to generate a control signal by comparing a reference current determined by the current signal, with the driving current flowing in the voice coil motor, and a driving circuit unit including transistors connected to the voice coil motor, the transistors being configured to form the path of the driving current by performing a switching operation based on the path signal and the control signal.

Abstract: An actuator of a camera module includes a magnetic body, a driving coil disposed to face the magnetic body, and a driving apparatus including a driving circuit connected to the driving coil and selectively providing one of a first control signal and a second control signal to the driving circuit according to a driving mode. The driving apparatus compares a level of a control signal of a previous driving mode with a level of a control signal of a following driving mode upon the driving mode being switched.

Abstract: A driving circuit includes a first switching element operating in a turned-on state or a turned-off state depending on a control voltage; a second switching element operating complementarily to the first switching element depending on the control voltage; a constant voltage circuit unit turning on depending on a source-gate voltage of the first switching element to maintain a constant voltage; a current adjusting circuit operating in a turned-on state or a turned-off state depending on the control voltage, and adjusting an operating current flowing to a ground depending on a current control signal in the turned-on state of the current adjusting circuit; a current control circuit controlling the operating current by providing the current control signal to the current adjusting circuit in a turned-on state of the constant voltage circuit unit; and a signal transfer circuit providing the control voltage to a gate of the second switching element.