Abstract: Provided are a light-emitting driving device package apparatus capable of preventing warping or distortion caused by the difference in thermal expansion coefficient when a sapphire wafer and a silicon wafer are bonded together, a method of manufacturing the same, and a bonding wafer, the light-emitting driving device package apparatus including a light-emitting device made of sapphire material and including a light-emitter for outputting light, and a driving device bonded to the light-emitting device, made of silicon material, and including a driving circuit for applying a driving signal to the light-emitter to drive the light-emitter, wherein thermal deformation prevention holes are formed in at least portions of the light-emitting device or the driving device to prevent warping or distortion caused by a difference in thermal expansion coefficient between sapphire material and silicon material.

Abstract: A camera module includes: a first body including a substrate; an image sensor mounted on the substrate; a second body including a lens module; a ball bearing disposed between the first body and the second body to enable movement of the second body relative to the first body; and a driving member disposed between the first body and the second body to provide driving force to move the second body in at least one direction intersecting an optical axis.

Abstract: A mandrel member of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate, a separator, and a second electrode plate, the mandrel member comprising a cylindrical body having a hollow portion, wherein the cylindrical body includes a plurality of slits having a planar shape to cross the cylindrical body in a hollow axis direction so that the hollow portion inside the cylindrical body is in fluid communication with the outside of the cylindrical body.

Abstract: An electrode assembly and a secondary battery are provided. In an exemplary embodiment, an electrode assembly includes: a first electrode plate having a first electrode tab attached thereto; a second electrode plate having at least one second electrode tab attached thereto; and a separator between the first electrode plate and the second electrode plate, the electrode assembly wound in a state in which the first electrode plate, the separator, and the second electrode plate are stacked, and the first electrode plate includes coating portions formed by coating an active material on first and second surfaces thereof, and a half-coating portion formed by coating the active material on only one of the first and second surfaces at a region corresponding to a leading edge, on the basis of a winding direction, where an active material of the second electrode plate begins.

Abstract: A winding roll structure configured to implement edge bending of an electrode assembly according to one embodiment of the present disclosure, and wind the electrode assembly including a first electrode plate and a second electrode plate, and a separator disposed therebetween, includes an edge bending unit configured to bend both side edges in a longitudinal direction of the electrode assembly in one direction, and a winding unit configured to wind the electrode assembly that has passed through the edge bending unit, wherein the edge bending unit includes a pinch roller and an anvil roller each extending in a longitudinal direction and arranged in parallel, the pinch roller includes a roller main body, and a pair of enlarged diameter portions provided at both ends of the roller main body and having a larger diameter than the roller main body, the anvil roller is disposed adjacent to the pinch roller between the pair of enlarged diameter portions, and both side edges in the longitudinal direction of the electro

Abstract: A method for preparing a metal-carbon composite catalyst comprises the steps of: preparing a source material comprising a metal precursor and a monomer, which comprises a methylpyrrolidone (NMP); heat treating the source material so as to prepare an intermediate; and carbonizing the intermediate so as to prepare a carbon nanocatalyst in which the metal of the metal precursor is coupled to a carbon matrix structure, wherein, according to whether the source material comprises an organic additive, the type of organic additive, and the type of metal precursor, the carbon matrix structure has a carbon sheet structure and/or a carbon porous body structure, and the metal can be metal ions and/or metal particles. The metal-carbon composite catalyst can have high ORR and OER characteristics, and thus can be used as a cathode material for a zinc-air battery.

Abstract: A liquid crystalline resin composition is disclosed. The liquid crystalline resin composition includes a liquid crystalline resin, a fine particulate filler including barium sulfate (BaSO4), and a nanofiller including carbon nanotubes (CNT), wherein a content of the nanofiller based on the total weight of the fine particulate filler and the nanofiller is about 6 wt % to about 30 wt %.

Abstract: A sensor shifting actuator includes a fixed body; a moving body disposed in the fixed body and including an image sensor having an imaging surface; a supporting substrate disposed in the fixed body and configured to support the moving body so that the moving body is movable with respect to the fixed body in first and second directions parallel to the imaging surface of the image sensor; and a driver configured to move the moving body in either one or both of the first and second directions. The supporting substrate includes a movable portion coupled to the moving body, a fixed portion coupled to the fixed body, and a connection portion disposed between the movable portion and the fixed portion. The movable portion and the connection portion are movable together in the first direction, and the movable portion is movable with respect to the connection portion in the second direction.

Abstract: A temperature sensing device including a first temperature sensor having a first resistor and a first capacitor and generating a first voltage applied to at least one of the first resistor or the first capacitor based on a first clock signal and a second clock signal generated by delaying the first clock signal, a second temperature sensor having a second resistor and a second capacitor and generating a second voltage applied to at least one of the second resistor or the second capacitor based on the first and second clock signals, a controller generating code data based on the first voltage and the second voltage and generating a control signal based on the code data, and a delay locked loop circuit delaying the first clock signal based on the control signal to generate the second clock signal may be provided.

Abstract: A semiconductor laser diode, more particularly to a TO Can package module with a structure with no beam path change, combined with a temperature control function for stability of the beam properties emitted by the laser diode are described. The TO CAN type laser diode package module includes a stem heat block including a stem base forming a bottom and a heat block protruding from the stem base; a thermo-electric cooler (TEC) with a temperature control function, and the TEC is fixed to the surface including the vertical component of the heat block; a sub-mount fixed on the thermo-electric cooler; a laser diode chip and a thermistor; a plurality of lead pins arranged at predetermined intervals on the stem base; a monitoring photodiode (MPD) to monitor the beam emitted from the laser diode chip; and wires connecting each of the devices to the lead pins.

Abstract: A method for manufacturing an electrode for a secondary battery comprises the steps of (a) preparing an electrode sheet comprising a current collector partitioned into a coating portion and a non-coating portion and having an insulating layer laminated on the non-coating portion; and (b) forming an electrode tab by notching the non-coating portion on which the insulating layer is laminated. The notching is performed using a laser having a pulse width of 100 ps to 10?6 ps. An electrode for a secondary battery and an electrode manufacturing system used in the method described above is also provided.

Abstract: Disclosed is a secondary battery, which has a reinforced strength and can simplify the manufacturing process thereof. For example, one embodiment provides a secondary battery which comprises: an electrode assembly including a first electrode plate and a second electrode plate, wherein one of the first electrode plate and the second electrode plate includes a plurality of first tabs formed to protrude in one direction; a first current collection tab coupled to the first tabs; a case housing the electrode assembly; and a cap assembly coupled to the upper part of the case, wherein the first current collection tab is coupled to one of the cap assembly and the bottom surface of the case.

Abstract: The present invention relates to a secondary battery in which an electrode assembly and a current collection plate may be easily welded and safety may be improved. As an embodiment, disclosed is a secondary battery comprising: an electrode assembly which is formed by winding a first electrode plate having a first electrode uncoated part, a separator, and a second electrode plate having a second electrode uncoated part, the first electrode uncoated part protruding upwards, and the second electrode uncoated part protruding downwards; and a first current collection plate which is electrically connected to the first electrode uncoated part and has a concave-convex part protruding downwards, wherein the width of the concave-convex part becomes wider from the center of the first current collection plate toward the outer periphery thereof.

Abstract: An electrode assembly of a secondary battery has positive and negative electrode tabs aligned on a same line approximately at the center of the radius of the cross section of the electrode assembly, and are attached so as not to overlap each other in the longitudinal direction, thereby making it possible to improve winding roundness, and a positive electrode plate coating portion on a positive electrode plate, which is adjacent to the negative electrode tab, and which has no positive electrode tab formed thereon, thereby preventing precipitation of lithium during overcharging. The electrode assembly includes positive and negative electrode plates attached to the positive and negative electrodes tabs, respectively, and a separator interposed between the electrode plates, wherein the electrode plates and the separator are laminated and wound such that the positive and negative electrode tabs respectively protrude from the longitudinal upper and lower portions of the electrode assembly, respectively.

Abstract: An electrode assembly includes a first electrode plate coated with a first electrode active material and having a first non-coated part along an upper end thereof, a second electrode plate coated with a second electrode active material and having a second non-coated part, and a separator between the first electrode plate and the second electrode plate, wherein the electrode assembly is wound in a jelly roll shape, wherein the first non-coated part has a structure in which isosceles trapezoidal electrode tabs are adjacent to one another with respective notches therebetween formed at an angle and at intervals from a start point thereof that is closest to a winding axis, such that the electrode tabs are bent toward the winding axis, and wherein respective lengths of the isosceles trapezoidal electrode tabs increase as the electrode tabs get farther away from the winding axis when the electrode assembly is wound.

Abstract: A liquid crystalline resin composition including a liquid crystalline resin, an olefin-based copolymer, a micro filler having an average particle diameter (D50) of 3 ?m or less, and a carbon-based filler, wherein a content of the micro filler is 6 to 20 wt % based on a total weight of the liquid crystalline resin composition, and an aspect ratio of the micro filler is 6 or less, and wherein a content of the olefin-based copolymer is 3 to 10 wt % based on the total weight of the liquid crystalline resin composition.

Abstract: One embodiment of the present invention provides an electrode sheet processing method comprising the steps of preparing an electrode sheet having an electrode mixture layer disposed on at least one surface of the electrode current collector; removing a part of the electrode mixture layer in the thickness direction by physical processing; and cutting down the region from which the electrode mixture layer of the electrode sheet is removed.

Abstract: An embodiment of the present invention relates to a secondary battery, and with respect to a technical problem to be resolved, provided is a secondary battery which has an electrode tab provided by forming a notch on a non-coated part of an electrode plate of an electrode assembly, and which can enable a current collecting plate to come into surface contact with the electrode tab.

Abstract: A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate having a positive electrode multi-tab, a separator, and a negative electrode plate having a negative electrode multi-tab, the positive electrode plate, the separator, and the negative electrode plate being laminated and wound; a cylindrical can accommodating the electrode assembly; a cap plate coupled at an upper end of the cylindrical can and being electrically connected to the negative electrode multi-tab; and a positive electrode terminal protruding upwardly through the cap plate and being electrically connected to the positive electrode multi-tab.

Abstract: A processing apparatus for a base material tab protruding from a cylindrical electrode assembly includes: a vertical plate arranged in a second direction perpendicular to a first direction, the first direction being a longitudinal direction of the electrode assembly; a rotatable plate that is a planar plate arranged parallel to the vertical plate and coupled to be rotatable relative to the vertical plate; and a plurality of blades coupled between the vertical plate and the rotatable plate. The blades together form a variable diameter central area defined by ends of the blades according to the relative rotation of the rotatable plate to process the base material tab of the electrode assembly.