Abstract: Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm2 to 740 mg/25 cm2, and the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol % to 75 vol % in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body; a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.

Abstract: A method of recovering a solvent including: supplying polymerization reactants including one or more monomers and a solvent to a reactor to obtain a polymer solution; supplying a stream including the polymer solution to a separator to separate an upper discharge stream including the solvent, wherein the solvent is in a gaseous phase, and a lower discharge stream including the polymer solution; heating a divergence stream including a part of the lower discharge stream from the separator by a heating device and refluxing the divergence stream to the separator; supplying a residue stream including a remainder of the lower discharge stream from the separator to a steam stripping process unit; and adjusting a vapor mass fraction of the divergence stream which is refluxed to the separator with a pressure adjustment valve after being heated by the heating device.

Abstract: The present invention provides a stable liquid pharmaceutical formulation containing: an antibody or its antigen-binding fragment; a surfactant; a sugar or its derivative; and a buffer. The stable liquid pharmaceutical formulation according to the present invention has low viscosity while containing a high content of the antibody, has excellent long-term storage stability based on excellent stability under accelerated conditions and severe conditions, and may be administered subcutaneously.

Abstract: According to an embodiment of the present invention, an actuator control apparatus comprises: an actuator changing an optical path of a lens; and a controller controlling the actuator, wherein the actuator comprises a first driver and a second driver which are arranged on a first side of a lens support member, and a third driver and a fourth driver which are arranged on a second side of the lens support member. A first distance between the first driver and the second driver is different from a second distance between the first driver and the third driver, and the first driver and the fourth driver are located in a diagonal direction with respect to each other. The controller applies a first current to the second driver and the third driver and applies a second current to the first driver and the fourth driver. When the lens is moved in a diagonal direction, an absolute value of the first current is different from an absolute value of the second current.

Abstract: A method and a system thereof for producing a digital holographic screen based on multi-hogel printing are proposed. The system includes a light source unit including lasers, a dichroic mirror for RGB three color matching, mirrors, a beam splitter, and an optical shutter, an object beam unit including a spatial filter, a lens, and a mirror, a reference beam unit including a spatial filter, a lens, and a mirror, a diffuser fixing unit including a diffuser holder and a diffuser positioned between the object beam unit and a recording material and configured to scatter and diffuse the object beam, a photomask movement unit including a photomask holder, an XY-translation stage, and a photomask positioned between the reference beam unit and the recording medium and on which a grid-shaped on/off binary pattern is printed, and a controller configured to control the optical shutter and the XY-translation stage.

Abstract: The present invention relates to a method of manufacturing polycrystalline silicon ingot using a crucible in which an oxygen exhaust passage is formed by single crystal or polycrystalline rods, the method including the steps of: manufacturing the single crystal or polycrystalline silicon rods each having the shape of a quadrilateral pillar; putting the single crystal or polycrystalline quadrilateral pillar-shaped silicon rods into the crucible in such a manner as to be arranged close to one another along the inner peripheral surface of the crucible to thus form a space portion inside the single crystal or polycrystalline silicon rods, into which silicon chunks are put, and the oxygen exhaust passages between the inner peripheral surface of the crucible and the respective surfaces of the single crystal or polycrystalline silicon rods oriented toward the inner peripheral surface of the crucible; putting the silicon chunks into the space portion of the crucible; and melting and crystallizing the silicon chunks.

Abstract: A camera actuator according to an embodiment includes a moving part including a lens; and a driving part for moving the moving part in the optical axis direction; wherein the driving part includes: a circuit board; a sensing part disposed on the circuit board and sensing a position of the moving part; and a driver IC disposed on the circuit board and connected to the sensing part; wherein the sensing part includes first and second sensing parts, and wherein a distance between the first sensing part and the driver IC corresponds to a distance between the second sensing part and the driver IC.

Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover disposed in the housing and including an optical member, and a drive disposed in the housing so as to drive the mover, wherein: the drive comprises a drive magnet, a drive coil placed opposite to the drive magnet, a sensor unit for sensing the position of the mover, and a substrate unit connected to the sensor unit, and a second sensor unit opposite to and connected in series to the first sensor unit.

Abstract: A pixel of a display device may pre-charge a light emitting element in non-emission periods immediately before emission periods by varying a voltage level of an initialization voltage. As a result, a luminance non-uniformity phenomenon that may occur as the result of a deterioration deviation of the light emitting element may be removed or reduced.

Abstract: A stable pharmaceutical formulation according to the present disclosure contains: a recombinant fusion protein; a surfactant; a sugar or a derivative thereof; a buffer; and an isotonic agent. The stable pharmaceutical formulation according to the present disclosure has low viscosity while containing the recombinant fusion protein, may maintain excellent stability under long-term storage conditions, accelerated conditions and stress conditions, and may be administered intraocularly.

Abstract: The stable pharmaceutical formulation according to the present disclosure comprises (A) an antibody or antigen-binding fragment thereof that binds to an interleukin-6 receptor; (B) a surfactant; (C) stabilizers; and (D) a buffer. The stable pharmaceutical formulation according to the present disclosure has a low viscosity even when it contains an antibody, especially at a high concentration, and has excellent long-term storage stability based on excellent stability under accelerated and severe conditions, and may be administered intravenously or subcutaneously.

Abstract: A stable liquid pharmaceutical formulation according to the present invention includes an antibody or antigen-binding fragment thereof, a surfactant, a sugar or a sugar derivative, a buffer, and a stabilizer. The stable liquid pharmaceutical formulation according to the present invention has low viscosity not only when antibody content is low but also when antibody content is high, and exhibits superior long-term storage stability based on superior stability observed under accelerated conditions and harsh conditions.

Abstract: A coil component includes: a body having one surface, and opposite end surfaces facing each other while each being connected to the one surface; a coil unit disposed within the body; slit portions formed in edges at which the one surface of the body meets the opposite end surfaces of the body, respectively; first and second external electrodes disposed on the opposite end surfaces of the body, each thereof being connected to the coil unit, and extending to the one surface of the body through the slit portions, respectively; and a cover insulating layer covering each of the first and second external electrodes disposed on the opposite end surfaces of the body and on the slit portions.

Abstract: An embodiment of the present invention provides a camera actuator comprising: a mover including an optical member for changing a path of incident light; a driving unit for moving the mover in a second direction or a first direction perpendicular to an optical axis direction; an output unit for outputting a control signal for moving the mover; a first position sensor for sensing position information in the second direction of the mover; an image sensor for receiving light having passed through the optical member to generate image information; and a calculation unit for calculating a rotational correction amount of the image information with reference to the optical axis direction with respect to the image information by using the position information in the second direction of the mover.

Abstract: A coil component includes: a body including magnetic metal particles and an insulating resin; a coil portion disposed within the body and including a lead-out portion exposed to one surface of the body; a surface insulation layer disposed on the body and having an opening exposing each of at least a portion of the lead-out portion and at least a portion of the one surface of the body; and an external electrode disposed in the opening and connected to the lead-out portion, wherein a connection metal layer in which at least some of the magnetic metal particles are connected to each other is disposed in a region of the one surface of the body, exposed in the opening, and an area of a metal component including the connection metal layer in the region is 75% or more of an area of the region.

Abstract: A method for fabricating a vertical semiconductor device may include forming a lower-level stack including a source sacrificial layer over a semiconductor substrate; forming an upper-level stack including dielectric layers and sacrificial layers over the lower-level stack; forming a vertical channel structure including a channel layer that penetrates the upper-level stack and the lower-level stack; forming a slit that penetrates the upper-level stack while exposing the source sacrificial layer; forming a lateral recess that extends from the slit by removing the source sacrificial layer; forming a first contact layer which is coupled to a portion of the channel layer while filling the lateral recess; selectively forming a second contact layer over an exposed surface of the first contact layer; and selectively forming a chemical barrier layer over the second contact layer.

Abstract: A camera device including first and second cameras, focal position information of the first camera and focal position information of the second camera are matched with each other. Also, the accuracy of the current focal position of the first camera is determined based on the phase difference of images obtained by the first camera when the first camera is auto-focused. Subsequently, when the accuracy of the current focal position of the first camera is low, an accurate focal position of the first camera is tracked by using the matched focal position information of the second camera. When an auto-focusing function of the first camera is activated, focal position movements are tracked by using the focal position information of the second camera as well as zoom tracking of the first camera, and thus, the accuracy can be improved.

Abstract: A camera module according to an embodiment of the present invention includes: a lens group; a lens support unit for accommodating the lens group; a magnet arranged on the outer surface of the lens support unit; a yoke portion spaced apart from the magnet and arranged to face the magnet; and a coil arranged on the yoke portion so as to be spaced apart from and to face the magnet between the magnet and the yoke portion, wherein the lens group, the lens support unit, and the magnet move together along an optical axis according to a current applied to the coil, the yoke portion includes a first yoke and a second yoke arranged on the first yoke, the second yoke is arranged between the first yoke and the coil, and magnetism of the first yoke is stronger than that of the second yoke.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body, a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.