Abstract: The present invention relates to a method for preparing a vinyl chloride-based polymer, including: bulk polymerizing a vinyl chloride-based monomer in a polymerization reactor to prepare a vinyl chloride-based polymer; and adding water and vapor to the polymerization reactor, and heating to remove an unreacted vinyl chloride-based monomer, wherein an addition amount of the water is 0.500 to 5.000 parts by weight based on 100 parts by weight of the vinyl chloride-based polymer.

Abstract: Provided is a method of preparing a vinyl chloride-based polymer composite, which includes: bulk-polymerizing vinyl chloride-based monomers to prepare a vinyl chloride-based polymer; and preparing a vinyl chloride-based polymer composite including the vinyl chloride-based polymer and polyvinylpyrrolidone.

Abstract: Provided is a method of producing a vinyl chloride-based polymer composite, which includes: forming particle nuclei by bulk polymerizing vinyl chloride-based monomers; producing a vinyl chloride-based polymer by bulk polymerizing vinyl chloride-based monomers in the presence of the particle nuclei; and producing a vinyl chloride-based polymer composite including the vinyl chloride-based polymer and a cellulose-based compound.

Abstract: Disclosed herein are a secondary battery, a method for manufacturing the secondary battery, and a battery pack comprising the secondary battery. The secondary battery may comprises a sealing part formed on a pouch type exterior. The sealing part may comprise a main sealing part formed along a circumference of the recess part, and a protruding sealing part protruding from the main sealing part toward the electrode assembly. The protruding sealing part may comprise a first protruding sealing part formed between the first electrode lead and the second electrode lead, and a second protruding sealing part provided at a left side of the first electrode lead.

Abstract: Provided are a method of preparing a vinyl chloride-based polymer composite, a vinyl chloride-based polymer composite, and a vinyl chloride-based polymer composite composition including the composite, the method including: a first step of performing bulk polymerization of vinyl chloride-based monomers; and a second step of recovering unreacted vinyl chloride-based monomers after the completion of the bulk polymerization and obtaining a vinyl chloride-based polymer composite, wherein polyvinyl alcohol is added in at least one step of the first step and the second step, and the polyvinyl alcohol is added in an amount of 0.003 parts by weight to 0.500 parts by weight based on a total of 100 parts by weight of the vinyl chloride-based monomers.

Abstract: The present invention relates to a vinyl chloride polymer and a production method thereof. More specifically, the present invention provides a vinyl chloride polymer having a polydispersity index of 2.0 to 2.3 and a porosity of 60% or greater and a production method thereof in which a vinyl chloride polymerization seed having a conversion rate of 5-20% is first prepared through preliminary polymerization and then a vinyl chloride monomer is introduced into the vinyl chloride polymerization seed to polymerize (main polymerization) a vinyl chloride polymer.

Abstract: Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.

Abstract: A cleaning device for a substrate transfer device comprises a traveling unit configured to travel along a rail having first and second areas, a rail unit including the rail and a rail structure disposed on the rail, and a rinsing unit including a suction part disposed on the rail and that rotates about a suction nozzle. When the rinsing unit is placed in contact with the rail structure, the suction part rotates about the suction nozzle.

Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.

Abstract: Various embodiments of the present invention relate to an electronic device comprising a wireless communication circuit, and a portable communication device.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted. At the generating of the prediction information, the prediction information is generated by using the information on the coding unit neighboring to the current coding unit.

Abstract: Various embodiments of the present invention relate to an electronic device comprising a wireless communication circuit, and a portable communication device.

Abstract: Provided are a fingerprint controller for driving a fingerprint sensing array in a touchscreen divided by at least a touch sensing region and a fingerprint sensing region, a method of operating the fingerprint controller, and a driver integrated circuit for driving the touchscreen including the fingerprint sensing array. The method includes: receiving a reference timing signal from an external module; generating a fingerprint sensing timing signal for driving the fingerprint sensing array in synchronization with the reference timing signal; and driving the fingerprint sensing array based on the fingerprint sensing timing signal.

Abstract: Provided are a fingerprint controller for driving a fingerprint sensing array in a touchscreen divided by at least a touch sensing region and a fingerprint sensing region, a method of operating the fingerprint controller, and a driver integrated circuit for driving the touchscreen including the fingerprint sensing array. The method includes: receiving a reference timing signal from an external module; generating a fingerprint sensing timing signal for driving the fingerprint sensing array in synchronization with the reference timing signal; and driving the fingerprint sensing array based on the fingerprint sensing timing signal.

Abstract: An operating method of an optical fingerprint sensor, an operating method of an electronic device including the optical fingerprint sensor, and a display device including the optical fingerprint sensor are disclosed. The method of operating a fingerprint sensor, wherein the fingerprint sensor senses a fingerprint image based on light reflected from a fingerprint, may include transmitting a first signal indicating a first request to turn on light emission, to a display driving circuit which drives a display panel disposed on the fingerprint sensor, scanning an object on the display panel, based on light irradiated from the display panel, and transmitting, to the display driving circuit, a second signal indicating a second request to turn off the light emission.

Abstract: An apparatus for adjusting a head gap of an inkjet printer includes: a main frame; an eccentric shaft rotatably disposed on the main frame, and including an eccentric supporting shaft; a head assembly movably disposed on the eccentric shaft, and including a print head for supplying ink onto a printing medium for printing on the printing medium; a head gap detecting sensor for detecting the head gap defined between the printing medium and the print head; an eccentric shaft turning means for automatically adjusting the head gap by turning the eccentric shaft by a predetermined angle; and a controller for controlling the driving of the eccentric shaft turning means so as to compensate for the head gap detected by the head gap detecting sensor to provide a predetermined head gap corresponding to the printing medium.

Abstract: An apparatus to adjust a head gap of an ink-jet printer. The apparatus includes a shaft rotatably disposed at a main frame and having an eccentric supporting shaft, a head assembly movably disposed on the shaft and having a head to provide ink to a printing medium, a motor to provide a driving force to rotate the shaft, a worm wheel connected to the supporting shaft to rotate in association with the supporting shaft, a rotation angle control unit to restrict a rotation angle of the worm wheel to restrict a range of a head gap between the head and the printing medium, and a clutch unit to selectively transmit the driving force of the motor to the worm wheel and prevent a transmission of the driving force from the motor to the worm wheel when the worm wheel is overloaded by the rotation angle control unit.

Abstract: An apparatus to adjust a head gap of an ink-jet printer. The apparatus includes a shaft rotatably disposed at a main frame and having an eccentric supporting shaft, a head assembly movably disposed on the shaft and having a head to provide ink to a printing medium, a motor to provide a driving force to rotate the shaft, a worm wheel connected to the supporting shaft to rotate in association with the supporting shaft, a rotation angle control unit to restrict a rotation angle of the worm wheel to restrict a range of a head gap between the head and the printing medium, and a clutch unit to selectively transmit the driving force of the motor to the worm wheel and prevent a transmission of the driving force from the motor to the worm wheel when the worm wheel is overloaded by the rotation angle control unit.

Abstract: Provided is a scalable video-decoding method based on multiple layers. The scalable video-decoding method according to the present invention comprises: a step of predicting first filter information of a video to be filtered using the information contained in an object layer and/or information contained in another layer, and generating second filter information in accordance with the prediction; and a step of filtering the video to be filtered using the second filter information. According to the present invention, the amount of information being transmitted is reduced, and video compression performance is improved.