Abstract: Provided are a polyurethane foam composition with excellent flame retardancy, a polyurethane foam containing the same, and an automotive internal material. Specifically, the polyurethane foam composition, according to an exemplary embodiment of the present disclosure, contains: 50 to 70 wt % of a polyol mixture containing a polyol, a phosphorus-based flame retardant containing hydroxyl groups (—OH) at both terminals, a carbon-based flame retardant, a foaming agent, and an additive; and 30 to 50 wt % of an isocyanate.

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 security-enhanced vehicle authentication system enables user authentication only through a device previously registered in a security server. The vehicle authentication system includes: a vehicle controller configured to be installed in a vehicle and to determine whether to allow the vehicle to be driven through user authentication; a user terminal configured to generate authentication data related to the user authentication and to transmit the authentication data to the vehicle controller; and a security server configured to generate a secret key and an encryption key for generating the authentication data. The security server may generate the secret key and the encryption key using unique information of at least any one of the vehicle controller or the user terminal.

Abstract: The present invention relates to a substrate processing apparatus including: a chamber; a first electrode disposed on the chamber; a second electrode disposed under the first electrode, the second electrode including a plurality of openings; a plurality of protrusion electrodes extending from the first electrode to the plurality of openings of the second electrode; a substrate supporter being opposite to the second electrode and supporting a substrate; a first discharging region between a lower surface of the first electrode and an upper surface of the second electrode; a second discharging region between a side surface of the protrusion electrode and an opening inner surface of the second electrode; a third discharging region between a lower surface of the protrusion electrode and the opening inner surface of the second electrode; and a fourth discharging region between the second electrode and the substrate, wherein plasma is generated in at least one region of the first to fourth discharging regions.

Abstract: The present invention relates to a method of manufacturing a micropattern surface with a reentrant structure with hydrophobicity and oleophobicity through a simple process using capillary force. The method of the present invention includes a step of forming a resin layer by applying an ultraviolet rays (UV) curable resin on a first substrate; a step of forming a pillar-shaped fine pattern on a second substrate; a step of bringing the resin layer and the fine pattern into contact with each other by moving the first substrate or the second substrate so that the resin layer and the fine pattern face each other; and a step of curing the resin by radiating ultraviolet rays while the resin located around a pillar of the fine pattern moves a certain distance along the pillar in the longitudinal direction of the pillar of the fine pattern by capillary force.

Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: An apparatus for controlling an Ethernet switch for a vehicle may include: a switch state detection unit configured to acquire a clock of an Ethernet switch; and a processor configured to determine whether the clock of the Ethernet switch detected by the switch state detection unit has been changed. In particular, the processor is configured to set an Ethernet interface according to the changed clock of the Ethernet switch when the clock of the Ethernet switch has been changed.

Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: The present invention relates to a process for manufacturing a shoe rubber outsole using a special heat and pressure stable water-based polyurethane dispersion adhesive without a pre-treatment of UV irradiation or plasma, as well as a process for manufacturing a shoe using the outsole manufactured as described herein and an PUD-based adhesive composition for the described processes.

Abstract: Provided is a fabricating method of a pattern, which includes preparing a first substrate having a first width and a first thickness, stretching the first substrate and preparing a second substrate having a second width and a second thickness, forming a base layer made of a material of a pattern which will be formed on the second substrate, removing a predetermined region of the base layer and forming a first pattern having a first line width and a first height on the second substrate, and removing a tensile force applied to the second substrate to restore the second substrate back to being the first substrate and forming a second pattern having a second line width and a second height on the first substrate.

Abstract: Provided is a fabricating method of a pattern, which includes preparing a first substrate having a first width and a first thickness, stretching the first substrate and preparing a second substrate having a second width and a second thickness, forming a base layer made of a material of a pattern which will be formed on the second substrate, removing a predetermined region of the base layer and forming a first pattern having a first line width and a first height on the second substrate, and removing a tensile force applied to the second substrate to restore the second substrate back to being the first substrate and forming a second pattern having a second line width and a second height on the first substrate.

Abstract: The present invention relates to a welding device which includes a welding power source provided with a power supply circuit; a wire feeder connected to the welding power supply to supply wire; a torch which pulls the wire supplied from the wire feeder and supplies the wire to a welding part; an IR thermal camera which captures the welding part; a vision module having built-in program which receives and processes a captured image of a IR thermal camera; and a slag removal device which removes slag detected in the welding part in real time in conjunction with the vision module. The welding device has an effect in which slag generated during welding can be removed before the slag is fixed on the molten pool.

Abstract: Provided is a printing apparatus including: a printing roller whose outer circumferential surface is coated with ink; a cliché roller which rotates in engagement with the printing roller and forms first patterns on the printing roller by removing portions of the ink coated on the outer circumferential surface of the printing roller and on which second patterns which are the removed portions of the ink are formed; a first transfer substrate onto which the first patterns of the printing roller are transferred; and a second transfer substrate onto which the second patterns of the cliché roller are transferred. The printing apparatus can reduce the time required for a product production process by omitting a cliché cleaning process.

Abstract: The present invention relates to a MIG welding system including: operating a vision module and a welding device; capturing a thermal image of a welding part using an IR thermal camera connected to the vision module, converting the image into a video signal, and transmitting the video image to the vision module; detecting whether there is slag through the vision module; determining whether the detected slag is fixed when the slag is detected through the vision module; and analyzing the position of the slag and calculating a coordinate value when it is determined that the detected slag is fixed. Even if the slag is not checked with the naked eye, the operator can determine the position of the fixed slag which is not checked with the naked eye through the calculated coordinate values.

Abstract: The present invention relates to a welding device which includes a welding power source provided with a power supply circuit; a wire feeder connected to the welding power supply to supply wire; a torch which pulls the wire supplied from the wire feeder and supplies the wire to a welding part; an IR thermal camera which captures the welding part; a vision module having built-in program which receives and processes a captured image of a IR thermal camera; and a slag removal device which removes slag detected in the welding part in real time in conjunction with the vision module. The welding device has an effect in which slag generated during welding can be removed before the slag is fixed on the molten pool.

Abstract: Provided is a printing apparatus including: a printing roller whose outer circumferential surface is coated with ink; a cliché roller which rotates in engagement with the printing roller and forms first patterns on the printing roller by removing portions of the ink coated on the outer circumferential surface of the printing roller and on which second patterns which are the removed portions of the ink are formed; a first transfer substrate onto which the first patterns of the printing roller are transferred; and a second transfer substrate onto which the second patterns of the cliché roller are transferred. The printing apparatus can reduce the time required for a product production process by omitting a cliché cleaning process.

Abstract: Disclosed herein is a patterning mold configured to form a micropattern on a substrate or glass. The disclosed patterning mold includes a transfer body with a patterning part formed at one end of the transfer body to transfer a nanoparticle material to one surface of the substrate. The patterning mold further includes a fixing member coupled to an exterior of the transfer body, to prevent or reduce deformation of the exterior of the transfer body.

Abstract: Disclosed is a substrate alignment apparatus capable of performing coarse and fine alignments of a substrate in a progressing route to remove or reduce an alignment error between the substrate and a pattern roll. The coarse alignment may be performed by moving a frame using a stage when the alignment error is relatively large, and the fine alignment may be performed by moving subsidiary rollers of a roller unit relative to a main roller of a roller unit when the alignment error is relatively small. An example substrate alignment apparatus may include a frame and a roller unit rotatably fixed to the frame to support a substrate, wherein the roller unit includes a main roller, and at least one subsidiary roller fixed to the main roller such that the at least one subsidiary roller can move relative to the main roller to align the substrate.

Abstract: In forming a pattern on a substrate with reduced pattern error using a mold having an area smaller than an area of the substrate, a first resin pattern is formed on at least a first of a plurality of regions of an etching object layer by imprinting resin applied to the etching object layer using a first mold The etching object layer is then etched using the first resin pattern as an etching mask. A second resin pattern is formed on at least a second of the plurality of regions by imprinting resin applied to the etching object layer using a second mold. The etching object layer is again etched using the second resin pattern as an etching mask.

Abstract: Disclosed herein is a roll-to-roll patterning apparatus and a patterning system using the same. The patterning system may include a supply roll to supply a film member, a recovery roll to recover the film member, and a roll-to-roll patterning apparatus forming a coating on the film member. The roll-to-roll patterning apparatus may include a pattern roller, a plurality of press rollers, and an alignment roller. The pattern roller may include an outer peripheral surface with a first pattern. The plurality of press rollers may press a film member against the pattern roller to form a second pattern on the film member. The alignment roller may be spaced apart from the pattern roller and may be arranged at an upstream position in a movement direction of the film member. The alignment roller may align the film member entering a region between the pattern roller and the plurality of press rollers.