Abstract: The present application provides a polyimide powder in which a conductive filler is uniformly dispersed within particles, and a polyamic acid varnish that is prepared from the powder and capable of implementing a polyimide molded article that not only has excellent moldability and processability, but also has excellent conductivity, tensile strength, elongation, and elastic modulus.

Abstract: The present invention relates to a three-dimensional reconstructing method of a 2D medical image. A three-dimensional reconstructing device includes: a communicator for receiving sequential 2D images with an arbitrary slice gap; a sliced image generator for generating at least one sliced image positioned between the 2D images based on a feature point of the adjacent 2D images; and a controller for reconstructing the 2D image into a 3D image by use of the generated sliced image and providing the 3D image.

Abstract: The present invention relates to an integrated connector and a heat exchanger including the same, in which a connector main body is formed by pressing one pipe, a cap is press-fitted into the connector main body, such that the integrated connector is formed so that an interior of the connector main body is blocked by the cap. Therefore, the number of components used to manufacture a connector, which connects and securely couples a header tank and a gas-liquid separator, may be reduced, the integrated connector may be easily manufactured, and a brazing defect may be reduced at portions where the integrated connector is joined to the header tank and the gas-liquid separator of the heat exchanger.

Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.

Abstract: An automated gas supply system includes a gas cylinder transfer unit configured to transfer a cradle in which one or more gas cylinders storing a gas therein are stored; a gas cylinder inspection unit configured to check properties of the gas stored in the gas cylinder transferred from the gas cylinder transfer unit and check whether the gas leaks from the gas cylinder; a storage queue configured to receive the gas cylinder from the gas cylinder inspection unit by a mobile robot and configured to classify and store the transferred gas cylinders according to the properties of the gas stored in the gas cylinder; and a gas cabinet configured to receive the gas cylinder from the storage queue by the mobile robot and fasten a gas pipe, which is connected to a semiconductor manufacturing process line, to a gas spray nozzle, which is disposed at one side of the received gas cylinder, to supply the gas stored in the gas cylinder to the semiconductor manufacturing process line, wherein the gas cabinet includes a resid

Abstract: The present invention relates to a lithium secondary battery which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution, wherein a patterned gel polymer electrolyte layer is included on one surface or both surfaces of at least one structure of the positive electrode, the negative electrode, or the separator.

Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating material, a battery configured to supply power to the heater, and a controller. In addition, the aerosol generating device may further include a user input detection sensor configured to receive a user's input and a pressure detection sensor configured to sense pressure. The controller may, in response to the user's input being sensed by using the user input detection sensor, obtain an initial pressure sensing value by using the pressure detection sensor. In addition, the controller may determine a reference pressure value based on the initial pressure sensing value and determine whether a puff of the aerosol generating device has occurred based on the reference pressure value.

Abstract: One embodiment of the present specification provides a siloxane compound represented by Chemical Formula 1 below: In Chemical Formula 1, R1a and R1b are each independently a substituted or unsubstituted straight or branched-chain alkyl group having 1 to 16 carbon atoms, R2a and R2b are each independently a substituted or unsubstituted straight or branched-chain alkyl group having 1 to 16 carbon atoms, R3a and R3b are each independently a substituted or unsubstituted straight or branched-chain alkylene group having 1 to 16 carbon atoms, R4a, R4b, R5a, and R5b are each independently hydrogen, a substituted or unsubstituted straight or branched alkyl group having 1 to 16 carbon atoms, or a substituted or unsubstituted straight or branched-chain heteroalkyl group having 1 to 16 carbon atoms, m1 and m2 are each an integer from 0 to 2, and when m1 and m2 are each 0, a plurality of OR2a and OR2b are the same or different, and when m1 and m2 are each 2, a plurality of R1a and R1b are the same or different, and x

Abstract: A supporting device capable of being easily assembled and commonly supporting a washing machine, a dryer, and the like having different leg sizes and a laundry treating apparatus having the same. The laundry treating apparatus includes a laundry treating apparatus main body, a supporting device main body configured to support the laundry treating apparatus main body, a leg coupled to a bottom of the laundry treating apparatus main body, and a supporter installed in the supporting device main body, wherein the supporter includes a guide member configured to accommodate the leg and including an insertion groove, and a fixing member including a fixing protrusion to be inserted into the insertion groove, the fixing member being coupled to the guide member to fix the leg.

Abstract: A lighting device includes a light guide plate configured to guide and diffuse a light from a light source, and a garnish body including a lighting area to which the diffused light is radiated, wherein the light guide plate is disposed at a predetermined angle with respect to the garnish body.

Abstract: Provided are a method for preparing a polyetherketoneketone and a polyetherketoneketone prepared thereby, wherein, at the time of a polymerization reaction, nitrogen gas is blown into a liquid reaction medium while stirring, thereby quickly removing hydrochloric acid, which is a by-product generated during the reaction, and preventing aggregation of resin particles, thus suppressing the generation of scales.

Abstract: A portable electronic device is provided.

Abstract: An electronic device including a waterproof structure is provided. The electronic device includes a housing that includes a first face, a second face that faces in a direction substantially opposite to the first face, and a side surface that at least partially encloses a space between the first face and the second face, a middle plate arranged between the first face and the second face inside the housing to be substantially parallel to the first face, extending from the side surface, and including at least one opening, a printed circuit board arranged between the middle plate and the second face, a display arranged between the middle plate and the first face, and including a face directed toward the second face, and a seal member configured to hermetically seal the at least one opening of the middle plate, and arranged between the face of the display and the middle plate.

Abstract: A portable electronic device is provided. The electronic device includes a transparent front glass cover including a planar portion that forms a front surface of the electronic device, a planar rear glass cover that forms a rear surface of the electronic device, a metal bezel that surrounds a space formed by the front glass cover and the rear glass cover, and a flexible display device that is embedded in the space and exposed through the front glass cover. The front cover includes a left bent portion and a right bent portion on the left and right of the planar portion at the center of the front cover.

Abstract: An example device includes a housing including a first surface facing a first direction and a second surface facing a second direction; a transparent cover formed on at least a portion of the first surface of the housing; a display disposed between the transparent cover and the second surface; a sensor disposed between the display and the second surface; and a control circuit, electrically connected to the sensor, for controlling the sensor, wherein the display can include: a first region including a plurality of pixels capable of displaying color; and a second region aligned on at least a portion of the sensor such that light acquired from the outside of the electronic device passes through the sensor.

Abstract: An example portable electronic device includes a front glass cover; a rear cover; a bezel surrounding a space defined by the front cover and the rear cover, the bezel including a portion including an opening; a display device built in the space; and a plate including a plane parallel to the front cover within the space. The example electronic device includes a key movably inserted in the opening; a support structure mounted on the plate or a portion of the bezel and including a hole through which the key passes; a dome button mounted on the support structure and arranged to face the first surface of the key and the hole so that the key can be pressed; and a waterproof structure including a flexible material.

Abstract: A wheel disc including a bolt hole for bolt fastening, includes a first region extending to have a predetermined width in a circumferential direction of the bolt hole and a second region, other than the first region, wherein the first region has an average tensile strength lower than that of the second region.

Abstract: An unmanned aerial comprises: a motor and a propeller assembly connected to the motor comprising: a first structure fixed to the motor, having a cylindrical wall defining an inner space, with a helical slit formed through the cylindrical wall; a second structure comprising a cylinder portion, a part of which is rotatably positioned in the inner space, and at least one protruding portion protruding from the outer surface of the cylinder portion to the outside of the cylindrical wall through the helical slit; and a propeller comprising a cylindrical hub engaging with the cylinder portion of the first structure, rotating blades extending from the cylindrical hub, and at least one rib extending from the cylindrical hub toward the motor, the propeller being configured such that at least a part of the rib detachably engages with the first structure by the at least one protruding portion of the second structure.

Abstract: According to various examples of the present invention, an electronic device can comprise: a housing including a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding at least a part of a space between the first surface and the second surface; a display device formed on at least one of the first surface and the second surface; an opening formed on at least one of the first surface, the second surface, and the side surface; a module mounted inside the housing not to be exposed; and a guide member disposed inside the housing between the module and configured to provide output of the module to outside through the opening. Additionally, the electronic device can be variously implemented according to examples.

Abstract: An electronic device including a waterproof structure is provided. The electronic device includes a housing that includes a first face, a second face that faces in a direction substantially opposite to the first face, and a side surface that at least partially encloses a space between the first face and the second face, a middle plate arranged between the first face and the second face inside the housing to be substantially parallel to the first face, extending from the side surface, and including at least one opening, a printed circuit board arranged between the middle plate and the second face, a display arranged between the middle plate and the first face, and including a face directed toward the second face, and a seal member configured to hermetically seal the at least one opening of the middle plate, and arranged between the face of the display and the middle plate.