Abstract: The present invention relates to a process of recovering 3-hydroxypropionic acid, comprising: forming a 3-hydroxypropionate crystal in a concentrate containing 3-hydroxypropionic acid in the presence of an alkali metal salt, preparing a solution containing 3-hydroxypropionate crystal separated from the concentrate, stirring an acid and the solution containing 3-hydroxypropionate crystal to form a precipitate, and subjecting the precipitate to a first washing, and a slurry composition comprising a precipitate prepared in the process of recovering 3-hydroxypropionic acid and 3-hydroxypropionic acid.

Abstract: A display device is disclosed that includes pixels, a memory, and a degradation compensator. The pixels include light emitting elements. The memory is operable to store degradation information including degradation degrees of the light emitting elements. The degradation compensator is operable to receive the degradation information and generate output grayscales by changing each of input grayscales of the pixels in proportion to each of the degradation degrees. The degradation compensator includes a degradation information changer for changing the degradation information by decreasing a degradation degree having a variation greater than a threshold value among variations of the degradation degrees.

Abstract: Provided is a nonvolatile memory device. The nonvolatile memory device includes a conductive plate, a barrier conductive film extending along a surface of the conductive plate, a mold structure including a plurality of gate electrodes sequentially stacked on the barrier conductive film, a channel hole penetrating the mold structure to expose the barrier conductive film, an impurity pattern being in contact with the barrier conductive film, and formed in the channel hole, and a semiconductor pattern formed in the channel hole, extending from the impurity pattern along a side surface of the channel hole, and intersecting the plurality of gate electrodes.

Abstract: Provided is an organic light emitting device comprising a light emitting layer comprising an organic alloy of a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency, and lifespan: where A is a benzene ring fused with the two adjacent rings, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, Ar1-Ar5 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are defined in the specification, provided that at least one of Ar4 and Ar5 is substituted with at least one deuterium, or at least one R2 is deuterium.

Abstract: An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including an organic alloy of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.

Abstract: An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including an organic alloy of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.

Abstract: An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by the following Chemical Formula 1 and a compound represented by the following Chemical Formula 2, is provided.

Abstract: An organic light emitting device having improved efficiency, driving voltage, and lifespan is provided. The organic light emitting device comprises an anode, a cathode, and a light emitting between the anode and the cathode, and the light emitting layer comprises a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.

Abstract: A graft copolymer, and a graft copolymer composition having excellent particulate dispersibility in a curable resin such as an epoxy resin and is applicable as a particulate impact reinforcing agent, a curable resin composition including same, and methods of preparing them.

Abstract: A compound represented by Chemical Formula 1 and an organic light emitting device including the same are provided. The compound is used as a material for an organic material layer of the organic light emitting device, and provides improved efficiency, low driving voltage, and increased lifespan of the organic light emitting device.

Abstract: An embodiment vehicle door opening/closing system includes an inner panel defining a door open portion of a vehicle, the inner panel including an installation groove having a protruding or recessed shape, a driving device disposed in the installation groove of the inner panel, and a link mechanism installed on a chassis through a rotating shaft, a first end of the link mechanism being connected to the driving device such that power is transferred thereto, and a second end of the link mechanism being connected to a door such that, during driving of the driving device, the link mechanism rotates with reference to the rotating shaft to open/close the door.

Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.

Abstract: The present invention relates to a graft copolymer, and to a core-shell type graft copolymer comprising: a core comprising a rubbery polymer; and a shell formed by graft polymerizing a graft monomer to the rubbery polymer, wherein the graft copolymer comprises the core in 72 wt % to 83 wt %, the core has an average particle diameter of 250 nm or more, and the shell has a weight average molecular weight of 40,000 g/mol or less, a curable resin composition including the same, and methods of preparing them.

Abstract: A roof rack apparatus for a vehicle includes a roof rack mounting bracket, a roof rack stanchion, a roof rack side rail, and a roof rack pad, such that it is possible to ensure structural durability further improved by a fastening force between an insert bolt and a bracket fixing bolt at the time of assembling the roof rack apparatus with a vehicle body. The roof rack mounting bracket is symmetric in a forward/rearward direction and a leftward/rightward direction with respect to a center of the insert bolt, such that the roof rack apparatus may be used in common. An operator may replace the roof rack with a new roof rack without detaching an interior material (head lining) in the vehicle, such that it is possible to prevent damage to the interior material at the time of replacing and repairing the roof rack.

Abstract: A roof rack apparatus for a vehicle includes a roof rack mounting bracket, a roof rack stanchion, a roof rack side rail, and a roof rack pad, such that it is possible to ensure structural durability further improved by a fastening force between an insert bolt and a bracket fixing bolt at the time of assembling the roof rack apparatus with a vehicle body. The roof rack mounting bracket is symmetric in a forward/rearward direction and a leftward/rightward direction with respect to a center of the insert bolt, such that the roof rack apparatus may be used in common. An operator may replace the roof rack with a new roof rack without detaching an interior material (head lining) in the vehicle, such that it is possible to prevent damage to the interior material at the time of replacing and repairing the roof rack.

Abstract: Disclosed are a refractive optical screen and a floating hologram system using the same. The refractive optical screen is a refractive optical screen which refracts incident light beams and adjusts a travelling direction of the light beams, and includes a prism array in which a plurality of prisms refracting one or more light beams toward a viewing direction of a viewer located at the front side of the refractive optical screen is arranged in a line, and one or more virtual images generated by the one or more refracted light beams simultaneously form a floating hologram arranged in the viewing direction.

Abstract: A hydro engine mount for a vehicle may include a locking body including a plurality of locking portions; a body plate including a plurality of fastening grooves configured to be fastened to the plurality of locking portions, wherein a main rubber is mounted in the body plate; and a diaphragm stacked between the main rubber and the locking body.

Abstract: A method for path routing according to an embodiment of the present disclosure may include selecting a first start point and a first end point with which path routing is performed in a circular frame generated by connecting all points included in one or more start point sets included in a layer, one or more end point sets paired with the start point set, and one or more edge point pair sets to one closed curve, generating a connectivity graph by connecting edge points included in one or more nodes corresponding to segments obtained by dividing the circular frame into one or more regions, and connecting the first start point and the first end point based on a cost for connecting the first start point and the first end point calculated using the connectivity graph.

Abstract: A method for path routing according to an embodiment of the present disclosure may include selecting a first start point and a first end point with which path routing is performed in a circular frame generated by connecting all points included in one or more start point sets included in a layer, one or more end point sets paired with the start point set, and one or more edge point pair sets to one closed curve, generating a connectivity graph by connecting edge points included in one or more nodes corresponding to segments obtained by dividing the circular frame into one or more regions, and connecting the first start point and the first end point based on a cost for connecting the first start point and the first end point calculated using the connectivity graph.

Abstract: A three-dimensional image projection apparatus includes a display having a first output section that outputs a first hologram image and a second output section that outputs a second hologram image, and a prism array that is located in front of the display and refracts light rays of the first hologram image and the second hologram image, and the prism array is slanted at a first angle relative to the display.