Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device.

Abstract: According to an embodiment of the inventive concept, a method for matching an actual surgical image and a 3D-based virtual surgical simulation environment, which is performed by an apparatus, includes setting POI information during surgery at each of surgery steps in a pre-stored surgical image obtained by performing surgery the same as the actual surgical image, matching the POI information with a virtual pneumoperitoneum model of a patient, which is used for the 3D-based virtual surgical simulation environment, the virtual pneumoperitoneum model being displayed on a UI, recognizing a real-time surgery step of the actual surgical image and determining a location of the POI information for the respective recognized surgery step, and obtaining and displaying image information, which is captured by moving a location of an endoscope inserted into the virtual pneumoperitoneum model to the same location as the determined location of the POI information, through the UI.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: [Chemical Formula 1] wherein: L1 is a direct bond or a substituted or unsubstituted arylene group; L2 is a substituted or unsubstituted arylene group; two or more of X1 to X3 are N and any remaining is CR?; Np is Chemical Formula 2: [Chemical Formula 2] wherein: the dotted lines “------” are positions of attachment of Chemical Formula 2 where one is bonded to L1 and the other is bonded to L2 of Chemical Formula 1; and the other substituents are as defined in the specification; and an organic light-emitting device including the same. A light emitting device that includes the compound of Chemical Formula 1 in an organic material layer exhibits high efficiency and long service life.

Abstract: Provided is composition for preventing and treating depression, including complex extracts of Zizyphi spinosi Semen, Jujubae Fructus, Hordei Fructus Germinatus, Glycyrrhizae Radix et Rhizoma, Angelicae Gigantis Radix, and Beta vulgaris as active ingredients. The complex extracts including Zizyphi spinosi Semen, Jujubae Fructus, Hordei Fructus Germinatus, Glycyrrhizae Radix et Rhizoma, Angelicae Gigantis Radix, and Beta vulgaris have an antidepressant effect and an effect on the expression of proteins related to antidepressant action. The complex extracts of the present disclosure may be effectively used as a composition for preventing and treating depression.

Abstract: Provided is a composition for anti-inflammatory, antioxidant, anti-wrinkle or hair health promotion containing an extract mixture of Ziziphus jujuba Miller, Citrus unshiu Peel, and Acorus calamus as an active ingredient. The extract mixture of Ziziphus jujuba Miller, Citrus unshiu Peel, and Acorus calamus decreases the expression of MMP-1 and MMP-13 in fibroblasts and decreases the expression and production of IL-1P and IL-6 by LPS in macrophages to have anti-inflammatory and anti-wrinkle effects. In addition, the extract mixture of Ziziphus jujuba Miller, Citrus unshiu Peel, and Acorus calamus has DPPH radical scavenging activity to have an antioxidant effect. The hair using the extract mixture of Ziziphus jujuba Miller, Citrus unshiu Peel, and Acorus calamus is increased in tensile strength and has an effect of improving a cuticle layer of the hair, thereby having a hair health promotion effect.

Abstract: The present invention relates to a polymer resin composition capable of realizing properties such as excellent heat resistance while having improved coating properties in an inorganic film, a method for preparing a polymer resin film, a substrate for a display device using the polymer resin film, and an optical device.

Abstract: A semiconductor device structure and a method for manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a method for manufacturing a semiconductor device that comprises ordering and performing processing steps in a manner that prevents warpage deformation from occurring to a wafer and/or die due to mismatching thermal coefficients.

Abstract: A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, and the heterocyclic compound providing improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device.

Abstract: A missile for a hydraulic fracturing system can include a high-pressure (HP) manifold, a low-pressure (LP) manifold, and a main manifold in between. The missile is configured to simultaneously fracture three or more wells. The HP manifold has multiple input channels, an output channel, and a main channel disposed in between. The LP manifold includes a LP input channel, multiple LP output channels, and a LP manifold in between.

Abstract: Provided is a novel compound of Chemical Formula 1: where Y is O or S; D is deuterium, L is a single bond, substituted or unsubstituted C6-60 arylene, or substituted or unsubstituted C2-60 heteroarylene containing at least one of N, O and S; L1 and L2 are each independently a single bond or substituted or unsubstituted C6-60 arylene; Ar1 and Ar2 are each independently substituted or unsubstituted C6-60 aryl or substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S; and R is hydrogen or C6-60 aryl that is unsubstituted or substituted with deuterium and an organic light-emitting device including the same. An organic light-emitting device containing the compound of Chemical Formula 1 as a host material of the light emitting layer exhibits significantly improved lifespan without a decrease in efficiency.

Abstract: Provided is compound of Chemical Formula 1: wherein: each X1 is independently N or CH, provided that at least one of them is N; each X2 is independently N or CH, provided that at least one of them is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O, and S; Ar5 is a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O, and S; each R1 is independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O, and S; and n is an integer of 0 to 4, and an organic light emitting device including the same.

Abstract: The present disclosure relates to blue laser annealing equipment and an annealing manufacturing process using the same. The blue laser annealing equipment includes at least one blue laser diode controller including at least one output fiber; at least one light path module connected to an output fiber of the blue laser diode controller to process light emitted from the output fiber and direct the light to a substrate and perform a dehydrogenation process or a crystallization process on a silicon layer applied to the substrate; and a stage capable of relative motion with respect to the light path module and loading the substrate so that the dehydrogenation process and the crystallization process are performed on a surface of the substrate with respect to the light path module.

Abstract: Provided is a compound of Chemical Formula 1: wherein, in Chemical Formula 1: X1 to X6 are each independently CH or N, with the proviso that at least one of X1 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl, with the proviso that at least one of Ar1 to Ar4 is a C6-60 aryl containing deuterium as a substituent; R1 is hydrogen, deuterium, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O, and S; and n is an integer of 0 to 8, and an organic light emitting device including the using same.

Abstract: Provided is an organic light-emitting device having improved driving voltage, efficiency, and lifespan, the device comprising a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2: wherein: Y is O or S, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, A is a benzene ring fused with two adjacent rings, Ar1-Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S, provided that at least one of Ar3 and Ar4 is substituted with at least one deuterium, and the other substituents are as defined in the specification.

Abstract: An embodiment side structure of a vehicle body includes a side body, a surround panel coupled to the side body and having an opening, and a side outer panel including a plastic composite material coupled to the surround panel. In an embodiment, the surround panel includes a plurality of pillar reinforcement parts coupled to a plurality of pillars provided on the side body, a side sill reinforcement part coupled to a side sill provided on the side body and connected to the plurality of pillar reinforcement parts, and a rear wheel arch reinforcement part coupled to a rear wheel arch provided on the side body and connected to the plurality of pillar reinforcement parts.

Abstract: A method for controlling a display apparatus, including calculating at least one of a complexity or an average picture level (APL) of the received image signal, determining a final shift time of pixels based on the at least one of the calculated complexity or APL of the image signal, and shifting the received image signal in a horizontal direction or a vertical direction and outputting the shifted image signal, based on track coordinate information stored in a memory and the determined final shift time of the pixels.

Abstract: A novel heterocyclic compound of Chemical Formula 1 and organic light emitting device including the same.

Abstract: An embodiment method of manufacturing a titanium oxide-based support for a fuel cell includes preparing a sol-gel solution by mixing a titanium precursor and an ammonium-based pore control agent, preparing an ultrasonic spray solution by mixing the sol-gel solution and a transition metal precursor, allowing the ultrasonic spray solution to react by ultrasonic spray pyrolysis, and obtaining a final product by calcining a result obtained after completion of reaction.

Abstract: Provided is a compound of Chemical Formula 1: wherein: X is O or S; L is a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group; Ar1 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group; Ar2 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; R1 to R8 are the same as or different from each other, and each independently is hydrogen, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and m and n are each an integer of 0 to 7, and when m is 2 or greater, R7s are the same as or different from each other, and when n is 2 or greater, R8s are the same as or different from each other, and an organic light emitting device including the same.

Abstract: Disclosed are an apparatus and method for determining an insertion position of a trocar on a three-dimensional virtual pneumoperitoneum model of a patient. According to the present disclosure as above, the present disclosure may determine a disposition position of the trocar on the pneumoperitoneum model of the patient, which is used in the same surgical simulation as during the actual surgery, the body of the patient, the positions of the surgical tools, the distances to organs, the angles, and the like may be predicted with a high accuracy through the same camera (endoscope) as the actual surgery.