Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials or by comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having lower driving voltage, higher luminous efficiency, and/or longer lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.

Abstract: A deepfake detection device may include a data input unit that receives an input image including a low-quality deepfake video, a branch-based super-resolution training unit that enhances the resolution of the input image through unsupervised super-resolution training and generates a plurality of super-resolution images having different sizes, and a multi-scale training unit that performs multi-scale training, without resolution conversion, on the plurality of super-resolution images having different sizes, respectively. The multi-scale training unit may synthesize multi-scale training results for the plurality of super-resolution images having different sizes, respectively, and determine whether the input image is a deepfake based on the multi-scale training results.

Abstract: Rendering images on an active area of an OLED includes rendering images on the active area of the display panel with a plurality of different frame rates. For a plurality of the different frame rates having a frame rate that matches or is above a threshold frame rate, an image refresh operation is performed once per frame period and a self-refresh operation is not performed during the frame period. When rendering images on the active area, for at least one of the different frame rates having a frame rate that is lower than the threshold frame rate, an image refresh operation is performed once per frame period and a self-refresh operation is performed at least once during the frame period.

Abstract: A compound represented by the following Formula 1 or a pharmaceutically acceptable salt thereof: where R1 is a chelating agent labeled with a metallic radioisotope. A thrombus imaging composition including the compound or the pharmaceutically acceptable salt thereof labeled with a metallic radioisotope as an active ingredient.

Abstract: The present invention relates to: a composition for stabilizing a radiopharmaceutical, the composition comprising a vitamin B compound as an active component; and a radiopharmaceutical composition comprising the same. Due to the inclusion of the vitamin B compound, it is possible to stabilize the radiochemical purity of the radioactive compound by inhibiting the radioactive degradation thereof at room temperature as well as at high temperature.

Abstract: A mass spectrometry system includes a sample holder provided in a vacuum changer and on which a sample is disposed, an irradiator configured to perform sputtering or ionization on the sample, an analyzer configured to analyze an ionized sample generated from the sample by the irradiator, and a controller configured to control the irradiator or the analyzer and perform a first process and a second process. The first process is to determine position information of materials in the sample by irradiating a laser or ion beam to a portion of the sample, and the second process is to irradiate a laser or ion beam of a first output value to another portion of the sample in a section in which the materials in the sample change and irradiate a laser or ion beam of a second output value in other sections.

Abstract: A mixed gas cluster ion beam generator may include a nozzle chamber to contain a first mixed gas which is a mixed gas that is a mix of a first gas and a second gas, a cluster nozzle to spray gas received from the nozzle chamber in a cluster form, an ionizer to ionize a gas cluster sprayed by the cluster nozzle, and an ion accelerator to emit an ion beam to the outside by accelerating the gas cluster ionized by the ionizer by generating a potential difference to the ionized gas cluster.

Abstract: A mass spectrometry system includes a sample holder provided in a vacuum changer and on which a sample is disposed, an irradiator configured to perform sputtering or ionization on the sample, an analyzer configured to analyze an ionized sample generated from the sample by the irradiator, and a controller configured to control the irradiator or the analyzer and perform a first process and a second process. The first process is to determine position information of materials in the sample by irradiating a laser or ion beam to a portion of the sample, and the second process is to irradiate a laser or ion beam of a first output value to another portion of the sample in a section in which the materials in the sample change and irradiate a laser or ion beam of a second output value in other sections.

Abstract: Disclosed in an embodiment is a pressure detection sensor comprising: an elastic layer including a hole; and an electrode layer including a plurality of electrodes arranged on the elastic layer so as to be spaced apart, wherein the elastic layer includes a variable member arranged in the hole, the plurality of electrodes are electrically connected to each other by outside pressure, and at least one of the plurality of electrodes covers a part of the hole.

Abstract: Disclosed is a coil width control method including: a step in which a control unit generates a prediction model for predicting the width shrinkage of a coil, which occurs in the heat-treatment process and post-treatment process of a cold-rolled steel sheet production process, on the basis of historical operating results; a step in which the control unit receives the input width of the coil entering the heat-treatment process; and a step in which the control unit predicts the output width of the coil after the post-treatment process on the basis of the received input width and the conditions of the cold-rolled steel sheet production process, and controls in-furnace temperature and in-furnace tension of the heat-treatment process and elongation of the post-treatment process.

Abstract: An electronic device is provided which includes a power input unit including a first power input unit and a second power input unit, a switching unit including a first switching circuit connected with the first power input unit and a second switching circuit connected with the second power input unit, and a controller configured to receive selection information for selecting a power source to supply power to a load unit included in the electronic device of a first power source and a second power source, wherein the first power source and the second power source are connected with the first power input unit and the second power input unit, respectively, and control the switching unit to connect the first power source to the load unit according to the selection information.

Abstract: Disclosed is a device for generating an organic molecular cluster ion beam, the device including a receiver configured to accommodate an organic material, a cluster generator configured to generate a cluster by supersonic expanding the organic material accommodated in the receiver at a high speed, a photo-ionizer configured to temporarily accommodate the cluster that is generated through the cluster generator, an ultraviolet (UV) light source configured to irradiate an UV pulse to the photo-ionizer to ionize the cluster, and entrance electrodes disposed at both sides of the photo-ionizer and configured to provide a potential difference to the photo-ionizer to generate a cluster ion beam.

Abstract: An ion beam generating device includes a liquid metal ion source configured to melt metal and emit an ion beam, and an extractor disposed under the liquid metal ion source and configured to extract the ion beam emitted from the liquid metal ion source. The liquid metal ion source includes a storage configured to accommodate the metal, an emitter configured to receive the metal from the storage and emit the ion beam, and a heater configured to heat the emitter or the storage. The heater is configured to directly heat the metal accommodated in the storage to melt the metal into a liquid state, and an amount of the ion beam to be extracted is controlled by a voltage difference that changes based on a distance between the emitter and the extractor.

Abstract: A method for preparing a radiopharmaceutical and, specifically, a method for preparing an organic fluoride-aliphatic compound usable as a radiopharmaceutical, a method for purifying the prepared organic fluoride-aliphatic compound, and a method for preparing a radiopharmaceutical by using a cassette comprising a backdraft preventing reaction container. A method for preparing an organic fluorinated aliphatic compound includes allowing a fluorine salt to react with a leaving group-containing aliphatic compound by using a multifunctional solvent represented by the following Chemical Formula 1 to obtain an aliphatic compound labeled with [18F] fluoride substituting for the leaving group. The organic fluoride-aliphatic compound can be prepared and purified through even a simple process at high yield, high efficiency, and high purity, and the radiopharmaceutical can be safely prepared without damage to a synthetic apparatus.

Abstract: Disclosed is a device for generating an organic molecular cluster ion beam, the device including a receiver configured to accommodate an organic material, a cluster generator configured to generate a cluster by supersonic expanding the organic material accommodated in the receiver at a high speed, a photo-ionizer configured to temporarily accommodate the cluster that is generated through the cluster generator, an ultraviolet (UV) light source configured to irradiate an UV pulse to the photo-ionizer to ionize the cluster, and entrance electrodes disposed at both sides of the photo-ionizer and configured to provide a potential difference to the photo-ionizer to generate a cluster ion beam.

Abstract: Disclosed in an embodiment is a pressure detection sensor comprising: an elastic layer including a hole; and an electrode layer including a plurality of electrodes arranged on the elastic layer so as to be spaced apart, wherein the elastic layer includes a variable member arranged in the hole, the plurality of electrodes are electrically connected to each other by outside pressure, and at least one of the plurality of electrodes covers a part of the hole.

Abstract: The present invention relates to a method for labelling fluorine-18, which is a radioisotope, and more specifically, to a method for labelling a [18F]fluoride in a method for preparing an organic [18F]fluoro compound by reacting an alkyl halide or an alkyl sulfonate with a [18F]fluoride, wherein a [18F]fluoride supported on a quaternary alkyl ammonium polymer support is eluted using a solution containing a metal salt or a quaternary ammonium salt with an adjusted pH, and a base is not additionally used. The present invention enables a labeling reaction without an additional base after precisely reflecting the concentration of a base absolutely necessary for the nucleophilic substitution of a [18F]fluoride or eluting a [18F]fluoride using a [18F]fluoride eluent with an adjusted pH, thereby stably obtaining a [18F]fluoride-labelled compound in a high yield, and is thus useful for production of fluorine-18-labelled radioactive medical supplies.

Abstract: An inorganic filler included in an epoxy resin composition includes a coating layer formed on a surface thereof, and the surface of the coating layer includes at least two elements selected from the group consisting of C, N and O.