Abstract: The semiconductor device includes a substrate, a stack structure including gate patterns and interlayer insulating films that are alternately stacked on the substrate, an insulating pillar extending in a thickness direction of the substrate within the stack structure, a polycrystalline metal oxide film extending along a sidewall of the insulating pillar between the insulating pillar and the stack structure, a liner film having a transition metal between the insulating pillar and the polycrystalline metal oxide film, and a tunnel insulating film, a charge storage film, and a blocking insulating film which are disposed in order between the polycrystalline metal oxide film and the gate patterns.

Abstract: A vehicle safety support system is provided. The vehicle safety support system according to some embodiments of the present disclosure can track and display the location of the object related to the vehicle, thereby assisting objects surrounding the vehicle to recognize the object related to the vehicle. Accordingly, it is possible to support the object related to the vehicle to safely get on and off the vehicle. Further, the vehicle safety support system according to some embodiments of the present disclosure can support the objects around the vehicle to perform safe passage or safe driving by providing various types of information related to the vehicle through an external display.

Abstract: The present invention relates to a medium composition for culture of extraembryonic endoderm stem cells, and more specifically, to a medium composition for in vitro culture of extraembryonic endoderm stem cells.

Abstract: An all-solid-state secondary battery includes a cell stack having a stack structure, and a protective member including a first thermoplastic resin layer, a second thermoplastic resin layer, and a third thermoplastic resin layer sequentially stacked, and being disposed on a peripheral portion, in which the cathode layer is not disposed, of the solid-state electrolyte layers, while being interposed between the two solid-state electrolyte layers disposed to be adjacent to each other such that the cathode layer is interposed between the two solid-state electrolyte layers. A glass transition temperature of the first thermoplastic resin layer and a glass transition temperature of the third thermoplastic resin layer are lower than a glass transition temperature of the second thermoplastic resin layer.

Abstract: The present technology includes: a current mirror configured to apply a test current that is generated by a test voltage to a selected word line, among a plurality of word lines, and to generate a copy current by copying the test current; a comparison circuit configured to compare at least one reference current with the copy current to generate a comparison result signal; and a test control circuit configured to perform a first noise control mode that charges unselected word lines, among the plurality of word lines, with electric charges, in response to a test mode signal and floats the unselected word lines.

Abstract: The present disclosure relates to a wavy smoke tube structure of a boiler, which improves heat exchange efficiency of a smoke tube. The wavy smoke tube structure includes: a main body formed in a columnar shape and having a space therein; a plurality of first concave portions concavely formed along a first side portion in a longitudinal direction of the main body; a plurality of second concave portions concavely formed along a second side portion in the longitudinal direction of the main body opposite to the first side portion and each positioned between a pair of the first concave portions to face them; and a plurality of blocking grooves formed in a pair of sidewall portions provided between the first side portion and the second side portion.

Abstract: A flexible display panel of an expandable display device includes a first side with a display unit, and a second side opposite to the first side. A bending guide includes an external guide that faces part of the first side and has a first curved side, and an internal guide that faces part of the second side and has a second curved side. A slider that slides on the bending guide is attached to one end portion of the flexible display panel. A radius of the first curved side is greater than a radius of the second curved side. When the slider moves toward the bending guide, the first side contacts the first curved side and is bent by the first curved side, and when the slider moves away from the bending guide, the second side contacts the second curved side and is bent by the second curved side.

Abstract: A film depositing composition including a Group 4 metal element-containing precursor compound and a method for forming a Group 4 metal element-containing film using same is described. The use of the film depositing composition including a Group 4 metal element-containing precursor compound achieves self-limiting film growth of ALD over a wide temperature range from low to high temperatures, enabling the formation of a Group 4 metal element-containing film for various purposes at various process temperatures. Particularly, according to the method for forming a Group 4 metal element-containing film of this invention, the growth per cycle (GPC) of ALD is consistent over a broad temperature range, thus making it possible to form a Group 4 metal element-containing film of uniform thickness even on surfaces with large aspect ratio trenches. Thus, the method can be advantageously utilized in manufacturing various semiconductor devices, such as DRAM, 3D NAND flash memory, and the like.

Abstract: A power circuit includes a plurality of regulators and a plurality of in-rush current controllers. The plurality of regulators is coupled to an external power voltage and configured to adjust a level of an input voltage to generate a plurality of internal power voltages. The plurality of in-rush current controllers is configured to provide the input voltage to the plurality of regulators, the input voltage corresponding to an increasement voltage. The increasement voltage has a level rising at a preset rate until the plurality of internal power voltages all reach a target level.

Abstract: A display device includes: a display module, a lifting part disposed on a rear surface of the display module and connected to the display module, and a drive belt connected to the lifting part and which moves in a first direction to extend and retract the lifting part in the first direction. The drive belt moves along a guide groove that is defined in the lifting part and that is open in the first direction.

Abstract: Provided is a method of selecting a high-definition image frame of a video by using dynamic information, more particularly, a method of selecting a relatively high-definition image frame from among image frames included in a video by using dynamic information of a camera that has captured the video. The method of selecting a high-definition image frame of a video by using dynamic information has the advantage of quickly and effectively obtaining a large amount of image information from a captured video, and effectively select only image frames with a relatively high definition from among image frames included in the video. In addition, the method of selecting a high-definition image frame of a video by using dynamic information has the advantage of quickly and effectively extracting image frames with a high definition from among image frames included in a video, through a relatively small amount of computation.

Abstract: An embodiment battery system reinforcement apparatus includes a case, a plurality of battery modules mounted in multiple stages in the case, a plurality of cooling blocks respectively attached to the battery modules and defining a cooling passage, and a support member disposed in contact with an outer side of the battery modules and connected to the battery modules or the cooling blocks to support the battery modules and the cooling blocks.

Abstract: Provided is a polycarbonate resin having a relaxation time of 2 seconds to 15 seconds at 250° C. and a residual phenol content of 3,000 ppm or less.

Abstract: An embodiment battery system cooling apparatus includes a lower case, a plurality of battery modules mounted in multiple stages on an outer surface of the lower case, a plurality of cooling blocks respectively attached to outer surfaces of the battery modules and defining a cooling passage, an upper case coupled to the lower case and covering the battery modules and the cooling blocks, and a cooling hose respectively connected in parallel to the cooling blocks on an outside of the upper case, the cooling hose including an inlet and an outlet for circulation of a cooling medium.

Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.

Abstract: A battery pack for a vehicle may include: a plurality of battery modules arranged on a plane; a lower case forming an accommodation space surrounding the lower and lateral portions of the plurality of battery modules; a pack cover coupled to the upper portion of the lower case so as to cover the upper portion of the accommodation space; a plurality of inner members provided in the accommodation space to separate the plurality of battery modules; and a heat blocker provided between the pack cover and the inner members so as to thermally isolate the battery modules separated by the inner members.

Abstract: A polymer having a UV-responsive self-healing function at room temperature and its manufacturing method are disclosed herein. More specifically, the solid dynamic crosslinked polymer with a UV-responsive self-healing function is capable of being repaired and reprocessed through a dynamic exchange reaction of disulfide induced under exposure to UV radiation at ambient temperature when damaged after curing. The novel polymer with a UV-responsive self-healing function is capable of self-healing simply through UV exposure at ambient temperature. Therefore, it can be utilized in the recycling of thermosetting resins that are environmentally challenging to recycle in the plastic industry, and furthermore, serve as an alternative to address various environmental issues.

Abstract: There is provided an antenna beam detection and monitoring apparatus which uses a beam intensity detection sheet with patterned coupling lines. The antenna beam detection apparatus according to an embodiment includes: a sheet which is disposed on an upper end of a beam radiation surface of an antenna and has a plurality of coupling lines formed therein to allow beams radiated from the antenna to be coupled thereto; and a plurality of detectors configured to measure intensities of beams coupled to the coupling lines, respectively, by using the beams radiated from the antenna. Accordingly, it is possible to monitor performance of an antenna in real time with a small-sized device and a low cost even when the antenna is operating.

Abstract: A display device includes a display module, a roller connected to a first end of the display module, and a first arm and a second arm disposed on a rear surface of the display module, spaced apart from each other, and connected to a second end of the display module. Each of the first arm and the second arm includes joint units coupled to each other and rotatable relative to each other, and a torsion spring disposed in a portion of adjacent ones of the joint units.