Abstract: An aspect of the present invention is to provide a fluorine-based polymer showing a significantly low dielectric constant of less than 1.8 and a fluorine-based polymer composition including the same. The fluorine-based polymer provided in an aspect of the present invention shows a very low dielectric constant, wherein the polymer is not only a pollution-reducing material generating no harmful substance, but may also be utilized as a coating material in various fields due to high adhesiveness. Furthermore, a polymer film employing the polymer as a material has a volume resistance of about 5.8×1015 Ohmcm, showing an excellent resistance value as an insulating material.

Abstract: Described is a sliding device allowing a user to switch between an electric sliding mode and a manual sliding mode as needed and including a guide rail module, a sliding rail slidably coupled to the guide rail module, a rail driving module coupled to the sliding rail and configured to move the sliding rail along the guide rail module by driving of a motor, and a sliding mode switching module configured to switch an operation mode of the sliding rail from an electric sliding mode to a manual sliding mode by blocking a driving force of the rail driving module from being transmitted to the sliding rail. The sliding device may be used for sliding a storage box for a vehicle.

Abstract: Provided is a method and apparatus for checking the oil filling of an electronic clutch provided in a vehicle transmission. This approach determines the presence of air inside a hydraulic cylinder or clutch tube based on the current value profile generated when a piston of a hydraulic actuator is driven, without a separate air detection device.

Abstract: A method of manufacturing an all-solid-state battery electrode, an all-solid-state battery electrode manufactured by the method, and an all-solid-state battery including the electrode are disclosed. In the method, a specific type of binder included in the electrode is prepared in a fiber form by applying pressure to the binder under specific conditions, so that the fiber-form binder thus prepared has an average fineness that satisfies a specific range. Therefore, the all-solid-state battery including the electrode has an advantage of having high capacity even in the case of electrode thickening for high loading.

Abstract: Systems and methods in accordance with embodiments of the invention utilize technology to facilitate student question creation. Interactive platforms such as mobile phones or tablets can allow questions to be written, saved, and communicated electronically. In one embodiment, a method for collaboratively generating a question includes generating question data in response to input of a question and answer choices on a first device, sending the question data to a repository, sending the question data from the repository to a second device, displaying the question and answer choices on the second device, generating revised question data in response to input that changes the question, sending the revised question data to the repository, sending the revised question data to a third device, displaying the question and answer choices on the third device, receiving input of the selection of answer choices on the third device, and providing feedback whether the selection is correct.

Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.

Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.

Abstract: A cooking apparatus is disclosed. The cooking apparatus according to one exemplary embodiment of the present disclosure comprises: an inner wall for forming a cooking chamber; an outer wall for encompassing the inner wall; a microwave generating part for emitting a microwave at a passage, which is a space surrounded by the inner wall and the outer wall; and an absorbing layer absorbing the microwave to be propagated along the passage, so as to emit an infrared ray at the cooking chamber.

Abstract: The present disclosure is directed to providing to a smart window system capable of controlling a state of a display element (e.g., at least one of transparency, color, pattern, gradation degree, and displayed information) through various kinds of input devices and a control method thereof. In accordance with one aspect of the present disclosure, a smart window system may include a display element; an input device configured to receive a control command for the display element; and a controller configured to determine at least one of transparency, color, pattern, and gradation of the display element and information displayed on the display element on the basis of the control command.

Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.

Abstract: Systems and methods in accordance with embodiments of the invention utilize technology to facilitate student question creation. Interactive platforms such as mobile phones or tablets can allow questions to be written, saved, and communicated electronically. In one embodiment, a method for collaboratively generating a question includes generating question data in response to input of a question and answer choices on a first device, sending the question data to a repository, sending the question data from the repository to a second device, displaying the question and answer choices on the second device, generating revised question data in response to input that changes the question, sending the revised question data to the repository, sending the revised question data to a third device, displaying the question and answer choices on the third device, receiving input of the selection of answer choices on the third device, and providing feedback whether the selection is correct.

Abstract: An electronic apparatus, including an emissive display configured to provide a first image having a first image quality; a transparent display disposed on the emissive display and configured to provide a second image having a second image quality; and a controller configured to control the emissive display to provide the first image in according to first mode and control the transparent display to provide the second image according to a second mode.

Abstract: A semiconductor device includes a substrate, a plurality of gate electrodes extending in a first direction parallel to an upper surface of a substrate on the substrate, and alternately arranged with an interlayer insulating layer in a second direction perpendicular to the upper surface of the substrate, a vertical channel layer on a sidewall of a vertical channel hole extending in the second direction by penetrating through the plurality of gate electrodes and the interlayer insulating layer, and connected to the upper surface of the substrate, and a first gap-fill insulating layer formed in the vertical channel hole and including an outer wall contacting the vertical channel layer and an inner wall opposite the outer wall, wherein a part of the inner wall forms a striation extending in the second direction.

Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.

Abstract: The present invention relates to a novel compound and an organic electroluminescent device including the same, and by using the compound according to the present invention in an organic material layer of an organic electroluminescent device, preferably a light emitting layer, luminous efficiency, driving voltage, lifetime and the like of the organic electroluminescent device may be enhanced.

Abstract: One aspect of the present invention is to provide an electronic apparatus which is configured to provide a color writing function by means of the physical force of an external input means, and a control method thereof. More particularly, the present invention is to provide an electronic apparatus equipped with a plurality of liquid crystal panels in an electronic apparatus so that a plurality of colors can be written by the physical force of an external input means, and a control method thereof.

Abstract: A semiconductor device includes a stack structure on a substrate, the stack structure including interlayer insulating layers and first gate electrodes alternately stacked on each other, a semiconductor layer in an opening penetrating through the stack structure, a first dielectric layer between the semiconductor layer and the stack structure, and a lower pattern closer to the substrate than to the first gate electrodes in the stack structure, the lower pattern including a first surface facing the first dielectric layer, and a second surface facing the stack structure, the second surface defining an acute angle with the first surface, wherein the first dielectric layer includes a first portion facing the stack structure, and a second portion facing the first surface of the lower pattern, the second portion having a thickness greater than a thickness of the first portion.

Abstract: A stack structure includes conductive layer patterns and interlayer insulating layer patterns alternately stacked on one another. A channel hole penetrates the stack structure. A dielectric layer is disposed on a sidewall of the channel hole. A channel layer is disposed on the dielectric layer and in the channel hole. A passivation layer is disposed on the channel layer and in the channel hole. The channel layer is interposed between the passivation layer and the dielectric layer. An air gap is surrounded by the passivation layer. A width of the air gap is larger than a width of the passivation layer.

Abstract: A vertical memory device includes a first structure having a lower semiconductor pattern structure filling a recess on a substrate and protruding from an upper surface of the substrate in a first direction substantially perpendicular to the upper surface of the substrate, the lower semiconductor pattern structure including a first undoped semiconductor pattern, a doped semiconductor pattern, and a second undoped semiconductor pattern sequentially stacked, and a lower surface of the doped semiconductor pattern being lower than the upper surface of the substrate, and an upper semiconductor pattern extending in the first direction on the lower semiconductor pattern structure, and a plurality of gate electrodes surrounding a sidewall of the first structure, the plurality of gate electrodes being at a plurality of levels, respectively, so as to be spaced apart from each other in the first direction.

Abstract: Systems and methods in accordance with embodiments of the invention utilize technology to facilitate student question creation. Interactive platforms such as mobile phones or tablets can allow questions to be written, saved, and communicated electronically. In one embodiment, a method for collaboratively generating a question includes generating question data in response to input of a question and answer choices on a first device, sending the question data to a repository, sending the question data from the repository to a second device, displaying the question and answer choices on the second device, generating revised question data in response to input that changes the question, sending the revised question data to the repository, sending the revised question data to a third device, displaying the question and answer choices on the third device, receiving input of the selection of answer choices on the third device, and providing feedback whether the selection is correct.