Abstract: A method for manufacturing an electronic device includes forming a first source layer including a trench, forming a first sacrificial layer in the trench, forming a first structure over the first source layer, wherein the first structure includes first material layers and second material layers which are alternately stacked over the each other, forming first openings passing through the first structure and extending to the first sacrificial layer, forming first channel layers in the first openings, forming a slit passing through the first structure and extending to the first sacrificial layer, forming a second opening by removing the first sacrificial layer through the slit, and forming a second source layer in the second opening, wherein the second source layer is coupled to the first channel layers.

Abstract: Disclosed is a pharmaceutical composition for preventing or treating diabetes complications comprising a novel chrysin derivative compound as an active ingredient and, more specifically, a pharmaceutical composition for preventing or treating diabetes complications containing, as an active ingredient, a novel chrysin derivative compound that is capable of preventing or treating diabetes complications due to the ability thereof to inhibit the formation of an advanced glycation end product (AGE).

Abstract: A blockchain-based personal information management apparatus and method. The blockchain-based personal information management method includes recording, by a first server device, an encrypted value of personal information of a user and a hash value of the personal information in a blockchain, generating, by the first server device, a proof key to be used to generate a personal information proof of the personal information and a verification key to be used to verify the personal information proof based on the personal information, generating, by a blockchain-based personal information management apparatus, the personal information proof from values recorded in the blockchain using the proof key and a prestored prove function related to a zero-knowledge proof, and verifying, by a second server device, the personal information proof from the values recorded in the blockchain using the verification key and a prestored verify function related to the zero-knowledge proof.

Abstract: A semiconductor device and a semiconductor system are provided. A semiconductor device includes a monitoring circuit receiving a first operating voltage and a second operating voltage, which is different from the first operating voltage, from a Power Management Integrated Circuit (PMIC) and monitoring a duration of use of a System-on-Chip (SoC) at each of the first and second operating voltages; a processing circuit calculating a normalized value based on predetermined weight information from the duration of use of the SoC at each of the first and second operating voltages; and a voltage circuit determining whether to increase an operating voltage of the SoC by comparing the normalized value with a predetermined value.

Abstract: Disclosed herein is a temperature controlled case. The temperature controlled case includes a base and a stepped portion protruding from an upper surface of the base, wherein the stepped portion has a rectangular shape having a major axis and a minor axis in top plan view, a height of the base is the same as a maximum height of the stepped portion protruding from the base, and maximum distances from an edge of the base to the stepped portion in the major axis and minor axis directions are the same as the height of the base or the maximum height of the stepped portion.

Abstract: A lighting apparatus of vehicles may include a light source unit of emitting light; a first reflection unit of reflecting light incident from the light source unit to discharge the reflected light outside the first reflection unit; a second reflection unit rotatably provided between the light source unit and the first reflection unit to reflect light for allowing light emitted by the light source unit to move to the first reflection unit or blocking the light such that the light is not moved to the first reflection unit and reflecting the light at a position different from the first reflection unit to discharge the light outside depending on a rotational position of the second reflection unit; and a driving unit connected to the second reflection unit and configured of adjusting the rotational position of the second reflection unit.

Abstract: This surface-emitting laser device comprises: a first reflective layer; an active region disposed over the first reflective layer; an aperture region which is disposed over the active region and comprises an aperture and an insulating region; a second reflective layer disposed over the aperture region; and a second electrode electrically connected to the second reflective layer. The second electrode comprises first to sixth conductive layers. The first conductive layer may comprises Ti, and the sixth conductive layer may comprise Au.

Abstract: A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.

Abstract: Provided are a method for preparing a polyamide by using a molecular weight controller having a double active group in anionic ring-opening copolymerization of a polyamide, thereby enabling molecular weight to be controlled through the addition reaction of the molecular weight controller, and a polyamide prepared thereby.

Abstract: A peptide is described herein that has: (i) a simple structure compared to existing natural human erythropoietin, thus capable of easily passing through a tissue-blood barrier, (ii) excellent bioactivity with respect to cell-protecting activity, (iii) a low manufacturing cost, thus being economically advantageous, and (iv) no side effects on cell proliferation. Also, a pharmaceutical composition comprising the erythropoietin-derived peptide described herein as an active ingredient is described. The pharmaceutical composition may be used for preventing or treating cell damage-related illnesses, such as stroke, mechanical damage or ischemic damage to the nervous system, myocardial infarction, retinal damage, and diabetes. Also, the described pharmaceutical composition may be used for preventing cell damage.

Abstract: A display device includes a plurality of first pixels coupled to first scan lines and data lines and a plurality of second pixels coupled to second scan lines and the data lines. Each of the first scan lines receives 2i first scan signals during a frame period. Each of the second scan lines receives i second scan signals during the frame period, where i is a natural number.

Abstract: An electronic device according to various embodiments of the present invention comprises: a first main body including a first surface and a second surface which faces the opposite direction to the first surface; a second main body including a third surface which faces the first surface of the first main body part when being folded in a first direction, and a fourth surface which faces the second surface of the first main body part when being folded in a second direction; a rotatable connection unit which connects at least a part of one side of the first main body part and at least a part of one side of the second main body part; a first display which is exposed to the first surface of the first main body part; a second display which is exposed to the third surface of the second main body part; a processor which is electrically connected to the first display and the second display; and a memory which is electrically connected to the processor.

Abstract: The present invention relates to a lightweight sandwich steel sheet using polyamide, and more particularly, to a lightweight sandwich steel sheet using polyamide and a manufacturing method therefor, the steel sheet being usable at a wider temperature range than that of a conventional sandwich steel sheet and, particularly, having excellent adhesion at a low temperature and remarkably increasing stability and lightweight property.

Abstract: Provided are a method for producing a polyamide using an end-capping agent and a polyamide produced thereby, wherein the method is an eco-friendly process method without using a solvent as a catalyst and may prepare, by using an end-capping agent for suppressing side reaction, a polymer having a uniform molecular weight and a high conversion rate at a low temperature within a short polymerization time in comparison with a conventional polymerization method.

Abstract: Provided are a method for producing a polyamide including an amide-based molecular weight controller and a polyamide produced thereby, wherein the amide-based molecular weight controller may easily control the molecular weight of the polyamide to have a narrow molecular weight distribution so as to prevent an increase in the molecular weight due to a basic intermediate produced in anionic polymerization and a side reaction generated under a high-temperature polymerization condition.

Abstract: A variable headlamp apparatus for a vehicle is capable of realizing various lighting functions by switching positions of the plurality of optical units only with a single drive unit. The variable headlamp apparatus includes: an optical unit having an emitter to emit light; a guide unit installed with the optical unit to guide a position of the optical unit to a fixed path; a link unit connected to the optical unit and including multiple links rotatably connected to each other to change the position of the optical unit; and a drive unit to rotate the links. In particular, the optical unit moves along the fixed path of the guide unit while switching a light irradiation direction of the emitter.

Abstract: An insert molding apparatus includes: a lower mold including a seating part on which an insert member including a through-hole is seated; an upper mold mounted on the lower mold to receive the insert member seated on the seating part; and a first fixing part including a first head provided in the lower mold and inserted into the through-hole of the insert member when the insert member is seated, and a first drive unit that moves the first head. The first drive unit is moved to adjust a length by which the first head is inserted into the through-hole.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, and a cap mounted on at least one of opposite longitudinal end portions of the hollow profile or disposed inside the main body.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts integrally formed on opposite longitudinal end portions of the rail in the lengthwise direction, and a hollow profile that extends along the lengthwise direction of the rail and has at least one through-hole formed in a surface facing the roof panel of the vehicle and that is integrally formed inside the rail.

Abstract: Disclosed herein are an autonomous driving robot apparatus and an autonomous driving method. The autonomous driving method of the autonomous driving robot apparatus includes receiving task information for autonomous driving from a server device for supporting autonomous driving; creating a route for autonomous driving based on the task information and performing autonomous driving; and selecting an autonomous driving operation corresponding to any one of moving, waiting, and wandering when arriving at a preset destination by performing autonomous driving along the route.