Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.

Abstract: Provided are a method for fabricating a highly elastic porous polymer membrane, a method for manufacturing a cell culture system using a porous polymer membrane fabricated by the fabrication method, and a cell culture system manufactured by the manufacturing method. The porous polymer membrane can be fabricated by spin coating a mixture solution containing a biodegradable elastomeric polymer and a water-soluble moisture absorbent in an optimum ratio while maintaining a high relative humidity. The porous polymer membrane has a uniform thickness and a uniform pore size and is highly elastic. In addition, the thickness and pore size of the porous polymer membrane can be controlled. The porous polymer membrane can induce active cell-cell interaction during cell co-culture due to its high porosity. The porous polymer membrane enables control over cell alignment or array due to its high biocompatibility and elasticity.

Abstract: The present disclosure provides a display device and a method for fabricating the same. According to one or more embodiments, a display device includes a substrate, pixel electrodes above the substrate, light-emitting elements above the pixel electrodes, extending in a thickness direction of the substrate, and having a polyhedral shape in the thickness direction, a width of a middle portion of the polyhedral shape being greater than a width of an upper portion of the polyhedral shape and greater than a width of a lower portion of the polyhedral shape, and a common electrode above the light-emitting elements.

Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.

Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.

Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.

Abstract: Disclosed are a positive electrode additive material for a lithium secondary battery having an enhancement in atmospheric stability, a method for preparing the same, and a positive electrode for a lithium secondary battery including the same. The positive electrode material includes an core including a lithium component, and a coating layer formed on a surface of the core and including a compound having a formula of LiM?O3 wherein M? is Ta or Nb.

Abstract: A terminal connection structure of a battery is disclosed. A terminal connection structure of the battery is for electrically connecting positive and negative terminals of battery modules of a first row and battery modules of a second row that is adjacent to the first row in a plurality of rows where battery modules are arranged. The terminal connection structure of the battery may include: a first bus bar module electrically connecting the positive and negative terminals in the first row of battery modules; and a second bus bar module configured to electrically connected to the positive and negative terminals in the battery modules of the second row, stacked vertically on the first bus bar module, to be electrically connected to the first bus bar module.

Abstract: An embodiment heat pump system for a vehicle includes a first circuit including a radiator and a first valve in a first line, a second circuit including a first water pump, a second valve, and a third valve provided in a second line, a third circuit including electrical equipment provided in a third line, a fourth circuit including second water pump and a fourth valve provided in a fourth line, a fifth circuit including a battery module provided in a fifth line, a sixth circuit including a third water pump and a cooler provided in a sixth line, a seventh circuit including a fourth water pump and a heater provided in a seventh line, and a centralized energy module including a condenser, a chiller, and an evaporator.

Abstract: A thermal management system includes: a first radiator, a first electric water pump, and a first coolant line configured to allow a coolant to be circulated by the first electric water pump; a second radiator, a second electric water pump, and a second coolant line configured to allow a coolant to be circulated by the second electric water pump; and a first flow control device and a second flow control device installed at front ends and rear ends of the first radiator and the second radiator so as to control a coolant flow direction between the first coolant line, the second coolant line, and a third coolant line. The third coolant line is installed so as to connect the first flow control device and the second flow control device to each other.

Abstract: The present disclosure relates to an anode for a lithium secondary battery and a lithium secondary battery including the same, wherein the anode includes a first anode active material layer formed on at least one surface of the anode current collector, wherein the first anode active material layer contains a mixture of natural graphite and artificial graphite as the anode active material and a first binder; a second anode active material layer formed on the first anode active material layer, wherein the second anode active material layer contains a mixture of artificial graphite and a silicon-based compound as the anode active material and a second binder; and wherein a weight ratio of the first binder and the second binder is 1 to 2:1.

Abstract: An embodiment method for controlling a compressor of a vehicle includes selectively controlling an operation of the compressor by determining and comparing a discharge pressure of the compressor and a temperature of an inverter with predetermined values based on data detected in real time when the compressor is operated to cool or heat an interior of the vehicle and operating a protection mode to prevent thermal burnout of the inverter in response to a determination that the discharge pressure of the compressor is higher than an operation stop pressure.

Abstract: Disclosed is a porous structure including water-soluble chitosan; and a carboxymethyl cellulose-based compound, wherein a weight ratio of the water-soluble chitosan and the carboxymethyl cellulose-based compound is from 65:35 to 25:75, and a process for preparing the same.

Abstract: An embodiment of the present specification provides a method of preparing a copolymer, which includes steps of: (a) adding a polymerization initiator to a monomer mixture including an aromatic vinyl-based monomer, a first conjugated diene-based monomer, and a farnesene monomer to initiate a reaction; and (b) adding a second conjugated diene-based monomer.

Abstract: The present disclosure relates to an anode for a lithium secondary battery and a lithium secondary battery including the same, wherein the anode includes an anode current collector; a first anode active material layer formed on at least one surface of the anode current collector and containing a mixture of natural graphite and artificial graphite in a weight ratio of 13˜34:66˜87 and a first binder as the anode active material; and a second anode active material layer formed on the first anode active material layer and containing a mixture of artificial graphite and a silicon-based compound in a weight ratio of 91˜99:1˜9 and a second binder as the anode active material.

Abstract: The present invention relates to a ligand compound represented by the following Formula 1, an organochromium compound, a catalyst system including the organochromium compound and a method for oligomerizing ethylene using the same: wherein Cy, and R1 to R4 are described herein.

Abstract: Proposed is a slim-type heat management system for an electric vehicle, wherein implementation of various heat management modes may be easily accomplished by using a minimum number of parts including two three-way expansion valves and the like, wherein the various heat management modes include a heat pump dehumidification mode, a dehumidification max mode, and the like, which are for defogging, in addition to an indoor cooling mode, a battery cooling mode, and a heat pump mode for heating. Accordingly, the system is capable of being usefully applied to an electric vehicle being small and an electric vehicle having priority of profitability over performance.

Abstract: The present invention relates to a thermoplastic resin composition including a polyolefin-polystyrene-based multi-block copolymer having a structure in which a polystyrene chain is attached to both ends of a polypropylene and polyolefin chain, and the thermoplastic resin composition according to the present invention exhibits high fluidity properties as well as soft feel and high restoring force.

Abstract: The process for preparing high purity SiC powders according to the embodiment not only solves the environmental problems by using waste SiC, but also reduces the manufacturing cost with high yield, high productivity, and high uniformity.

Abstract: The present application can provide a curable composition comprising an alkenyl group-containing polyorganosiloxane component; a silicon-bonded hydrogen-containing polyorganosiloxane component; and a filler component having a filler having a hydroxyl group on the surface, which has excellent storage stability due to no change in physical properties such as viscosity or hardness during storage, and a two-component curable composition comprising such a curable composition. In addition, the present application can provide a curable composition having excellent storage stability without using a separate additive or without any surface treatment process of a thermally conductive filler, and a two-component curable composition comprising such a curable composition.