Abstract: An aerosol generating device includes: a liquid storage configured to store an aerosol generating material; a first residual amount detection sensor and a second residual amount detection sensor respectively arranged on a first inner surface and a second inner surface that face each other among inner surfaces of the liquid storage; a third residual amount detection sensor and a fourth residual amount detection sensor respectively arranged on a third inner surface and a fourth inner surface of the liquid storage that face each other and are different from the first inner surface and the second inner surface of the liquid storage; and a controller configured to measure a remaining amount of the aerosol generating material based on a first detected value output by the first residual amount detection sensor and a second detected value output by the second residual amount detection sensor.

Abstract: An overcurrent protection apparatus includes a current sensor configured to measure a charging current or discharging current of a battery pack, a switch configured to connect or disconnect the battery pack, and an overcurrent protection circuit configured to receive an output signal of the current sensor as an input voltage to compare the input voltage and a reference voltage, allow the switch to maintain an on state when the input voltage is less than the reference voltage according to a comparison result, and control the switch so that the switch is turned off after a predetermined time delay when the input voltage is greater than or equal to the reference voltage. A corresponding overcurrent protection method for the battery pack is also provided.

Abstract: Provided is an otitis media treatment instrument and, more particularly, to an otitis media treatment instrument having a ventilation tube installed thereon, the otitis media treatment instrument including: a cutting sheath which is configured in a tube shape, and which has an inner diameter larger than the outer diameter of the ventilation tube; and a suction pipe formed to be able to move relative to the cutting sheath inside the cutting sheath along the longitudinal direction of the cutting sheath, the suction pipe having, on the front end portion thereof, an insertion portion having an outer diameter smaller than the inner diameter of the ventilation tube and having a fixing portion which extends toward the front end of the insertion portion, and which has an outer diameter larger than the inner diameter of the ventilation tube.

Abstract: Disclosed are an effect pigment that realizes substantially the same color at different view angles and a method for preparing the same. The effect includes a platelet-shaped substrate; and a pigment particle layer composed of pigment particles attached to at least a portion of a surface of the platelet-shaped substrate, wherein the pigment particles of the pigment particle layer are discontinuously positioned on the surface of the platelet-shaped substrate in an island manner.

Abstract: The present invention provides: an ethylene oligomerization method in which an ethylene oligomer is produced by reacting a chromium complex, an organic aluminium compound, and an organic zinc compound with ethylene; and the ethylene oligomer thereof.

Abstract: An aerosol generating device includes a first cartridge including a first material and a delivery hole, a second cartridge including chambers for accommodating a second material through which an aerosol passes, a position of the second cartridge with respect to the first cartridge being changeable, a remaining amount sensor configured to detect a remaining amount of the first material, and a controller configured to determine a consumption amount at which the first material is consumed with respect to a usage chamber that currently passes the aerosol based on the detected remaining amount of the first material and to compare the consumption amount of the first material with a pre-set reference consumption amount of the first material with respect to the usage chamber, thereby determining a position changing time at which changing of a position of the second cartridge is required.

Abstract: A method for providing audio and haptic feedback to guide object selection while using an extended-reality device is disclosed. The method includes while a user is wearing an extended-reality headset that is associated with an output device, in accordance with a determination that a focus selector for the artificial-reality headset is directed to a first object with first visual characteristics, providing first haptic feedback and first audio feedback corresponding to the first visual characteristics via the output device. The method further includes in accordance with a determination that the focus selector for the artificial-reality headset is directed to a second object with second visual characteristics, distinct from the first visual characteristics, providing second haptic feedback and second audio feedback, distinct from the first haptic feedback and the first audio feedback, corresponding to the second visual characteristics via the output device.

Abstract: A cartridge includes a storage unit configured to store an aerosol generating material, a wick arranged under the storage unit and configured to absorb the aerosol generating material supplied from the storage unit, and one or more susceptors arranged on at least one outer surface of the wick, and configured to atomize the aerosol generating material absorbed into the wick into an aerosol by generating heat in response to an induced magnetic field.

Abstract: An aerosol generating device may include: a cartridge including a reservoir for storing an aerosol generating material; a heater assembly detachably coupled to the cartridge and configured to heat the aerosol generating material provided from the cartridge to generate an aerosol; and a body detachably coupled to the heater assembly and including a battery configured to supply power to the heater assembly, wherein the heater assembly may include: a chamber in fluid communication with the reservoir of the cartridge; a wick configured to absorb the aerosol generating material supplied from the reservoir; and a heater arranged in at least a region of a side surface of the wick and configured to heat the aerosol generating material absorbed into the wick.

Abstract: A power pattern generation method of an energy storage system (ESS) according to an embodiment disclosed herein includes generating a charge/discharge pattern of the ESS based on a normal distribution in consideration of a maximum c-rate and a time step of a unit charge/discharge operation, classifying the charge/discharge pattern into a charge pattern and a discharge pattern, extracting a power value from the charge pattern or the discharge pattern based on a random first value for generating a virtual charge/discharge pattern of the ESS, and generating a power pattern based on the power value.

Abstract: The present disclosure relates to an aerosol generating device including a heater module that is detachable, wherein the aerosol generating device includes a main body including a controller and a battery, a heater module detachably coupled to the main body and including a heater configured to heat an aerosol generating material, and a cartridge detachably coupled to the heater module and configured to store the aerosol generating material to be delivered to the heater, wherein the heater module includes a first terminal configured to electrically connect the cartridge to the heater module when the cartridge is coupled to the heater module, and a second terminal and a third terminal configured to electrically connect the heater module to the controller when the heater module is coupled to the main body.

Abstract: An aerosol generating device includes: a cartridge including a liquid storage and an atomizer; and a main body including a battery, a puff sensor, and a controller configured to perform pulse width modulation (PWM) control for supplying power from the battery to the atomizer, wherein the controller performs the PWM control at a first duty ratio during a puff period and performs the PWM control at a second duty ratio lower than the first duty ratio during a non-puff period between puff periods.

Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0?x?1, 0?y?1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.

Abstract: An aerosol generating device and a controlling method thereof are provided. An aerosol generating device includes: a battery configured to supply power for generating an aerosol from an aerosol generating material; a converter configured to convert a supply voltage from the battery into a constant voltage of a predetermined level; a heater configured to heat the aerosol generating material using the supply voltage; a detection circuit configured to detect a change in resistance of the heater by applying the constant voltage output from the converter and performing a current sensing on the heater with a resistance value; and a controller configured to control the heater for generating the aerosol by switching between a monitoring mode for performing the detection of the change in the resistance of the heater using the constant voltage and a heating mode for heating the heater using the supply voltage.

Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the 10 transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.

Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.

Abstract: A display apparatus having a mura compensation function includes a mura memory in which compensation data corresponding to coefficient values of a mura compensation equation is stored; and a mura compensation circuit configured to perform mura compensations on display data by using the mura compensation equation to which the compensation data has been applied, wherein the coefficient values are set so that the mura compensation equation has been fit to have a curve that satisfies known difference values of selected gray levels, a first estimation difference value of a first estimation gray level higher than the selected gray levels, and a second estimation difference value of a second estimation gray level lower than the selected gray levels, and wherein the compensation data comprises the coefficient values of the mura compensation equation in which all of the known difference values of the selected gray levels, the first estimation difference value, and the second estimation difference value have a differen

Abstract: An aerosol generating device includes: a first cartridge configured to accommodate a first material and including a delivery hole that is configured to deliver an aerosol generated from the first material; a second cartridge including a plurality of chambers that are each configured to accommodate a second material through which the aerosol delivered from the first cartridge passes and is discharged to the outside, wherein a position of the second cartridge with respect to the first cartridge is changeable so that at least one of the plurality of chambers corresponds to the delivery hole; a position sensor configured to generate a signal by detecting a position of at least one of the plurality of chambers with respect to the delivery hole; and a controller configured to identify a usage chamber based on the signal of the position sensor.

Abstract: An optical laminate is provided. When the optical laminate is applied to an OLED display device, the problem of visibility due to reflection of external incident natural light of the device can be solved, and simultaneously its display quality can also be improved.

Abstract: A pixel circuit includes a sensing block, a stimulation block, a first line control circuit, and a second line control circuit. The sensing block outputs biometric data of a biosignal in response to a first selection signal. The stimulation block radiates a stimulation signal in response to a second selection signal. The first line control circuit outputs the first selection signal for selecting the sensing block as a target sensing block, and outputs the second selection signal for selecting the stimulation block as a target stimulation block. The second line control circuit processes characteristic data associated with the biometric data and the stimulation signal.