Abstract: An apparatus for calculating battery power including a time setting unit that sets a target time for using a battery cell, a temperature sensor unit that measures temperature of the battery cell, a resistance calculation unit that calculates resistance of the battery cell, and a power calculation unit that calculates an optimum current value usable without exceeding threshold temperature of the battery cell during the target time, based on the temperature and resistance of the battery.

Abstract: Disclosed is an organic compound that includes a fused hetero aromatic moiety of a spiro structure as an electron donor and a triazine moiety as an electron acceptor that is linked to the electron donor via an arylene linker substituted with at least one electron withdrawing group, an organic light emitting diode and an organic light emitting device each of which applies the organic compound into at least one emitting unit. The organic compound enables the organic light emitting diode to increase its luminous efficiency and to improve its color purity.

Abstract: Disclosed is an organic light-emitting diode and an organic light-emitting device including the organic light-emitting diode. The organic light-emitting diode includes a cathode electrode; an anode electrode; a first emitting material layer including a first host and a first delayed fluorescent material, which is between the cathode electrode and the anode electrode; and a second emitting material layer having a second delayed fluorescent material and a first fluorescent or phosphorescent material, between the cathode electrode and the anode electrode. The organic light-emitting diode has enhanced luminous efficiency and color continuity.

Abstract: An organic compound having a spiro-anthracene core and an aromatic or heteroaromatic group and/or an amino group bonded to the core, and an organic light-emitting diode and an organic light-emitting device including the organic compound are disclosed. Since the organic compound of the present disclosure has a rigid structure and a substantially narrow full width at half maximum (FWHM), it is possible to manufacture an organic light-emitting diode and an organic light-emitting device with lowered driving voltages and enhanced luminous efficiency and color purity using the organic compound.

Abstract: Disclosed are a heterogeneously integrated optical modulator and a manufacturing method thereof. The modulator includes a substrate having a trench, an input waveguide disposed at one side of the trench, an output waveguide disposed at the other side of the trench, a first Mach-Zehnder interferometer including first branch waveguides disposed between the input waveguide and the output waveguide and a heater disposed on one of the first branch waveguides, and second Mach-Zehnder interferometers connected to each of the first branch waveguides.

Abstract: Disclosed is an optical transmitter module including a directly modulated laser transmitter based on a directly modulated laser (DML) and an arrayed waveguide grating (AWG) chip that is vertically polished. The directly modulated laser transmitter includes a directly modulated laser chip array including one or more directly modulated laser chips, an impedance matching circuit that allows each of the one or more directly modulated laser chips to operate at a critical speed of 100 Gbps per channel or higher, and a radio frequency-flexible printed circuit board (RF-FPCB) that transmits a radio frequency (RF) modulating signal to the directly modulated laser chip array. The arrayed waveguide grating chip includes an optical waveguides that transfer multi-channel optical signals and a wavelength multiplexer that multiplexes the multi-channel optical signals. The directly modulated laser transmitter and the arrayed waveguide grating chip are spaced apart from each other and are optically coupled in chip-to-chip.

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first compound, a second compound and a third compound and positioned between the first and second electrodes, wherein an onset wavelength of the second compound is greater than an onset wavelength of the first compound and is smaller than an onset wavelength of the third compound, wherein a maximum emission wavelength of the second compound is smaller than a maximum emission wavelength of the first compound, and a maximum emission wavelength of the third compound is equal to or smaller than a maximum emission wavelength of the first compound, and wherein a full width at half maximum of each of the second and third compounds is smaller than a full width at half maximum of the first compound.

Abstract: The present disclosure relates to an organic compound being represented by Formula 1, an organic light emitting diode including the organic compound and an organic light emitting device including the organic light emitting diode. The organic compound is included in an organic layer of the organic light emitting diode.

Abstract: Provided is a ventilated shoe. The shoe includes an upper. An outsole has an upper edge end provided on an upper sole part, an air chamber provided inside the upper edge end, and an ascending and descending edge surface provided on an outer edge of a lower sole part in such a way as to be inclined outwards and upwards from a bottom surface, the outer edge of the lower sole part being provided under the upper edge end to be opposite thereto. An insole is secured to the upper edge end to cover a top of the air chamber, with a plurality of ventilation holes being formed in a front portion thereof. A backflow prevention valve prevents outside air supplied to the air chamber from flowing backwards. An air inlet pipe supplies the outside air to the backflow prevention valve.

Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and comprising a first compound including a fused ring of boron and oxygen as a nuclear atom and a second compound including a fused ring of born and nitrogen as a nuclear atom and an organic light emitting device including the OLED is disclosed. The first compound and the second compound may be the same emitting material layer or adjacently disposed emitting material layers. The OLED can lower its driving voltage and improve its luminous efficiency using the first and second compounds with adjusting their energy levels.

Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and comprising a first compound including a fused hetero aromatic ring with at least one nitrogen atom and a second compound of a boron-based compound and an organic light emitting device including the OLED is disclosed. The first compound and the second compound may be the same emitting material layer or adjacently disposed emitting material layers. The OLED can lower its driving voltage and improve its luminous efficiency using the first and second compounds with adjusting their energy levels.

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound, a second compound and a third compound and positioned between the first and second electrodes. An energy level of the first to third compounds satisfies a pre-determined condition. An organic light emitting device may include the organic light emitting diode.

Abstract: The present disclosure relates to an organic compound in which an electron acceptor moiety and an electron donor moiety of a fused aromatic ring or a hetero aromatic ring are directly linked or through an linker moiety and they are connected via carbon-carbon bond, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties that are linked directly or through a linker moiety via a carbon-carbon bond having strong bond energy within its molecule, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound in an emissive layer can implement excellent luminous efficiency and luminous lifespan.

Abstract: The present disclosure relates to an organic compound including an electron acceptor moiety of a hetero aromatic ring having at least one nitrogen as a nuclear atom and an electron donor moiety of a fused aromatic or a fused hetero aromatic ring linked to the electron acceptor moiety directly or via a linker moiety, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound, which may comprise at least one substituent having strong electron withdrawing property at specific position, in an emissive layer can implement excellent luminous efficiency and luminous lifespan.

Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and comprising a first compound and a second compound and an organic light emitting device having the OLED are disclosed. The first compound of delayed fluorescent material and the second compound of fluorescent material have predetermined energy levels so that the OLED can improve its stability and luminous lifespan.

Abstract: An apparatus and a method for segmenting a steel microstructure phase are provided. The apparatus includes a storage configured for storing a machine learning algorithm and a processing device that segments a microstructure phase using the machine learning algorithm. The processing device is configured to receive label data, to learn a machine learning model by use of the label data as learning data for the machine learning model, and to segment a phase of a steel microstructure image by use of the learned machine learning model.

Abstract: Provided is a filter assembly including: a first filter medium (110) that is bent so that high-point portions (111) and low-point portions (113) defined based on a vertical plane with respect to a first direction are alternately and repeatedly formed in a second direction perpendicular to the first direction; a first filter frame (130) configured to accommodate the first filter medium (110) and to fix an edge side of the first filter medium (110); a second filter medium (120) that is bent so that the low-point portions (121) and the high-point portions (123) defined based on the vertical plane with respect to the first direction are alternately and repeatedly formed in the second direction; and a second filter frame (140) configured to accommodate the second filter medium (120) and to fix an edge side of the second filter medium (120), wherein at least a portion of the high-point portions repeatedly formed in the first filter medium (110) have different heights from those of the other high-point portions, and

Abstract: The present invention relates to a dust collecting filter and a process for manufacturing the same. Specifically, according to an embodiment of the present invention, the filter medium contained in a dust collecting filter comprises a first nonwoven fabric layer, a porous layer, a second nonwoven fabric layer, and a polypropylene melt-blown layer sequentially laminated, wherein the melt-blown layer has a melt index and a basis weight in specific ranges, and the first nonwoven fabric layer and the second nonwoven fabric layer have a sum of the basis weights in a certain range, whereby it is possible to enhance the sustainability, processability, and bendability of the filter medium, enhance the workability at high temperatures and adhesion, and further enhance the durability and life span characteristics of the filter.

Abstract: A method for fabricating semiconductor device includes forming an alternating stack that includes a lower multi-layered stack and an upper multi-layered stack by alternately stacking a dielectric layer and a sacrificial layer over a substrate, forming a vertical trench that divides the upper multi-layered stack into dummy stacks, and forming an asymmetric stepped trench that is extended downward from the vertical trench to divide the lower multi-layered stack into a pad stack and a dummy pad stack, wherein forming the asymmetric stepped trench includes forming a first stepped sidewall that is defined at an edge of the pad stack, and forming a second stepped sidewall that is defined at an edge of the dummy pad stack and occupies less area than the first stepped sidewall.

Abstract: The present specification provides a multicyclic compound of Chemical Formula 1, and an organic light emitting device including the same.