Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.

Abstract: Disclosed herein are rechargeable aluminum organic batteries and active materials used therein. The cathodic materials used herein comprise a macrocycle comprising a substituted or unsubstituted phenanthrenequinone unit and a graphite flake.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.

Abstract: Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and allyl(4-(1,3-bis(4-(((allyloxy)carbonyl)oxy)-5-(tert-butyl)-2-methylphenyl)butyl)-2-(tert-butyl)-5-methylphenyl) represented by the following Formula 1.

Abstract: Disclosed are an anode material for a lithium secondary battery and a method of manufacturing the same. For instance, the lithium secondary batter may have a high energy density by using only a single anode material. Particularly, the anode material for a lithium secondary battery includes a Li—[Mn—Ti]—Al—O-based anode active material; and a carbon nanotube (CNT) attached to the surface of the anode active material in an acid-treated state to be formed as a composite.

Abstract: Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and allyl(4-nitrophenyl) carbonate represented by the following Formula 1.

Abstract: Provided are, inter alia, a positive electrode material for a lithium secondary battery having a high energy density with only a single positive electrode material, and a lithium secondary battery including the same. The positive electrode material for a lithium secondary battery includes a positive electrode active material formed of a Li—[Mn—Ti]—O-based material so that lithium is reversibly intercalated and deintercalated, and particularly, the positive electrode active material is doped with a dopant (Me) having an oxidation number of 2 to 6.

Abstract: Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided also is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and a negative-electrode additive. The negative-electrode additive preferably includes bis(4-(trifluoromethoxy)phenyl) oxalate represented by the following Formula 1.

Abstract: An electrode for a secondary battery and method of manufacturing the electrode for the secondary battery are provided. The electrode for the secondary battery may include: a cathode current collector; and a layer coated on the cathode current collector and in which metal nanowires are embedded in a binder material.

Abstract: An electrolytic solution is disclosed. The electrolytic solution can be used, for example, in a lithium secondary battery.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

Abstract: The present specification relates to an organic light emitting device, a method for manufacturing the same, and a composition for an organic material layer.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.

Abstract: A multi-channel sound implementation device comprising: a source data analysis unit for analyzing source data; a speaker system analysis unit; a headphone information analysis unit for analyzing information on at least one or more open-ear headphones for outputting sound in a state where the headphones are spaced apart from the ears of a user; an audio signal generation unit for, by using information on the audio signals, information on the speaker system and the information on the open-ear headphones, generating speaker audio signals having at least one channel, which may be reproduced in the speaker system, and generating headphone audio signals, which may be reproduced in the open-ear headphones; and a communication unit for transmitting the speaker audio signals to the speaker system, and transmitting the headphone audio signals to the respective open-ear headphones to which the headphone audio signals correspond.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

Abstract: Disclosed is an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and a first emitting material layer, which includes a first host, a second host and a first dopant and disposed between the first and second electrodes. The first host is represented by Formula 1, the second host may be a triazine derivative, and the first dopant may be a red, green or blue dopant.

Abstract: Disclosed is a vacuum cleaner having an improved structure for preventing hair or foreign substances from being caught in a wheel. The vacuum cleaner includes a suction nozzle having a suction passage for cleaning a surface to be cleaned by a suction force and a wheel assembly accommodated in the suction nozzle and configured to be rotatable. The wheel assembly includes a wheel and a rotating shaft to rotatably support the wheel. The rotating shaft is inclined relative to a bottom surface of the suction nozzle.

Abstract: A cleaning system is provided. The cleaning system includes a robot cleaner and a station. The robot cleaner includes a pad fixing part on which a cleaning pad is detachably mounted, a lifter to lift a part of the robot cleaner at which the pad fixing part is positioned, and a pad detacher to detach the cleaning pad mounted on the pad fixing part. The station includes a pad storage box in which a cleaning pad that is to be provided to the robot cleaner is stored, a pad coupling part on which a cleaning pad that is to be coupled to the robot cleaner is rested, and a pad supplier to supply the cleaning pad stored in the pad storage box to the pad coupling part.