Abstract: The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A], and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] in at least one of the two emission layers, [chemical formula A] being the same as that described in the detailed description of the invention.

Abstract: According to one embodiment of the present disclosure, there is provided a failure diagnosis device used for diagnosing the presence of failure or abnormal operation of a wheel bearing. The failure diagnosis device according to one embodiment of the present disclosure may comprise a housing; a magnetic coupling part provided in the housing; and a sensing part provided in the housing and configured to detect physical characteristic related to an operational state of a vehicle. According to one embodiment of the present disclosure, the sensing part may comprise an acceleration sensor configured to collect acceleration information, and the failure diagnosis device may be configured to be detachably mounted to one side of a wheel by virtue of a magnetic force generated by the magnetic coupling part.

Abstract: The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A] or [chemical formula B] and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] or [chemical formula B] in at least one of the two emission layers, [chemical formula A] and [chemical formula B] being as described in the detailed description of the invention.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are as described in the detailed description of the invention.

Abstract: Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.

Abstract: Disclosed herein is an organic light-emitting diode comprising at least one of the compounds represented by [Chemical Formula A] and at least one of the compound represented by [Chemical Formula B] as host materials therein, wherein [Chemical Formula A] and [Chemical Formula B] are as defined in the description.

Abstract: The present invention relates to: an anthracene derivative compound having a specific structure; and an organic light-emitting device having low-voltage driving characteristics, comprising same, and also relates to an organic light-emitting device, which employs, as a dopant compound, a polycyclic aromatic derivative compound having a specific structure together in a light-emitting layer, and thus has excellent light-emitting characteristics such as further improved low-voltage driving.

Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula E], wherein [Chemical Formula A] to [Chemical Formula E] is as defined in the description.

Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A], wherein [Chemical Formula A] is as defined in the description.

Abstract: Disclosed herein is an organic light emitting diode including a novel anthracene compound. More particularly, an organic light emitting diode including an anthracene compound represented by Chemical Formula A; and a compound represented by Chemical Formula B-1 or B-2 is provided. Chemical Formulas A, B-1, and B-2 are as defined in the description.

Abstract: Disclosed are an anthracene derivative with a specific structure and an organic electroluminescent device including the anthracene derivative. The organic electroluminescent device includes a light emitting layer employing the anthracene derivative as a host compound and a polycyclic aromatic derivative with a specific structure as a dopant compound. The use of the host and dopant compounds allows the organic electroluminescent device to have a long lifetime and significantly improved low-voltage characteristics.

Abstract: A gas sensor includes a housing having an open portion at one side of the housing, a circuit board securely provided inside the housing, the circuit board defining a gas sensing space in the housing that communicates with the open portion of the housing, the circuit board having a sensing element located in the gas sensing space and configured to sense a specific gas, a holder provided inside the gas sensing space, and fixed to the housing, the holder having a through hole communicating with the open portion of the housing, and a filter provided inside the gas sensing space, and coupled to the holder or the housing so as to cover the through hole or the open portion.

Abstract: Disclosed herein are a boron compound available for an organic light-emitting diode and an organic light-emitting diode including same. More particularly, a boron compound represented by Chemical Formula A and an organic light-emitting diode including same are provided. Chemical Formula A is as defined in the description.

Abstract: Disclosed is a polycyclic aromatic compound that can be employed in an organic layer of an organic electroluminescent device. Also disclosed is a highly efficient organic electroluminescent device including the polycyclic aromatic compound. The use of the polycyclic aromatic compound significantly improves the luminous efficiency of the device.

Abstract: The proposed technology relates to an oxygen sensor for a vehicle, the oxygen sensor including a housing, a sleeve coupled to the housing, a sensor element configured to determine an oxygen concentration and provided within an inner space defined by the housing and the sleeve, a contact terminal connected to the sensor element, a contact bush including an upper bush and a lower bush, and a positioning unit coupled with the contact bush and maintaining a gap between a circumference of the contact bush and an inner side surface of the sleeve. In particular, the contact bush is coupled with the sensor element and the terminal at the center of the sleeve, and movement due to external impact is prevented.

Abstract: According to one embodiment of the present disclosure, there is provided a failure diagnosis device used for diagnosing the presence of failure or abnormal operation of a wheel bearing. The failure diagnosis device according to one embodiment of the present disclosure may comprise a housing; a magnetic coupling part provided in the housing; and a sensing part provided in the housing and configured to detect physical characteristic related to an operational state of a vehicle. According to one embodiment of the present disclosure, the sensing part may comprise an acceleration sensor configured to collect acceleration information, and the failure diagnosis device may be configured to be detachably mounted to one side of a wheel by virtue of a magnetic force generated by the magnetic coupling part.

Abstract: A system to align an object using a light reflector, including: an input unit for pre-setting a first region in which radiation is to be emitted to the object; a display unit for displaying information on the first region; a radiation unit for emitting radiation to the first region; a reflector formed to correspond to the shape of the first region and configured to be attached to the first region; a light unit for emitting light in the same direction as the radiation to the first region; a camera for photographing a region of the reflector when the reflector reflects light emitted by the light unit; and a control unit for controlling the display unit to display the region of the light reflector which reflects light photographed by the camera, and determining whether the radiation is aligned to the first region of the object based on whether the region of the light reflector is included in the shape of the first region.

Abstract: The present invention relates to a thermoplastic mask monitoring system using a pressure sensor. Specifically, a thermoplastic mask according to the present invention may include: a mask having a shape determined according to a shape of a first region which is at least a part of a patient's body by using thermoplasticity, fixing the first region in close contact with the first region, and receiving radiation; and a pressure sensor provided between the mask and the first region and sensing pressure induced by a space generated between the mask and the first region.

Abstract: The proposed technology relates to an oxygen sensor for a vehicle, the oxygen sensor including a housing, a sleeve coupled to the housing, a sensor element configured to determine an oxygen concentration and provided within an inner space defined by the housing and the sleeve, a contact terminal connected to the sensor element, a contact bush including an upper bush and a lower bush, and a positioning unit coupled with the contact bush and maintaining a gap between a circumference of the contact bush and an inner side surface of the sleeve. In particular, the contact bush is coupled with the sensor element and the terminal at the center of the sleeve, and movement due to external impact is prevented.

Abstract: The present invention relates to a thermoplastic mask monitoring system using a pressure sensor. Specifically, a thermoplastic mask according to the present invention may include: a mask having a shape determined according to a shape of a first region which is at least a part of a patient's body by using thermoplasticity, fixing the first region in close contact with the first region, and receiving radiation; and a pressure sensor provided between the mask and the first region and sensing pressure induced by a space generated between the mask and the first region.