Abstract: The present disclosure relates to a novel organic compound which has excellent thermal stability, electron transporting ability, and light emitting ability, and to an organic EL device containing the same. As the organic compound is used in an organic material layer of the organic EL device, the thermal stability, luminous efficiency, driving voltage, and life of the device can be improved.

Abstract: A lamellar structure graphite foil is used as a material for a separator for a fuel cell, and a hydrophobic layer is formed by impregnation on flow-field channels of the graphite foil. Such a separator is manufactured by forming the flow field channel by etching the graphite foil formed with the mask pattern thereon and forming a hydrophobic layer by impregnation. According to such a separator, performance of a fuel cell stack is enhanced and the manufacturing process of a separator is simplified.

Abstract: An exemplary embodiment of the present disclosure relates to an armrest apparatus and an industrial vehicle including the same, and the armrest apparatus disposed in a driver seat includes: an armrest body which supports an operator's arm; and a drive unit which has a variable length, provides power to move the armrest body upward, and absorbs force applied in a direction in which the armrest body moves downward.

Abstract: An apparatus for controlling irradiated light of a forklift according to an embodiment of the present invention is characterized in including: a lamp driving unit for controlling an illumination angle of a lamp that illuminates a forklift; a fork position sensing unit provided at one side of the forklift or a carriage, and sensing a lifted position of a fork; and a control unit for controlling the illumination angle of the lamp through the lamp driving unit according to the lifted position of the forklift, when the lifted position is input from the fork position sensing unit.

Abstract: A forklift side door capable of being selectively opened to facilitate quick and easy replacement of a battery. The side door including: a door panel; a hinge securing bracket secured to the forklift body; a first hinge shaft provided with the hinge securing bracket; a first hinge block supported by the first hinge shaft, and which is relatively rotatably coupled to the hinge securing bracket; a second hinge block disposed adjacent to the first hinge block, and supported by the door panel; a second hinge shaft connecting the first hinge block and one side of the second hinge block such that the second hinge block is relatively rotatably coupled to the first hinge block; and a locking member capable of selectively locking the second hinge block to the first hinge block such that the second hinge block and the first hinge block are rotatable integrally.

Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device using the same, and more particularly, to a novel compound having excellent electron transport capability and light emitting capability, and an organic electroluminescent device improved in terms of luminous efficiency, driving voltage, lifespan, etc. by including the novel compound in one or more organic layers.

Abstract: The present invention relate to a novel organic compound and an organic electroluminescent device including the same, and in particular, to a novel dibenzofuran-based compound having excellent thermal stability, carrier transport ability, light emitting ability and the like, and an organic electroluminescent device having low driving voltage, and enhanced luminous efficiency, lifetime properties and the like by including the novel dibenzofuran-based compound as a material of one or more organic material layers.

Abstract: The present invention relates to a novel compound and an organic electroluminescent device including the same, and by using the compound according to the present invention in an organic material layer of an organic electroluminescent device, preferably a light emitting layer, luminous efficiency, driving voltage, lifetime and the like of the organic electroluminescent device may be enhanced.

Abstract: An exemplary embodiment of the present disclosure relates to an armrest apparatus and an industrial vehicle including the same, and the armrest apparatus disposed in a driver seat includes: an armrest body which supports an operator's arm; and a drive unit which has a variable length, provides power to move the armrest body upward, and absorbs force applied in a direction in which the armrest body moves downward.

Abstract: The present disclosure relates to an electric brake system for an electric vehicle, which is more economical by simplifying a configuration of an electric vehicle that includes a main service brake and an electromagnetic brake, the electric brake system including an inductor, in a spherical shape, formed so that a drive axle penetrates through a center portion of the inductor; a plurality of springs inserted into holes defined in the inductor; an armature, in a disk shape, provided to contact the spring; and a friction disk mounted on a side of a motor, where a braking force is generated by operating the friction disk toward the armature.

Abstract: A system of controlling a lowering speed of a work lever of a forklift which includes, a hydraulic motor connected to the work lever through a hydraulic line to transmit a power to the work lever; an electronic solenoid valve for controlling the hydraulic motor connected to the work lever; a weight sensor provided at one side of the work lever, the weight sensor measuring a weight of a load placed on the work lever and transmitting the measured value to a controller; and a controller for controlling an RPM of the hydraulic motor and a current amount of the electronic solenoid valve based on the measured value transmitted from the weight sensor.

Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.

Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.

Abstract: The present invention is related to a cooling device for a forklift brake system, which is capable of maintaining a predetermined level of heat-radiation performance by reducing heat when heat is generated in a service brake that is provided at a forklift driving shaft. A cooling device for a forklift brake system according to an exemplary embodiment of the present invention allows cooling oil to bypass a cooler when a pressure of the cooling oil is abnormally increased or there is a concern that a pressure of the cooling oil is increased, thereby preventing the cooler from being damaged.

Abstract: The present disclosure relates to a novel organic compound and an organic EL device including the organic compound. The compound according to the present disclosure may be used in an organic layer of an organic EL device, more specifically, in a light emitting layer, a light emitting auxiliary layer, an electron transport auxiliary layer, or an electron transporting layer and may improve driving voltage, luminous efficiency, and lifespan characteristics of the organic EL device.

Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.

Abstract: The present invention relates to a novel compound and an organic electroluminescent device including the same, and by using the compound according to the present invention in an organic material layer, preferably a light emitting layer, of an organic electroluminescent device, luminous efficiency, driving voltage, lifetime and the like of the organic electroluminescent device may be enhanced.