Abstract: The present disclosure provides a motor-driven child seat for a vehicle capable of making it more convenient to sit a child in the child seat and to switch the seat to a comfortable posture by enabling swiveling adjustment of the child seat using the swivel-driving device and reclining adjustment of the child seat using the reclining-driving device.

Abstract: A ventilation and heating apparatus for a child seat is provided. A ventilation mat with an embedded heating wire is mounted on a body of the child seat, so ventilation air is discharged toward a child's body through the ventilation mat in summer or when ventilation is required, and heating wire embedded in the ventilation mat is driven in winter, thus providing a comfortable seating environment for a child sitting on the child seat, and improving the sitting comfort of a child.

Abstract: Provided are a device and method for synchronizing data between hubs in real time. The method includes verifying a session interworking environment, deriving session negotiation candidates, generating a session negotiation protocol message, transmitting a session negotiation request signal including the generated session negotiation protocol message to a second data hub, receiving a session negotiation settlement signal corresponding to the session negotiation request signal from the second data hub, generating a session module on the basis of the session negotiation settlement signal, and transmitting a session negotiation settlement signal to the second data hub.

Abstract: An object is to provide a material for an organic EL device having excellent hole injection and transport performance, electron blocking ability, stability in a thin film state, and durability, and further to provide an organic EL device having high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device having excellent hole and electron injection and transport performance, electron blocking ability, stability in a thin film state, and durability in such a manner that the characteristics of each of the materials can be effectively exhibited. An organic EL device was fabricated by focusing on the fact that a triarylamine compound having a specific structure has excellent hole injection and transport ability, thin film stability, and durability, and selecting a specific arylamine compound as a material for forming a second hole transport layer, and the invention was completed.

Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organoelectroluminescent device comprising same. The present invention can implement a high-efficiency and long-lifetime organoelectroluminescent device with significantly improved luminous efficiency, and thus can be effectively used for industrial applications including flat display devices, flexible display devices, monochromatic or white flat lighting devices, and monochromatic or white flexible lighting devices.

Abstract: An LED driving circuit adjusts a PWM driving frequency in light emitting diode driving, and changes a PWM frequency of an LED driving circuit in response to a frequency of a PWM clock signal delivered externally or internally.

Abstract: A three-dimensional thread making method using ultrasonic waves is provided. The method includes inserting a yarn into a position corresponding to an engraved pattern of a mold base between an ultrasonic wave generator and the mold base at positions adjacent to each other, applying ultrasonic waves to the yarn while the ultrasonic wave generator pressurizes the yarn, and injecting a medical anti-loosening member made in a form of the engraved pattern due to the ultrasonic waves. The medical anti-loosening member includes a medical three-dimensional thread formed to have a plurality of protrusions facing each other on both sides and a medical anti-loosening screw.

Abstract: A system and method for controlling a motor-driven child seat for a vehicle, may easily allow a seat control unit to perform the power supply and drive control for various electric parts of the motor-driven child seat by connecting between the seat control unit configured to control various electric parts of a vehicle seat and various electric parts of the motor-driven child seat using a connector so that power supply and control signals may be exchanged therebetween when the motor-driven child seat is mounted on the vehicle seat.

Abstract: A polycyclic aromatic derivative compound according to the present invention is employed in an organic layer in a device, thus being able to implement a high-efficiency organic light-emitting device, and thus can be industrially and effectively used in various display devices such as flexible displays, and illumination apparatuses such as monochromatic or white flat illumination and monochromatic or white flexible illumination.

Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be used in a variety of organic material layers in an organic light-emitting element, and an organic light-emitting element comprising the polycyclic aromatic derivative compound, the highly efficient and long-life organic light-emitting element having significantly improved light-emitting efficiency by employing the polycyclic aromatic compound as a dopant compound in a light-emitting layer, and an anthracene derivative having a particular structure as a host compound.

Abstract: An integrated circuit (IC) chip includes a plurality of interlayer channels; at least one data pad; an identification (ID) generation circuit suitable for generating a chip ID signal by decoding a command/address signal; a first transmission circuit suitable for transferring a plurality of internal data pieces to a transmission path by aligning a plurality of interlayer data pieces respectively transferred from the plurality of interlayer channels according to a plurality of strobe signals while selectively inverting the plurality of interlayer data pieces according to the chip ID signal; and a second transmission circuit suitable for transferring the plurality of internal data pieces from the transmission path to the at least one data pad.

Abstract: An objective of the present invention is to provide an organic EL device having high efficiency, low driving voltage and long lifetime by using a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also by employing, in combination, the aforementioned material and various other materials for organic EL devices offering excellent hole/electron injectability and transportability, electron blockability, stability in a thin-film state, and durability, in a manner that the properties of each material can be brought out effectively. The present invention relates to an organic electroluminescence device having, between an anode and a cathode, at least a hole transport layer, a light-emitting layer, and an electron transport layer in this order from the anode side, wherein the hole transport layer contains a triarylamine compound having a specific structure.

Abstract: The present disclosure relates to a novel method for manufacturing a deuterated boron compound and, more specifically, to a novel method for manufacturing a boron compound including a heteroaromatic ring, whereby the deuterated polycyclic ring compound guarantees excellent longevity as a dopant material in a light-emitting layer for the organic light-emitting diode and can be produced at high yield, with the improvement of facilitation and economy in the process due to the single deuteration step for the specific intermediate.

Abstract: The present disclosure relates to an LED driving technology. According to the present disclosure, it is possible to increase the fineness of the gray scale without increasing a frequency of a clock by combining a plurality of driving current sources to generate a driving current supplied to one driving line.

Abstract: The present embodiment relates to a technology for facilitating an increase of the number of LEDs to be driven by communication of a clock signal between chips forming a daisy chain when driving LEDs. The communication of a clock signal as well as data between chips allows improve the synchronization between the clock signal and data.

Abstract: A display device may include a substrate, a buffer layer on the substrate, a first active pattern on the buffer layer, the first active pattern having a first thickness, a second active pattern on the buffer layer spaced from the first active pattern and having a second thickness smaller than the first thickness, a first gate insulating layer on the first active pattern and the second active pattern, a first gate electrode on the first gate insulating layer, the first gate electrode overlapping the first active pattern, and a second gate electrode on the first gate insulating layer, the second gate electrode overlapping the second active pattern.

Abstract: A connector device electrically connected to a circuit board includes: a body portion connected externally; a housing surrounding at least a portion of the body portion; a first terminal extending downward from the body portion and connected to a first capacitor of the circuit board; a second terminal extending downward from the body portion to be spaced apart from the first terminal and connected to a second capacitor of the circuit board; and a ferrite core through which the second terminal passes.

Abstract: A device for automatically adjusting an angle of a monitor on a vehicle seat back includes: a fixation bracket on a front seat back upper-frame; a first rotation bracket on an upper portion of the fixation bracket; a second rotation bracket on a lower portion of the fixation bracket; a monitor on a front surface of the first rotation bracket; a motor on a bottom surface of the second rotation bracket; an angle adjustment bar integrally combined with a rear surface of the first rotation bracket; a lead screw, whose lower portion is connected to an output shaft of the motor, and whose upper portion passes through the second rotation bracket; and an ascending and descending member having a threaded hole such that the ascending and descending member fastened to the lead screw while being fastened to an end portion of the angle adjustment bar.

Abstract: Disclosed is a headrest having a speaker, the headrest including: a headrest frame having a rear surface to which a driving module is coupled so that the headrest frame is movable forwards, rearwards, or vertically in response to operation of the driving module, the headrest frame having a front surface formed with a mounting space recessed rearwards; a speaker, inserted into the mounting space in the headrest frame, provided with an output portion facing forwards and outputting sound, the speaker having a rear side closed by the headrest frame; a foam pad, mounted on the front surface of the headrest frame so as to cover the headrest frame and the speaker, having formed therein a first through hole outputting sound forwards at a position corresponding to the output portion; and a covering configured to cover the front surface of the foam pad and forming the front exterior of the headrest.

Abstract: A polycyclic aromatic compound or a condensed multimer thereof, according to the present invention, is employed in an organic layer in an organoelectroluminescent device, thereby enabling the implementation of an organoelectroluminescent device having high efficiency and a long lifespan, and thus the present invention may be industrially useful in various display devices such as a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, and a monochromatic or white flexible lighting device.