Abstract: A current mirror circuit includes a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; and a voltage compensation circuit disposed between one terminal of the first transistor and one terminal of the second transistor and configured to compensate for a difference between voltages of the one terminals of the first transistor and the second transistor.

Abstract: The present invention relates to a novel phenanthroline-based compound and an organic light-emitting device having high efficiency characteristics comprising same. More particularly, the present invention relates to a phenanthroline-based compound exhibiting high efficiency by including a phenanthroline-based compound having a specific structure as a material for a charge generation layer in an organic light-emitting device, and to an organic light-emitting device comprising same, wherein [Chemical Formula A] is the same as described in the detailed description of the invention.

Abstract: The triarylamine compound having a specific structure in the present invention is excellent in hole injection/transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics. The triarylamine compound having a specific structure in the present invention is excellent in hole injection/transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics.

Abstract: Provided is a method of controlling liquid medication injection including: receiving, by an electronic device for controlling liquid medication injection, blood glucose values measured by a liquid medication injection device in which a liquid medication injection logic is programmed; generating, by the electronic device for controlling liquid medication injection, a blood glucose change pattern by using the blood glucose values over time; generating, by the electronic device for controlling liquid medication injection, a signal for changing the liquid medication injection logic taking into account a directivity of the change in the blood glucose value according to the blood glucose change pattern; and transmitting, by the electronic device for controlling liquid medication injection, the signal for changing the liquid medication injection logic to the liquid medication injection device.

Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device having high efficiency and long lifespan, the device applying the compound in various organic layers so as to remarkably improve luminous efficiency. According to the invention, an organic light-emitting device having high efficiency and long lifespan and having remarkably improved luminous efficiency can be implemented, and thus can be industrially useful in various display devices and lighting devices.

Abstract: Provided herein may be a semiconductor memory device including a memory cell, a read and write circuit, a current sensing circuit, and control logic. The memory cell array includes a plurality of memory cells. The read and write circuit includes a plurality of page buffers coupled to the plurality of memory cells through a plurality of bit lines, respectively. The current sensing circuit is coupled to the read and write circuit through a plurality of sensing lines. The control logic is configured to control operations of the current sensing circuit and the read and write circuit. At least two page buffers among the plurality of page buffers are coupled to one of the plurality of sensing lines. The control logic controls the read and write circuit to simultaneously perform a current sensing operation for the at least two page buffers.

Abstract: An embodiment relates to a technique for driving an LED display. In a method of controlling grayscale of pixels dividedly by N subframes (N is a natural number of 2 or greater), a pulse width modulation (PWM) control value of each subframe may be calculated by a precalculator disposed at a front end of latches, thereby simplifying a circuit.

Abstract: A crystallization method of amorphous silicon includes forming amorphous silicon on a substrate; first-irradiating a laser beam on the amorphous silicon while moving the substrate in a first direction; moving a position of the substrate in a second direction perpendicular to the first direction, and second-irradiating a laser beam on the amorphous silicon while moving the substrate in an opposite direction to the first direction.

Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color or white flexible lighting device.

Abstract: An organic electroluminescent element including an anode and a cathode and including, between the anode and the cathode, at least a first hole transport layer, a second hole transport layer, a blue-light-emitting layer, and an electron transport layer disposed in this order from the anode side, in which at least one of the layers disposed between the first hole transport layer and the electron transport layer includes an arylamine compound represented by general formula (1).

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: An embodiment relates to an LED driving technique. The embodiment provides a technique of measuring a forward voltage reaching time of a currently driven LED by comparing a forward voltage sensed in a previous scan line and an LED voltage sensed in a current scan line, and compensating an ON period of a pulse width modulation (PWM) signal by the measured forward voltage reaching time.

Abstract: The present disclosure relates to a technology for driving an LED, comprising sensing a forward-direction voltage of an LED and determining whether or not the LED is defective by comparing the forward-direction voltage with a comparative object voltage, wherein the comparative object voltage is continuously updated using a sensed forward-direction voltage so that the comparative object voltage may be set to be an unfixed value, that is, a value reflecting a current state of an LED. This allows a more accurate detection of a defect of an LED.

Abstract: The present disclosure provides a current mirror circuit including a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; a capacitor disposed between the first transistor and the second transistor and configured to store a voltage of a gate terminal of the second transistor therein; and a first switch disposed between the first transistor and the second transistor and configured to adjust an input current of the gate terminal of the second transistor.

Abstract: A power supply device for a vehicle child seat includes an anchor housing mounted on a rear seat, an anchor and a power supply connector, which are positioned within the anchor housing, a latch bar mounted on a child seat and fastened on the anchor in a locked manner, a connector module slidably fastened to the latch bar, and a power connection connector integrally combined with the connector module and removably fastened to the power supply connector.

Abstract: A substrate treatment apparatus including a chamber; a lower electrode in the chamber, wherein the substrate is on the lower electrode; an upper electrode in the chamber, and above the lower electrode; a pulse signal generator configured to generate a pulse signal; and a bias power supply configured to generate bias power having a pulsed non-sinusoidal waveform using the pulse signal, and supply the generated bias power to the lower electrode, wherein the bias power supply includes a DC power generator configured to receive the pulse signal and generate a direct-current (DC) voltage subjected to feedforward compensation based on the pulse signal; and a modulator configured to generate a power signal having a non-sinusoidal waveform using the DC voltage, and filter the power signal using the pulse signal to generate the bias power having the pulsed non-sinusoidal waveform.

Abstract: Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.

Abstract: An infrared image sensor includes: a plurality of reference circuits configured to provide a plurality of reference analog values to a plurality of bolometer cells, respectively; a front-end analog circuit configured to collect a plurality of output analog values according to the plurality of reference analog values; and a noise suppression circuit configured to switch a correspondence between the plurality of bolometer cells and the plurality of reference analog values at unit time intervals.

Abstract: A camera module actuator includes: a magnet disposed on a lens barrel; a driving coil disposed opposite to the magnet; and a driving device including a comparer that calculates an error value by comparing a target position of the lens barrel with a current position of the lens barrel, a controller IC that generates a control signal by applying control gains to the error value, and a driving circuit that generates a driving signal in response to the control signal. The controller IC determines the control gains based on a friction coefficient between a guide groove guiding movement of the lens barrel and a ball bearing contacting the guide groove. The controller IC provides a detection signal having a gradually increasing level to the driving coil, and determines the friction coefficient based on a level of the detection signal at a point in time of movement of the lens barrel.

Abstract: According to the aspect of the present disclosure, various forms of medical 3D threads produced using ultrasonic waves are provided. Thus, we can expect high satisfaction with the medical 3D threads having high tensile strength and holding power. The medical 3D threads can be produced to have about twice as many barbs as conventional medical threads and can be produced using ultrasonic waves without damaging yarn or making knots. Thus, it is possible to overcome the cause of a decrease in physical strength.