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

Abstract: A sound vibration actuator includes: a bracket and a casing for forming an internal space; a coil part coupled to the bracket in the internal space; a magnet part disposed around the coil part; an elastic member whose one surface coupled to the magnet part; a substrate fixed to the bracket and exposed outward from the internal space; and a substrate seating part disposed on the outer peripheral surface of the casing, wherein the substrate is disposed on top of the substrate seating part. The sound vibration actuator reduces the entire thickness thereof, while constantly maintaining an amount of vibration and generate vibrations in various frequency bands because the coil and the magnet are not fixed in the process where the vibrations are generated.

Abstract: Disclosed herein is a demodulation method of a Layer-Division Multiplexing (LDM) system. The demodulation method may include receiving an LDM modulation signal, restoring a first-layer signal from the LDM modulation signal and remodulating the first-layer signal, restoring and remodulating a second-layer signal by performing cancellation of the amplitude component of the first-layer signal from the LDM modulation signal using signaling information independently of restoration and remodulation of the first-layer signal, and restoring a third-layer signal using the first-layer signal, the second-layer signal, and the LDM modulation signal.

Abstract: A storage device including, a plurality of non-volatile memories configured to include a memory cell region including at least one first metal pad; and a peripheral circuit region including at least one second metal pad and vertically connected to the memory cell region by the at least one first metal pad and the at least one second metal pad, and a controller connected to the plurality of non-volatile memories through a plurality of channels and configured to control the plurality of non-volatile memories, wherein the controller selects one of a first read operation mode and a second read operation mode and transfers a read command corresponding to the selected read operation mode to the plurality of non-volatile memories, wherein one sensing operation is performed to identify one program state among program sates in the first read operation mode, and wherein at least two sensing operations are performed to identify the one program state among the program states in the second read operation mode.

Abstract: The present invention provides: a method for manufacturing a polyimide film for a graphite sheet having improved thermal conductivity; and the polyimide film. The present invention also provides a graphite sheet having excellent thermal conductivity, which is manufactured using the polyimide film.

Abstract: Disclosed is an apparatus for transmitting wireless power including: a plurality of coils; a position-sensing circuit that determines a position of an electronic device charged by the apparatus; and a control circuit determines at least one coil corresponding to the determined position of the electronic device from among the plurality of coils and transmit wireless charging power through one coil selected from the at least one determined coil. Other embodiments can be applied.

Abstract: A display device includes a timing controller configured to supply a first set signal to a data control signal line in a first frequency mode, and to supply a second set signal and a data signal to the data control signal line in a second frequency mode that is different from the first frequency mode, a data driver configured to recover the data signal supplied to the data control signal line according to a signal recovery characteristic value, to generate a plurality of data voltages based on the recovered data signal, and to adjust the signal recover characteristic value based on the first set signal and the second set signal, and a display unit including a plurality of pixels that emit lights with gray scales corresponding to the plurality of data voltages.

Abstract: A switching regulator configured to generate an output voltage based on an input voltage is provided. The switching regulator includes: an inductor; and a capacitor circuit configured to generate the output voltage by charging an inductor current passing through the inductor from the input voltage, provide a first capacitance as a load capacitance based on the output voltage being a first level or a second level, and provide a second capacitance, which is less than the first capacitance, as the load capacitance based on the output voltage being between the first level to the second level.

Abstract: The present invention provides a graphite sheet polyimide film derived from a first precursor composition comprising a first polyamic acid, the polyimide film comprising a sublimable inorganic filler and a graphene-containing spherical polyimide-based filler.

Abstract: The present invention provides: a graphite sheet polyimide film, which is derived from a first precursor composition comprising a first polyamic acid and comprises a sublimable inorganic filler and a spherical polyimide-based filler; a manufacturing method therefor; and a graphite sheet manufactured using the same.

Abstract: The present disclosure provides a polyimide film prepared from a precursor composition containing a polyamic acid and an organic solvent and having a value of (first FWHM?second FWHM)/(first FWHM+second FWHM) which is less than 0.4, a graphite sheet prepared from the polyimide film, and a method for preparing a graphite sheet.

Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.

Abstract: Disclosed herein is a demodulation method of a Layer-Division Multiplexing (LDM) system. The demodulation method may include receiving an LDM modulation signal, restoring a first-layer signal from the LDM modulation signal and remodulating the first-layer signal, restoring and remodulating a second-layer signal by performing cancellation of the amplitude component of the first-layer signal from the LDM modulation signal using signaling information independently of restoration and remodulation of the first-layer signal, and restoring a third-layer signal using the first-layer signal, the second-layer signal, and the LDM modulation signal.

Abstract: The present invention relates to an image encoding/decoding method and device. The image decoding method according to the present invention comprises the steps of: decoding a prediction mode index; determining whether the prediction mode index indicates function-based intra prediction; inducing a parameter (s) for generating a function, when the prediction mode index indicates the function-based intra prediction; generating the function on the basis of the induced parameter (s); and performing intra prediction by using the generated function.

Abstract: A data transfer circuit and a memory device including the data transfer circuit are provided. The data transfer circuit includes a first regulator provided with an external voltage to output a first internal voltage; a second regulator configured in a same manner as the first regulator and provided with the external voltage to output a second internal voltage; an amplifier configured for amplifying noise between the first internal voltage and the second internal voltage to output an amplification voltage; and a plurality of peripheral circuits performing by being provided with the first internal voltage.

Abstract: A delay control circuit, which may be included in a memory device, includes a delayed signal generator configured to generate an output signal by delaying an input signal in response to a delay control signal and a delay information generator configured to generate delay information indicating an output delay between the input signal and the output signal. The delay control circuit also includes a delay control signal generator configured to, based on a result of a comparison between target delay information indicating a target delay between the input signal and the output signal and based on the delay information, generate the delay control signal for controlling the output delay and fix the output delay at the target delay in response to the delay control signal.

Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.

Abstract: A quasi-coaxial transmission line, a semiconductor package including the same and a method of manufacturing the same are disclosed. The quasi-coaxial transmission line includes a core, which is formed through an upper surface and a lower surface of a base substrate so as to transmit an electrical signal, and a shield, which is spaced apart from the core and which coaxially surrounds a side surface of the core, at least a portion of the shield being removed so as to form an open portion. The quasi-coaxial transmission line is capable of preventing distortion of an electrical signal at a portion thereof that is connected to an external circuit board and to reduce an area of a semiconductor package including the quasi-coaxial transmission line.

Abstract: A semiconductor package includes a semiconductor chip including an electrode pad formed on the top surface thereof, a passive device embedded in the semiconductor package, the passive device having no functional electrode on the top surface thereof, a cover layer covering the semiconductor chip and the passive device, and at least one electrode pattern formed on the cover layer to transmit electrical signals. The cover layer includes at least one first opening formed to expose a region in which the functional electrode is to be formed. The electrode pattern includes a functional electrode portion formed in a region in which the functional electrode of the passive device is to be formed through the first opening. In the process of forming the electrode pattern, a functional electrode of the passive device is formed together therewith, thereby eliminating a separate step of manufacturing a functional electrode and thus reducing manufacturing costs.

Abstract: A film tension control system according to an embodiment of the present disclosure includes a delamination unit installed on a transfer path of a polarizing plate to delaminate a release film from a polarizing film, the polarizing plate including the polarizing film and the release film attached to one surface of the polarizing film, an inspection unit installed on a transfer path of the polarizing film to inspect if impurities are present in an adhesive layer formed on one surface of the polarizing film, a tension indication unit installed on a movement path of the release film to indicate a degree of tension applied to the release film, a re-lamination unit to re-laminate the release film having passed through the tension indication unit on the adhesive layer of the polarizing film having passed through the inspection unit, and a tension adjustment unit installed on the transfer path of the re-laminated polarizing plate to adjust the tension of the optical film and the release film.