Abstract: Disclosed herein are a Bluetooth signal receiving device and a Bluetooth Smart receiving method. The Bluetooth signal receiving device includes a frequency shift demodulator circuit, a sampler circuit, a training bit pattern discriminator circuit, and a symbol timing offset compensation circuit. The frequency shift demodulator circuit generates a baseband signal by performing frequency shift modulation on a received signal. The sampler circuit samples the baseband signal based on a symbol timing, and generates a plurality of series of bit streams based on sampled values. The training bit pattern discriminator circuit determines whether the plurality of series of bit streams generated by the sampler circuit satisfies a training bit pattern condition. The symbol timing offset compensation circuit compensates the symbol timing of the baseband signal based on a measured error metric as an effective error metric if the plurality of series of bit streams satisfies the training bit pattern condition.

Abstract: Disclosed herein are a Bluetooth signal receiving device and method. The Bluetooth signal receiving device includes a frequency shift demodulator circuit, a sampler circuit, a training bit pattern discriminator circuit, and a frequency offset compensation circuit. The frequency shift demodulator circuit generates a baseband signal by performing frequency shift demodulation on a received signal, and generates a frequency proportion signal having a value proportional to the frequency of the baseband signal. The sampler circuit generates a plurality of series of bit streams from the frequency proportion signal. The training bit pattern discriminator circuit determines whether the plurality of series of bit streams generated by the sampler circuit satisfies a training bit pattern condition.

Abstract: Estimating a location of a device indoor by measuring a location of a terminal based on a starting point using a sensor, receiving a signal from the device located in the room through short-range communication, storing a plurality of first locations in which the signal is received from the device and an intensity of the signal, determining a center point of a plurality of second locations in which the intensity of the signal is equal to or greater than a reference value at a corresponding location among the plurality of first locations or belonging to a higher reference range are selected in descending order of the intensity of the signal from the plurality of first locations, and determining an estimated location for the device using a probability distribution model.

Abstract: Provided are a light emitting device package and a lighting system including the light emitting device package. The light emitting device package includes a package body, at least one electrode on the package body, a light emitting device on the package body, a reflective structure around the light emitting device on the package body and a lens on the light emitting device and the electrode.

Abstract: The present invention relates to a stripper composition for removing photoresists which comprises: a chained amine compound having a weight average molecular weight of more than 95 g/mol; a chained amine compound having a weight average molecular weight of not more than 90 g/mol; a cyclic amine compound; an amide-based compound in which a linear or branched alkyl group having 1-5 carbon atoms is mono- or di-substituted with nitrogen; and a polar organic solvent, wherein the weight ratio of the chained amine compound having a weight average molecular weight of more than 95 g/mol to the chained amine compound having the weight average molecular weight of not more than 90 g/mol is 1:1 to 1:10, and a method for stripping a photoresist using the same.

Abstract: Embodiments provide a light emitting device package including a package body having a through-hole; a radiator disposed in the through-hole and including an alloy layer having Cu; and a light emitting device disposed on the radiator, wherein the alloy layer includes at least one of W or Mo, and wherein the package body includes cavity including a sidewall and a bottom surface, and wherein the through-hole is formed in the bottom surface.

Abstract: Provided are a light emitting device package and a lighting system including the light emitting device package. The light emitting device package includes a package body, at least one electrode on the package body, a light emitting device on the package body, a reflective structure around the light emitting device on the package body and a lens on the light emitting device and the electrode.

Abstract: A light emitting device may include a first conductive type semiconductor layer, an active layer including a quantum well and a quantum wall on the first conductive type semiconductor layer, an undoped last barrier layer on the active layer; an AlxInyGa(1-x-y)N (0?x?1, 0?y?1)-based layer on the undoped last barrier layer; and a second conductive type semiconductor layer on the AlxInyGa(1-x-y)N-based layer. The undoped last barrier layer may be provided between the AlxInyGa(1-x-y)N (0?x?1, 0?y?1)-based layer and a last quantum well which is closest to the second conductive type semiconductor layer among the quantum well and may include a first Inp1Ga1-p1N (0<p1<1) layer, an Alq1Inq2Ga1-q1-q2N (0<q1, q2<1) layer on the first Inp1Ga1-p1N layer, and a second Inp2Ga1-p2N (0<p2<1) layer on the Alq1Inq2Ga1-q1-q2N layer.

Abstract: The present invention relates to a cage assembly for spinal interbody fusion comprising: a main body which is inserted between a vertebral body of a spine from which a disc is removed, and a neighboring vertebral body; a first screw part which is formed on the upper surface of the main body, and which has a spiral shape formed along a first direction heading outward from the center; a second screw part which is formed on the lower surface of the main body, and which has a spiral shape formed along a second direction heading outward from the center; and a space part which is formed to penetrate the upper surface and the lower surface of the main body, and which enables the bones forming the vertebral body and the neighboring vertebral body to fuse together. The purpose of the present invention is to promote the smooth progress of surgery for the bone fusion of two neighboring vertebral bodies, or more than two vertebral bodies, forming the spine.

Abstract: A method of controlling an automatic gain in a receiver includes receiving an input signal through an antenna of the receiver, by an automatic gain control unit of the receiver, setting a final RF gain, and by the automatic gain control unit, setting an IF gain in a state that the final RF gain is set.

Abstract: Provided are a composition for an anisotropic conductive adhesive, a method of forming a solder bump and a method of forming a flip chip using the same. The composition for an anisotropic conductive adhesive includes a low melting point solder particle and a thermo-curable polymer resin. The anisotropic conductive adhesive includes forming a mixture by mixing a polymer resin and a curing agent, and mixing a deforming agent, a catalyst or a reductant with the mixture.

Abstract: The embodiment relates to a light-emitting device, a method of manufacturing the same, a light-emitting device package, and a lighting system. A light-emitting device according to the embodiment may include: a first conductive semiconductor layer; a gallium nitride-based superlattice layer on the first conductive semiconductor layer; an active layer on the gallium nitride-based superlattice layer; a second conductive gallium nitride-based layer on the active layer; and a second conductive semiconductor layer on the second conductive gallium nitride-based layer. The second conductive gallium nitride-based layer may include a second conductive GaN layer having a first concentration, a second conductive InxAlyGa(1-x-y)N (0<x<1, 0<y<1) layer having a second concentration and a second conductive AlzGa(1-z)N (0<z<1) layer having a third concentration on the active layer.

Abstract: Provided is an image registration device including a first feature vector magnitude calculating unit calculating magnitudes of feature vectors corresponding to any one first feature point among feature points of a reference image to create a first magnitude value, a second feature vector magnitude calculating unit calculating magnitudes of feature vectors corresponding to any one second feature point among feature points of a target image to create a second magnitude value, a magnitude difference calculating unit receiving the first and second magnitude values and calculating a difference between the received first and second magnitude values to create a third magnitude value, a first threshold value creating unit creating a first threshold value on the basis of the first magnitude value and a magnitude ratio, and a magnitude difference determining unit receiving the third magnitude value and the first threshold value, and determining a magnitude difference.

Abstract: Provided is a pumping type toothpaste product including a toothpaste composition. The toothpaste composition includes a polishing agent, and thus prevents the piston of a pumping type container from being worn by the polishing agent contained in the toothpaste composition so that the contents of the container may be ejected out smoothly. Also provided is a gel-like toothpaste composition having excellent viscosity retentivity. Further, provided is an oral composition showing high elasticity even at low viscosity, undergoing little change in viscosity with time and having significantly improved shape retentivity, flowability and dispersion stability through the synergic effect of xanthan gum and a thickening polymer.

Abstract: Provided is a sensing circuit for recognizing a movement including: at least one light emitting device outputting light; at least one light receiving device receiving the light reflected by an object on the light emitting device and generating a plurality of current signals proportional to an amount of incident light; a signal conversion unit converting the plurality of current signals into a plurality of digital signals; a recognition unit measuring a synthetic digital signal to determine whether an object moves by receiving the plurality of current signals; and a control unit controlling the recognition unit, wherein the recognition unit generates a clock signal for the synthetic digital signal greater than a critical value and measures a count generated by the clock signal; and the control unit determines whether the object moves through a comparison of the count and a reference value.

Abstract: Disclosed is a light emitting device including a first conductive type semiconductor layer; a second conductive type semiconductor layer disposed on the first conductive type semiconductor layer; and an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, the active layer comprising quantum well layers and quantum barrier layers, wherein each of the quantum well barrier layers comprises first barrier layers and a second barrier layer disposed between the first barrier layers, and an energy bandgaps of the second barrier layer is larger than energy bandgaps of the quantum well layers and smaller than energy bandgaps of the first barrier layers.

Abstract: Embodiments of the present invention include a light emitting element, a method for manufacturing the light-emitting element according to one embodiment of the present invention, comprises: a first conductive semiconductor layer 112; a GaN-based superlattice layer 124 on the first conductive semiconductor layer 112; an active layer 114 on the GaN-based superlattice layer 124; and a second conductive semiconductor layer 116 on the active layer 114, wherein the GaN-based superlattice layer 124 has a bandgap energy level that varies in a direction from the first conductive semiconductor layer 112 to the active layer 114.

Abstract: A light emitting module is disclosed. The light emitting module includes a circuit board, a plurality of light emitting devices mounted on the circuit board and spaced apart from each other, molding parts wrapping the respective light emitting devices, and a reflective member disposed on the circuit board to surround the light emitting devices. The reflective member has a height greater than that of each of the molding parts. The reflective member has a plurality of openings exposing the light emitting devices, and each of the openings has a reflective side wall extending upward from the circuit board.

Abstract: A battery charging apparatus includes a converting unit, first and second charging units and a switching unit. The converting unit separately convert AC power into a first voltage and a second voltage. The first charging unit drops the converted first voltage and charge a high voltage battery with the dropped first voltage. The second charging unit drops the converted second voltage or a third voltage of the high voltage battery, and charges an auxiliary battery with the dropped second or third voltage. The switching unit performs, in a first mode, the charging of the high voltage battery and the auxiliary battery by the AC power, and in a second mode, stops the charging of the high voltage battery by the AC power and performs the charging of the auxiliary battery by the third voltage.

Abstract: A piezoelectric micro energy harvester and manufacturing method thereof, the method including: forming an insulation film on a substrate; patterning the insulation film and forming an electrode pad pattern, a center electrode pattern, and a side electrode pattern; forming an open cavity at an inside of the substrate for suspension of the center electrode pattern and the side electrode pattern; disposing a conductive film on the electrode pad pattern, the center electrode pattern, and the side electrode pattern and forming electrode pads, a center electrode, and a side electrode; and forming a piezoelectric film so as to cover a space between the center electrode and the side electrode and upper surfaces of the center electrode and the side electrode.