Abstract: According to one embodiment, a photo detector-combined illuminance sensor includes a circuit for a Photo Detector (PD) function to detect the illuminance of the ambient environment. The illuminance sensor operates under the control of a controller in a visible light communication terminal. When an optical signal detected by the illuminance sensor is a visible light communication signal, the controller switches to cause the illuminance sensor to operate as the photo detector for the visible light communication in a visible light communication mode.

Abstract: A method provides additional information from a server to a visible light communication terminal through visible light communication in an information display device having a Light Emitting Diode (LED) backlight unit. To this end, if content data regarding an image output through a screen of an information display device is provided from a server, it is determined whether additional information regarding an object of the image is included in the content data, and if so, the additional information is acquired from the content data. The information display device controls light emission of an LED backlight unit of a display unit based on the additional information, thus performing visible light communication. As such, various additional information regarding an object of an image displayed at a particular position of a current screen of the information display device can be provided to a visible light communication terminal.

Abstract: The present invention relates to Corynebacterium sp. that is transformed with an Escherichia sp.-derived fructokinase gene to express fructokinase showing a sufficient activity of converting fructose into fructose-6-phosphate, thereby preventing unnecessary energy consumption, and a method for producing L-amino acids using the strain. The transformed Corynebacterium sp. of the present invention is able to express fructokinase from the Escherichia-derived fructokinase gene to prevent unnecessary energy consumption during fructose metabolism, leading to more cost-effective production of L-amino acids. Therefore, it can be widely used for the effective production of L-amino acids.

Abstract: A method for aligning among visible light communication devices comprises the following steps: generating a visible light signal and transmitting same to a corresponding device; determining whether the visible light signal that is output via the screen of the device is identifiable; correcting the color of the visible light signal that is output on the screen if the visible light signal is not identifiable; and using the visible light signal that is corrected to perform alignment for visible light communicating with the corresponding device.

Abstract: Pixel arrays of an image sensor that include a first pixel and a second pixel adjacent the first pixel are provided. The first pixel may include a first photoelectric conversion device, a first charge storage device, a first floating diffusion node and a first transfer gate. The second pixel may include a second photoelectric conversion device, a second charge storage device, a second floating diffusion node and a second transfer gate. The pixel arrays may also include a storage gate on both the first charge storage device and the second charge storage device. The storage gate may have a unitary structure.

Abstract: A method for fabricating a semiconductor device includes forming a silicon-containing layer; forming a metal-containing layer over the silicon-containing layer; forming an undercut prevention layer between the silicon containing layer and the metal containing layer; etching the metal-containing layer; and forming a conductive structure by etching the undercut prevention layer and the silicon-containing layer.

Abstract: Methods and apparatus are provided for measuring a position of a mobile terminal. A first position is calculated by using a GPS signal. A visible light communication mode of the mobile terminal is activated, when the first position exceeds a predetermined error range. Visible light communication device position information is received. A third position is calculated by using a second position, which corresponds to a position prior to the first position, and the visible light communication device position information.

Abstract: An image sensor capable of boosting a voltage of a floating diffusion node is provided. The image sensor includes a floating diffusion node and a storage element which are in a semiconductor substrate. The image sensor includes a first light-shielding material formed over the floating diffusion node, and a second light-shielding material formed over the storage diode. The second light-shielding material is separated from the first light-shielding material. The image sensor also includes a first voltage supply line configured to apply a first voltage to the first light-shielding material and a second voltage supply line configured to apply a second voltage lower than the first voltage to the second light-shielding material.

Abstract: A light emitting diode (LED) driving device is provided. The LED driving device includes a rectifier configured to rectify alternating current (AC) power to generate rectified power; an AC driver configured to control operations of a plurality of LED groups so that the plurality of LED groups receive the rectified power generated by the rectifier; and a light amount controller configured to reduce an amount of current applied to the plurality of LED groups when a peak value of the rectified power is increased, and increase the amount of current applied to the plurality of LED groups when the peak value of the rectified power is reduced.

Abstract: An apparatus and a method for determining a gateway using lower power are provided. The method includes setting probing transmission power for setting the gateway, transmitting a probing request message to another mobile station existing in a cluster with the set probing transmission power, when a probing response message is received from the other mobile station, generating a probing response list for the mobile station having transmitted the probing response message, determining whether a cluster list for mobile stations existing in the cluster corresponds to the probing response list, and determining a gateway mobile station according to a result of the determination as to whether the cluster list for mobile stations existing in the cluster corresponds to the probing response list.

Abstract: A compound bow has an improved vibration damping function. The compound bow includes a bow main body including a handle and a pair of limbs; upper and lower pulley assemblies each including a pulley and a cam; a bowstring; first and second cam cables that are wound around the cam of each of the upper and lower pulley assemblies as the bowstring is pulled; a bowstring support bar whose one end is coupled to the handle and whose other end is coupled to a cushioning member that contacts the bowstring; and a first cam cable anti-vibration bar including a coupling bar coupled to the handle, and an anti-vibration member that is coupled to the rear end of the coupling bar and whose rear surface contacts one of the first and second cam cables when the bowstring is released to thus return to an original position.

Abstract: Provided are an image sensor and a method of manufacturing the same. The method may include forming a photo-electric conversion region and a charge storage region in a semiconductor layer; forming a transistor on a front surface of the semiconductor layer; forming a recess by etching a portion of the semiconductor layer between the charge storage region and a rear surface of the semiconductor layer; and forming on a bottom surface of the recess a shield film that blocks light incident on the charge storage region.

Abstract: A nanopore device including a nanopore formed by penetrating a thin layer, a nanochannel formed at an entrance of the nanopore, and a filler in the nanochannel, as well as a method of fabricating the nanopore device and an apparatus including the nanopore device.

Abstract: Provided are a method of manufacturing graphene, carbon nanotubes, fullerene, graphite, or a combination thereof having a regulated resistance, and a material manufactured using the method.

Abstract: An optical communication apparatus includes an optical signal transmitting unit to output an optical signal; an optical signal receiving unit to receive an optical signal; a retro-reflector to retro-reflect the received optical signal in a direction opposite to an incident angle of the received optical signal; and a control unit to direct the retro-reflector to receive the optical signal and to retro-reflect a response signal, which includes the received optical signal and data to be transmitted, in response to the received optical signal.

Abstract: A method and a lighting device for providing a Location Based Service (LBS) service providing a Location Based Service (LBS) based on Visible Light Communication (VLC) is provided. The method includes receiving, by at least one light source, data from a coordinator, the data including identification information of the at least one light source that corresponds to location information of the at least one light source, which is used by a terminal to identify a location of the at least one light source; and transmitting, by the at least one light source, the data to the terminal in a VLC signal.

Abstract: A pixel array includes an array of pixels to receive light, a first pixel to be blocked from receiving the light, and a circuit to adjust signals output from pixels in the array based on a signal from the first pixel. The signals output from the pixels in the array include a first error value. The circuit reduces the first error value in the signals from the pixels in the array based on the signal from the first pixel. The circuit may also reduce a second error value in the signals output from the pixels in the array based on a signal from a second pixel. The first and second pixels may be outside of the pixel array. The first and second error values may be storage diode leakage value and a dark current value.

Abstract: A method of processing signals from an image sensor outputting signals from rows of pixels in the image sensor having optical signals, outputting signals from rows of pixels in the image sensor not having optical signals, and correcting the signals from the rows of pixels having optical signals based on the signals corresponding to the rows of pixels not having optical signals.

Abstract: A compound bow has an improved vibration damping function. The compound bow includes a bow main body including a handle and a pair of limbs; upper and lower pulley assemblies each including a pulley and a cam; a bowstring; first and second cam cables that are wound around the cam of each of the upper and lower pulley assemblies as the bowstring is pulled; a bowstring support bar whose one end is coupled to the handle and whose other end is coupled to a cushioning member that contacts the bowstring; and a first cam cable anti-vibration bar including a coupling bar coupled to the handle, and an anti-vibration member that is coupled to the rear end of the coupling bar and whose rear surface contacts one of the first and second cam cables when the bowstring is released to thus return to an original position.

Abstract: A method and a device for performing communication in a wireless communication system are provided. In the wireless communication system, a transmitter determines a communication state for first devices using a first communication scheme for a first time interval, determines a duration of a second time interval to be allocated for the first devices, and transmits information on the second time interval having the determined duration to the first devices before the second time interval starts, wherein the first time interval and the second time interval are included in a frame allocated for a second communication scheme that different from the first communication scheme, wherein a frequency used for the first communication scheme is identical to a frequency used for the second communication scheme, and wherein a signal transmission operation of second devices using the second communication scheme is suspended during the first time interval and the second time interval.