Dongju
Dongju Kim, Busan KR
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20150187319 | Liquid Crystal Display and Method for Driving the Same - A liquid crystal display is disclosed. The liquid crystal display includes a power module, which senses an input voltage and outputs a mode conversion signal when the input voltage is equal to or less than a reference voltage, and a timing controller which changes a driving mode of a source driver integrated circuit (IC) in response to receiving the mode conversion signal from the power module. | 07-02-2015 |
Dongju Kim, Seoul KR
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20150373401 | SERVER, HOME DEVICE ACCESS SERVER, TERMINAL, AND HOME DEVICE REMOTE CONTROL SYSTEM INCLUDING THE SAME - The server includes a first interface unit to exchange data with a terminal, a second interface unit to exchange data with a home device access server, a third interface unit to receive product information and network information of at least one home device, a storage unit to store the product information and the network information of the at least one home device, and a processor to control network information of the server to be transmitted to the home device access server via the second interface unit and, upon receiving an access request for the at least one home device from the terminal based on a web screen displayed in response to a web browser operated by the terminal, to control the network information of the at least one home device to be transmitted to the terminal. | 12-24-2015 |
Dongju Lee, Daejeon KR
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20150069288 | HEXAGONAL BORON NITRIDE NANOSHEET/CERAMIC NANOCOMPOSITE POWDER AND PRODUCING METHOD OF THE SAME, AND HEXAGONAL BORON NITRIDE NANOSHEET/CERAMIC NANOCOMPOSITE MATERIALS AND PRODUCING METHOD OF THE SAME - The present disclosure relates to hexagonal boron nitride nanosheet/ceramic nanocomposite powder including surface-modified hexagonal boron nitride nanosheets which serve as a reinforcing agent for the matrix ceramic, and a method for producing the same, and a hexagonal boron nitride nanosheet/ceramic nanocomposite material including the hexagonal boron nitride nanosheet/ceramic nanocomposite powder and a method for producing the same. | 03-12-2015 |
Dongju Lee, Seoul KR
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20160034887 | WEARABLE DEVICE AND METHOD FOR CONTROLLING THE SAME - A wearable device including a touchscreen; a wireless communication unit configured to communicate with an external terminal including an electronic wallet (SE, Secure Element), the external terminal wirelessly linked with the wearable device; and a controller configured to receive a preset user gesture, receive information relating to an account of the electronic wallet (SE) from the external terminal in response to the preset user gesture, display the received information on the touchscreen, and process an NFC (Near Field Communication) payment using the information displayed on the touchscreen. | 02-04-2016 |
Dongju Lee, Daegu KR
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20160112792 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING AUDIO INPUT/OUTPUT - Disclosed is an electronic device including an interface unit that communicates with an external device in wireless or wired communication, a resonance sensor unit that detects a frequency resonance signal of the external device, and a controller that detects at least one input from the external device through the resonance sensor unit, determines an audio input or output activation state of the electronic device in response to the communication connection state with the external device, and controls an audio input or output operation of the electronic device based on the detection of the at least one input and the determination of the audio input/output activation state. | 04-21-2016 |
Dongju Lee, Gwangju KR
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20150215051 | MIXER AND MIXING METHOD - Disclosed herein is a mixer. The mixer may include an MLO switching unit configured to include at least three MLO switches provided in odd numbers and configured to branch a signal from an input stage and to receive respective MLO signals and an LO switching unit configured to include pairs of LO switches connected in parallel to output sides of the MLO switches, wherein each of the pairs of LO switches corresponds to each of the MLO switches. Each of the pairs of LO switches is connected to the positive and negative intermediate frequency (IF) output sides so that the output sides of each of the pairs of LO switches alternately apply output signals to the positive and negative IF output sides when LO signals are sequentially input to each of the pairs of LO switches. | 07-30-2015 |
Dongju Lee, Pyeongtaek KR
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20150159921 | CRYOCOOLER FOR NOISE AND VIBRATION REDUCTION AND CRYOPUMP INCLUDING THE SAME - Disclosed herein are a cryocooler for noise and vibration reduction, which is used to create a high to ultrahigh vacuum environment, and a cryopump including the same. The cryocooler for producing a cryogenic temperature by expanding a refrigerant gas includes a cooler main body having a receiving space, a cylinder main body connected to the cooler main body and having a receiving space, a motor received in the cooler main body, a reciprocator received in the cylinder main body and connected to the motor to move linearly by rotary motion of the motor, an inlet valve received in the cooler main body and connected to a compressor to introduce a refrigerant gas into the cylinder main body, an outlet valve received in the cooler main body and connected to the compressor to discharge the refrigerant gas from the cylinder main body, and an inlet diffuser disposed at a front or rear end of the inlet valve and having a plurality of openings, wherein the refrigerant gas is introduced into the cylinder main body through the inlet diffuser when the inlet valve is open, and the openings of the inlet diffuser have a diameter of 1 mm or less. As such, the cryocooler can be applied to manufacturing fields requiring sensitive working environments by reducing noise and vibration generated during periodic repetition of high and low pressures by a refrigeration cycle in a cryopump. | 06-11-2015 |