Han-Byul
Han Byul Chang, Seoul KR
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20150085503 | LIGHTING APPARATUS - An illuminating device includes a light source module; a heat radiator including a heat radiating plate having a cavity open toward a front surface thereof and receiving the light source module therein and ventilation holes disposed along an edge of the cavity, and heat radiating fins extending to a rear surface of the heat radiating plate, disposed in a radial manner along an edge of the heat radiating plate and positioned between the ventilation holes to form ventilation channels therebetween communicating with the ventilation holes; a cooler fixed to the heat radiator to be in contact with ends of the heat radiating fins and including air jet holes allowing air to be blown toward the heat radiator; and an electrical connector connected to the light source module and the cooler and supplying electrical signals thereto. | 03-26-2015 |
20150109802 | LED LIGHTING DEVICE - A light-emitting diode (LED) lighting device includes a cover member that is configured to expose a protruding portion of a connection terminal when pressure is applied to the cover member and to cover the protruding portion of the connection terminal when the pressure is removed. Thus, an electric and/or mechanical safety problem caused by the connection terminal that is exposed to the outside may be reduced. | 04-23-2015 |
Han Byul Kang, Seoul KR
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20140110743 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, and an electrode on at least one of the first conductive semiconductor layers or the second semiconductor layer. The electrode includes an adhesive layer on the light emitting structure, a barrier layer on the adhesive layer, and a bonding layer on the barrier layer. The barrier layer includes a plurality of grain boundaries, and the grain boundaries include interstitial elements. | 04-24-2014 |
Han Byul Kim, Suwon KR
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20130154420 | SPINDLE MOTOR - There is provided a spindle motor, including: a hub rotating together with a shaft; a sleeve supporting rotation of the shaft via oil; and a pumping part formed in at least one of the sleeve and the hub to pump the oil leaked outside of an interface of the oil in a normal state in a direction toward the interface of the oil in the normal state, wherein a portion of the pumping part may contact the oil in the normal state and the remainder of the pumping part does not contact the oil in the normal state. | 06-20-2013 |
20130193791 | BEARING ASSEMBLY AND SPINDLE MOTOR INCLUDING THE SAME - There is provided a bearing assembly including: a sleeve supporting a shaft via oil; a sleeve supporting a shaft via oil; a sleeve housing surrounding the sleeve to prevent leakage of the oil; and at least one circulation part formed such that upper and lower surfaces of at least one of the sleeve and the sleeve housing are in communication with each other, wherein at least one of an outer peripheral surface of the sleeve and an inner peripheral surface of the sleeve housing has a maximum radius of curvature at a portion adjacent to the circulation part. | 08-01-2013 |
Han Byul Kim, Suwon-Si KR
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20150214792 | SPINDLE MOTOR AND RECORDING DISK DRIVING DEVICE INCLUDING THE SAME - There is provided a spindle motor including: a base member including an installation portion; and a stator core fixed to the installation portion, wherein the installation portion has a facing surface disposed so as to face a lower surface of a coreback of the stator core, and at least one of the facing surface and the lower surface of the coreback has a protrusion part formed thereon. | 07-30-2015 |
Han Byul Kim, Incheon KR
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20120260799 | APPARATUS AND METHOD FOR RECOVERY OF SULFUR HEXAFLUORIDE - An apparatus and a method for recovery of sulfur hexafluoride is provided. Sulfur hexafluoride (SF | 10-18-2012 |
Han Byul Kim, Yongin-Si KR
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20130101689 | COMPOSITION CONTAINING PAPER MULBERRY EXTRACTS - The present invention relates to a composition containing a paper mulberry extract, and more particularly to a composition containing, as an active ingredient, a paper mulberry extract which has effects on enhancement of skin moisturization, inhibition of skin aging, alleviation of inflammation, antibacterial activity, pore size reduction, sebum control, skin complexion improvement, decomposition of subcutaneous fat, stimulation of melanin synthesis, and gray hair prevention. | 04-25-2013 |
20140038220 | METHOD FOR SCREENING INHIBITORY SUBSTANCES TO INFLAMMATORY SKIN-AGING - Disclosed is a method for screening a substance inhibiting inflammatory skin aging, comprising: treating an immune cell with an inflammatory stimulant; treating a skin cell with a candidate substance; treating the skin cell treated with the candidate substance, with the immune cell treated with the inflammatory stimulant; and measuring the concentration of matrix metalloproteinase-1 (MMP-1) in the skin cell treated with the immune cell. | 02-06-2014 |
20140356468 | COMPOSITION CONTAINING PAPER MULBERRY EXTRACTS - Disclosed is a use of a composition containing a paper mulberry extract, and more particularly to a use of a composition containing, as an active ingredient, a paper mulberry extract in enhancement of skin moisturization, inhibition of skin aging, alleviation of inflammation, antibacterial activity, pore size reduction, sebum control, skin complexion improvement, decomposition of subcutaneous fat, stimulation of melanin synthesis, and gray hair prevention. | 12-04-2014 |
20140357593 | TOPICAL COMPOSITION CONTAINING THEANINE DERIVATIVES FOR USE ON SKIN - The present invention relates to a topical composition for use on skin containing theanine derivatives as active components and, more particularly, to a topical composition for use on skin having anti-aging, skin wrinkle repair, skin barrier enhancement, skin immunity enhancement, skin moisturizing, and atopy alleviation effects by containing theanine derivatives as active components. | 12-04-2014 |
Han-Byul Kim, Seoul KR
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20110003568 | APPARATUS AND METHOD FOR SEARCHING RADIO CHANNEL IN A PORTABLE TERMINAL - An apparatus and method for searching for an improved radio broadcast in a portable terminal are provided. The apparatus includes a radio function performance unit. If an input for a radio broadcast channel search is detected while listening to a radio broadcast, the radio function performance unit changes from an original previously listened radio broadcast to a radio broadcast corresponding to the detected input. If the input for the radio broadcast channel search is released, the radio broadcast channel is restored to the original previously listened radio broadcast channel. | 01-06-2011 |
20120299418 | Bearing assembly and motor including the same - There is provided a bearing assembly and a motor including the same, bearing assembly including: a shaft including a first magnet provided thereon; a sleeve including a second magnet provided therein and disposed to face the first magnet so as to support the shaft; and a damping part disposed at a position at which the first and second magnets have maximum magnetic flux density in order to damp vibrations of the first and second magnets. | 11-29-2012 |
20130113315 | BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME - There is provided a bearing assembly including: a sleeve supporting a shaft; a base cover coupled to the sleeve by press-fitting and closing a lower portion of the sleeve; and at least one deformation prevention part formed to be depressed from an outer peripheral surface of the base cover in an inner diameter direction and preventing deformation of the base cover when the base cover is press-fitted into the sleeve. | 05-09-2013 |
Han-Byul Lim, Daejeon KR
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20150248865 | DISPLAY APPARATUS - A display apparatus includes a display panel comprising a plurality of data lines and a plurality of gate lines crossing the plurality of data lines, and a memory configured to store a plurality of gamma voltage data respectively corresponding to a plurality of partial areas of the display panel, the plurality of gamma voltage data for compensating a gamma difference between the partial areas of the display panel. The display apparatus further includes a timing controller configured to read, from the memory, the plurality of gamma voltage data respectively corresponding to the plurality of partial areas, and a plurality of data driver circuits configured to generate, based on the plurality of gamma voltage data, a plurality of grayscale voltages to be applied to the plurality of data lines in the plurality of partial areas. | 09-03-2015 |
Han-Byul Seo, Anyang KR
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20120002598 | METHOD AND APPARATUS FOR TRANSMITTING DATA ON RELAY COMMUNICATION SYSTEM - A data transmission method and apparatus using a multi-point cooperative transmission for a backhaul link transmission of a relay communication system. A data transmission method of a base station in a radio relay communication system include: obtaining, by a first BS, first radio resource information scheduled by a neighbor BS with respect to a first relay node (RN) located within the coverage of the first BS; when the first BS has data to be transmitted to the first RN, scheduling the data of the first BS on first radio resource allocated by the neighbor BS; and transmitting, by the first BS, the data of the first BS on the first BS, wherein the first RN is located within an overlapping cell coverage between the first BS and the neighbor BS. Thus, backhaul link transmission efficiency between the BS and the RN in the relay communication system can be improved and an inter-cell interference with respect to a backhaul link can be reduced. | 01-05-2012 |
20120140699 | SCHEDULING METHOD AND APPARATUS IN A RELAY COMMUNICATION SYSTEM - Disclosed are a packet scheduling method and apparatus in a relay network. A scheduling method of a relay station in a relay communication system includes: receiving information regarding an amount of generated data to be transmitted to a user from a base station; estimating the size of a queue of the base station storing the data to be transmitted to the user based on the amount of generated data received from the base station; obtaining the size of a virtual queue in which overall data to be transmitted to a user with reference to the estimated size of the queue of the base station and the size of a queue of the relay station storing data to be transmitted to a user; performing scheduling to allocate resource based on the size of the virtual queue; and transmitting data to the user based on the scheduling results. | 06-07-2012 |
20120189037 | RELAY AND DATA RELAY METHOD - Disclosed is a relay. The relay includes: a reception unit configured to receive signals from a transmitter; a processor configured to estimate a channel with respect to the transmitter based on a pilot signal of the transmitter among receiving signals, remove the pilot signal from among the received signals, amplify the signals without the pilot signal according to the estimated channel, and insert a pilot signal of the relay into the amplified signals; and a transmitter transmitting the signals including the pilot signal of the relay under the control of the processor. | 07-26-2012 |
20130272188 | METHOD FOR ALLOCATING REFERENCE SIGNALS OF A BACKHAUL LINK IN A RELAY COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA USING THE SAME - The present invention relates to a method and to an apparatus for transmitting/receiving data in a relay communication system. The method comprises the steps of: setting, as a guard band, the first predetermined number of symbol transmission slots of a data transmission period in a subframe resource element of a downlink channel constituted by a control signal transmission period to which a control signal is allocated and the data transmission period to which downlink data is allocated; allocating reference signals to symbols of the data transmission period; puncturing the symbols corresponding to the guard band from among the symbols to which said reference signals are allocated; and transmitting signals to which said reference signals are allocated. | 10-17-2013 |
20130336195 | METHOD AND APPARATUS FOR TRANSMITTING SIGNAL VIA RELAY BACKHAUL LINK - A method and apparatus for transmitting a signal to a relay at a Base Station (BS) in a wireless communication system are disclosed. The method includes mapping a Reference Signal (RS) to a subframe having two slots, and transmitting the subframe to the relay. Each of the slots includes a plurality of consecutive resource elements over which the RS can be spread and the plurality of consecutive resource elements are overlapped with a last Orthogonal Frequency Division Multiplexing (OFDM) symbol of the slot. If a last OFDM symbol of the subframe is not available to the relay, the RS is transmitted only in a first slot of the subframe. | 12-19-2013 |
20150201403 | METHOD FOR ALLOCATING BACKHAUL LINK RESOURCES IN RELAY COMMUNICATION SYSTEM, AND METHOD & APPARATUS FOR TRANSMITTING & RECEIVING DATA USING SAME - A method and a base station are described for transmitting a downlink signal in a wireless communication system. A configuration of orthogonal frequency division multiplexing (OFDM) symbols for a first partition of a subframe are transmitted through high layer signaling. A relay-physical downlink control channel (R-PDCCH) contained in the first partition of the subframe is transmitted. If the R-PDCCH contains a downlink assignment, the first partition of the subframe is configured to be not used for a physical downlink shared channel (PDSCH) transmission. | 07-16-2015 |
Han-Byul Seo, Seoul KR
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20090196273 | Apparatus and method for transmitting data in wireless communication system - An apparatus and a method for a random access scheme for multi-channel in a wireless communication system are provided. The method for performing the random access scheme for the multi-channel in the wireless communication system includes randomly generating a backoff counter value to transmit data; adjusting the backoff counter value by taking into account status of a plurality of idle subcarrier sets per backoff slot; when the backoff counter value becomes zero, selecting one or more subcarrier sets to carry the data from the idle subcarrier sets; and transmitting the data through the selected one or more subcarrier sets. The data collision probability between the terminals can be lowered, the channel utility can be enhanced, the transfer rate in the single-channel random access scheme can be raised, and the consumption of the radio resource can be reduced without using signals for the band request and allocation. | 08-06-2009 |
Han-Byul Seo, Gwanak-Gu KR
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20090241002 | Method and apparatus for selecting retransmission mode in a mimo communication system - A method and apparatus for selecting a retransmission mode in a MIMO communication system are provided wherein a receiver receives m initial transmission streams from a transmitter, m being an integer of 2 or larger, channel-decodes the m initial transmission streams and checking errors in the m channel-decoded streams, selects, if at least two channel-decoded streams have errors among the m channel-decoded streams, a retransmission mode to be used for the at least two streams having errors in the transmitter, and transmits information including the selected retransmission mode to the transmitter. | 09-24-2009 |